我公司最新推出聚乙二醇PEG及其衍生物系列产品。 聚乙二醇修饰剂、聚乙二醇活化、聚乙二醇衍生物、PEG药物修饰 高品质 低价格 | ||||
序号 | 产品名称 | 英文简称 | 英文名称 | CAS# |
1 | Y型聚乙二醇 | Y-shape PEG-OH | Y-shape poly(ethylene glycol) | |
2 | Y型聚乙二醇胺 | Y-shape PEG-NH2 | Y-shape poly(ethylene glycol) amine | |
3 | Y型聚乙二醇丙烯酸酯 | Y-shape PEG-AA | Y-shape poly(ethylene glycol) acrylate | |
4 | Y型聚乙二醇叠氮化物 | Y-shape PEG-N3 | Y-shape poly(ethylene glycol) azide | |
5 | Y型聚乙二醇琥珀酰亚胺碳酸酯 | Y-shape PEG-SC | Y-shape poly(ethylene glycol) succinimidyl ester | |
6 | Y型聚乙二醇甲基丙烯酸酯 | Y-shape PEG-MA | Y-shape poly(ethylene glycol) methacrylate | |
7 | Y型聚乙二醇硫醇 | Y-shape PEG-SH | Y-shape poly(ethylene glycol) thiol | |
8 | Y型聚乙二醇马来酰亚胺 | Y-shape PEG-MAL | Y-shape poly(ethylene glycol) maleimide | |
9 | Y型聚乙二醇醛 | Y-shape PEG-CHO | Y-shape poly(ethylene glycol) aldehyde | |
10 | Y型聚乙二醇炔 | Y-shape PEG-Alkyne | Y-shape poly(ethylene glycol) alkyne | |
11 | Y型聚乙二醇羧酸 | Y-shape PEG-COOH | Y-shape poly(ethylene glycol) carboxylic acid | |
12 | Y型聚乙二醇缩水甘油醚 | Y-shape PEG-EO | Y-shape poly(ethylene glycol) glycidyl ether | |
13 | Y型聚乙二醇异氰酸酯 | Y-shape PEG-NCO | Y-shape poly(ethylene glycol) isocyanate | |
14 | α,ω-二氨基聚乙二醇 | H2N-PEG-NH2 | α,ω-Diamino poly(ethylene glycol) | 24991-53-5 |
15 | α,ω-二丙烯酸酯基聚乙二醇 | AA-PEG-AA | α,ω-Diacryloyl poly(ethylene glycol) | 26570-48-9 |
16 | α,ω-二叠氮基聚乙二醇 | N3-PEG-N3 | α,ω-Diazido poly(ethylene glycol) | 82055-94-5 |
17 | α,ω-二琥珀酰亚胺碳酸酯基聚乙二醇 | SC-PEG-SC | α,ω-Disuccinimidyl poly(ethylene glycol) | |
18 | α,ω-二甲基丙烯酸酯基聚乙二醇 | MA-PEG-MA | α,ω-Dimethacryloyl poly(ethylene glycol) | 25852-47-5 |
19 | α,ω-二马来酰亚胺基聚乙二醇 | MAL-PEG-MAL | α,ω-Dimaleimidyl poly(ethylene glycol) | |
20 | α,ω-二巯基聚乙二醇 | HS-PEG-SH | α,ω-Dimercapto poly(ethylene glycol) | |
21 | α,ω-二醛基聚乙二醇 | OHC-PEG-GHO | α,ω-Diformyl poly(ethylene glycol) | |
22 | α,ω-二炔基聚乙二醇 | Alkyne-PEG-Alkyne | α,ω-Dialkynyl poly(ethylene glycol) | |
23 | α,ω-二羧基聚乙二醇 | HOOC-PEG-COOH | α,ω-Dicarboxyl poly(ethylene glycol) | 39927-08-7 |
24 | α,ω-二缩水甘油基聚乙二醇 | EO-PEG-EO | α,ω-Diglycidyl poly(ethylene glycol) | 72207-80-8 |
25 | α,ω-二异氰酸酯基聚乙二醇 | OCN-PEG-NCO | α,ω-Diisocyanato poly(ethylene glycol) | |
26 | α-氨基-ω-羟基聚乙二醇 | H2N-PEG-OH | α-Amino-ω-hydroxyl poly(ethylene glycol) | |
27 | α-氨基-ω-巯基聚乙二醇 | H2N-PEG-SH | ||
28 | α-氨基-ω-缩水甘油基聚乙二醇 | H2N-PEG-EO | α-Amino-ω-glycidyl poly(ethylene glycol) | |
29 | α-丙烯酸酯基-ω-氨基聚乙二醇 | AA-PEG-NH2 | α-Acryloyl-ω-amino poly(ethylene glycol) | |
30 | α-丙烯酸酯基-ω-叠氮基聚乙二醇 | AA-PEG-N3 | α-Acryloyl-ω-azido poly(ethylene glycol) | |
31 | α-丙烯酸酯基-ω-琥珀酰亚胺碳酸酯基聚乙二醇 | AA-PEG-SC | α-Acryloyl-ω-succinimidyl poly(ethylene glycol) | |
32 | α-丙烯酸酯基-ω-甲基丙烯酸酯基聚乙二醇 | AA-PEG-MA | α-Acryloyl-ω-methacryloyl poly(ethylene glycol) | |
33 | α-丙烯酸酯基-ω-马来酰亚胺基聚乙二醇 | AA-PEG-MAL | α-Acryloyl-ω-maleinidyl poly(ethylene glycol) | |
34 | α-丙烯酸酯基-ω-羟基聚乙二醇 | AA-PEG-OH | α-Acryloyl-ω-hydroxyl poly(ethylene glycol) | |
35 | α-丙烯酸酯基-ω-巯基聚乙二醇 | AA-PEG-SH | α-Acryloyl-ω-mercapto poly(ethylene glycol) | |
36 | α-丙烯酸酯基-ω-醛基聚乙二醇 | AA-PEG-CHO | α-Acryloyl-ω-formyl poly(ethylene glycol) | |
37 | α-丙烯酸酯基-ω-炔基聚乙二醇 | AA-PEG-Alkyne | α-Acryloyl-ω-alkynyl poly(ethylene glycol) | |
38 | α-丙烯酸酯基-ω-羧基聚乙二醇 | AA-PEG-COOH | α-Acryloyl-ω-carboxyl poly(ethylene glycol) | |
39 | α-丙烯酸酯基-ω-缩水甘油基聚乙二醇 | AA-PEG-EO | α-Acryloyl-ω-glycidyl poly(ethylene glycol) | |
40 | α-丙烯酸酯基-ω-异氰酸酯基聚乙二醇 | AA-PEG-NCO | α-Acryloyl-ω-isocyanato poly(ethylene glycol) | |
41 | α-叠氮基-ω-氨基聚乙二醇 | N3-PEG-NH2 | α-Azido-ω-amino poly(ethylene glycol) | |
42 | α-叠氮基-ω-琥珀酰亚胺碳酸酯基聚乙二醇 | N3-PEG-SC | α-Azido-ω-succinimidyl poly(ethylene glycol) | |
43 | α-叠氮基-ω-马来酰亚胺基聚乙二醇 | N3-PEG-MAL | α-Azido-ω-maleimidyl poly(ethylene glycol) | |
44 | α-叠氮基-ω-羟基聚乙二醇 | N3-PEG-OH | α-Azido-ω-hydroxyl poly(ethylene glycol) | |
45 | α-叠氮基-ω-巯基聚乙二醇 | N3-PEG-SH | α-Azido-ω-mercapto poly(ethylene glycol) | |
46 | α-叠氮基-ω-缩水甘油基聚乙二醇 | N3-PEG-EO | α-Azido-ω-glycidyl poly(ethylene glycol) | |
47 | α-叠氮基-ω-异腈酸酯基聚乙二醇 | N3-PEG-NCO | α-Azido-ω-isocyanato poly(ethylene glycol) | |
48 | α-琥珀酰亚胺碳酸酯基-ω-马来酰亚胺基聚乙二醇 | SC-PEG-MAL | α-Succinimidyl-ω-maleimidyl poly(ethylene glycol) | |
49 | α--琥珀酰亚胺碳酸酯基-ω-羟基聚乙二醇 | SC-PEG-OH | α-Succinimidyl-ω-hydroxyl poly(ethylene glycol) | |
50 | α-甲基丙烯酸酯基-ω-氨基聚乙二醇 | MA-PEG-NH2 | α-Methacryloyl-ω-amino poly(ethylene glycol) | |
51 | α-甲基丙烯酸酯基-ω-叠氮基聚乙二醇 | MA-PEG-N3 | α-Methacryloyl-ω-azido poly(ethylene glycol) | |
52 | α-甲基丙烯酸酯基-ω-琥珀酰亚胺碳酸酯基聚乙二醇 | MA-PEG-SC | α-Methacryloyl-ω-succinimidyl poly(ethylene glycol) | |
53 | α-甲基丙烯酸酯基-ω-马来酰亚胺基聚乙二醇 | MA-PEG-MAL | α-Methacryloyl-ω-maleimidyl poly(ethylene glycol) | |
54 | α-甲基丙烯酸酯基-ω-羟基聚乙二醇 | MA-PEG-OH | α-Methacryloyl-ω-hydroxy poly(ethylene glycol) | |
55 | α-甲基丙烯酸酯基-ω-巯基聚乙二醇 | MA-PEG-SH | α-Methacryloyl-ω-mercapto poly(ethylene glycol) | |
56 | α-甲基丙烯酸酯基-ω-缩水甘油基聚乙二醇 | MA-PEG-EO | α-Methacryloyl-ω-glycidyl poly(ethylene glycol) | |
57 | α-甲基丙烯酸酯基-ω-异腈酸酯基聚乙二醇 | MA-PEG-NCO | α-Methacryloyl-ω-isocyanato poly(ethylene glycol) | |
58 | α-马来酰亚胺基-ω-羟基聚乙二醇 | MAL-PEG-OH | α-Maleimidyl-ω-hydroxyl Poly(ethylene glycol) | |
59 | α-马来酰亚胺基-ω-异腈酸酯基聚乙二醇 | MAL-PEG-NCO | α-Maleimidyl-ω-isocyanato poly(ethylene glycol) | |
60 | α-醛基-ω-氨基聚乙二醇 | OHC-PEG-NH2 | α-Formyl-ω-amino poly(ethylene glycol) | |
61 | α-醛基-ω-叠氮基聚乙二醇 | OHC-PEG-N3 | α-Formyl-ω-azido poly(ethylene glycol) | |
62 | α-醛基-ω-琥珀酰亚胺碳酸酯基聚乙二醇 | OHC-PEG-SC | α-Formyl-ω-succinimidyl poly(ethylene glycol) | |
63 | α-醛基-ω-甲基丙烯酸酯基聚乙二醇 | OHC-PEG-MA | α-Formyl-ω-methacryloyl poly(ethylene glycol) | |
64 | α-醛基-ω-马来酰亚胺基聚乙二醇 | OHC-PEG-MAL | α-Formyl-ω-maleimidyl poly(ethylene glycol) | |
65 | α-醛基-ω-羟基聚乙二醇 | OHC-PEG-OH | α-Formyl-ω-hydroxyl poly(ethylene glycol) | |
66 | α-醛基-ω-巯基聚乙二醇 | OHC-PEG-SH | α-Formyl-ω-mercapto poly(ethylene glycol) | |
67 | α-醛基-ω-羧基聚乙二醇 | OHC-PEG-COOH | α-Formyl-ω-carboxyl poly(ethylene glycol) | |
68 | α-醛基-ω-缩水甘油基聚乙二醇 | OHC-PEG-EO | α-Formyl-ω-glycidyl poly(ethylene glycol) | |
69 | α-炔基-ω-琥珀酰亚胺碳酸酯基聚乙二醇 | Alkyne-PEG-SC | α-Alkynyl-ω-succinimidyl poly(ethylene glycol) | |
70 | α-炔基-ω-巯基聚乙二醇 | Alkyne-PEG-SH | α-Alkynyl-ω-mercapto poly(ethylene glycol) | |
71 | α-炔基-ω-醛基聚乙二醇 | Alkyne-PEG-CHO | α-Alkynyl-ω-formyl poly(ethylene glycol) | |
72 | α-炔基-ω-羧基聚乙二醇 | Alkyne-PEG-COOH | α-Alkynyl-ω-carboxyl poly(ethylene glycol) | |
73 | α-炔基-ω-缩水甘油基聚乙二醇 | Alkyne-PEG-EO | α-Alkynyl-ω-glycidyl poly(ethylene glycol) | |
74 | α-羧基-ω-氨基聚乙二醇 | HOOC-PEG-NH2 | α-Carboxyl-ω-amino poly(ethylene glycol) | |
75 | α-羧基-ω-丙烯酸酯基聚乙二醇 | HOOC-PEG-MA | α-Carboxyl-ω-methacryloyl poly(ethylene glycol) | |
76 | α-羧基-ω-叠氮基聚乙二醇 | HOOC-PEG-N3 | α-Carboxyl-ω-azido poly(ethylene glycol) | |
77 | α-羧基-ω-羟基聚乙二醇 | HOOC-PEG-OH | α-Carboxyl-ω-hydroxyl poly(ethylene glycol) | |
78 | α-羧基-ω-巯基聚乙二醇 | HOOC-PEG-SH | α-Carboxyl-ω-mercapto poly(ethylene glycol) | |
79 | α-羧基-ω-缩水甘油基聚乙二醇 | HOOC-PEG-EO | α-Carboxyl-ω-glycidyl poly(ethylene glycol) | |
80 | α-羧基-ω-异腈酸酯基聚乙二醇 | HOOC-PEG-NCO | α-Carboxyl-ω-isocyanato poly(ethylene glycol) | |
81 | 二硬脂酰磷脂酰乙醇胺-聚乙二醇-N-羟基琥珀酰亚胺 | DSPE-PEG-NHS | 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[N-succinimidyl succinate(polyethylene glycol)], ammonium salt | |
82 | 环状聚乙二醇 | Cyclic PEG | Cyclic poly(ethylene glycol) | |
83 | 环状聚乙二醇-g-氨基 | Cyclic PEG-NH2 | Cyclic poly(ethylene glycol) graft isocyanate | |
84 | 环状聚乙二醇-g-丙烯酸酯 | Cyclic PEG-AA | Cyclic poly(ethylene glycol) graft acrylate | |
85 | 环状聚乙二醇-g-叠氮基 | Cyclic PEG-N3 | Cyclic poly(ethylene glycol) graft azide | |
86 | 环状聚乙二醇-g-甲基丙烯酸酯 | Cyclic PEG-MA | Cyclic poly(ethylene glycol) graft methacrylate | |
87 | 环状聚乙二醇-g-羟基 | Cyclic PEG-OH | Cyclic poly(ethylene glycol) graft alcohol | |
88 | 环状聚乙二醇-g-醛基 | Cyclic PEG-CHO | Cyclic poly(ethylene glycol) graft aldehyde | |
89 | 环状聚乙二醇-g-炔基 | Cyclic PEG-Alkyne | Cyclic poly(ethylene glycol) graft alkyne | |
90 | 环状聚乙二醇-g-羧酸 | Cyclic PEG-COOH | Cyclic graft poly(ethylene glycol) graft carboxylic acid | |
91 | 环状聚乙二醇-g-缩水甘油醚 | Cyclic PEG-EO | Cyclic poly(ethylene glycol) graft glycidyl ether | |
92 | 环状聚乙二醇-g-异氰酸酯 | Cyclic PEG-NCO | Cyclic poly(ethylene glycol) graft isocyanate | |
93 | 甲氧基聚乙二醇 | mPEG-OH | Methoxypoly(ethylene glycol) | 9004-74-4 |
94 | 甲氧基聚乙二醇胺 | mPEG-NH2 | Methoxypoly(ethylene glycol) amine | 80506-64-5 |
95 | 甲氧基聚乙二醇丙酸 | mPEG-PA | Methoxypoly(ethylene glycol) carboxyethyl acrylate | |
96 | 甲氧基聚乙二醇丙烯酸酯 | mPEG-AA | Methoxypoly(ethylene glycol) acrylate | 32171-39-4 |
97 | 甲氧基聚乙二醇琥珀酰亚胺丙酸酯 | mPEG-SPA | Methoxypoly(ethylene glycol) succinimidyl propionate | |
98 | 甲氧基聚乙二醇琥珀酰亚胺碳酸酯 | mPEG-SC | Methoxypoly(ethylene glycol) succinimidyl ester | 92451-01-9 |
99 | 甲氧基聚乙二醇琥珀酰亚胺乙酸酯 | mPEG-SCM | Methoxypoly(ethylene glycol) succinimidyl carboxymethyl ester | |
100 | 甲氧基聚乙二醇甲基丙烯酸酯 | mPEG-MA | Methoxypoly(ethylene glycol) methacrylate | |
101 | 甲氧基聚乙二醇硫醇 | mPEG-SH | Methoxypoly(ethylene glycol)thiol | |
102 | 甲氧基聚乙二醇马来酰亚胺 | mPEG-MAL | Methoxypoly(ethylene glycol) maleimide | |
103 | 甲氧基聚乙二醇醛 | mPEG-CHO | Methoxypoly(ethylene glycol) aldehyde | |
104 | 甲氧基聚乙二醇羧酸 | mPEG-COOH | Methoxypoly(ethylene glycol) carboxyl acid | |
105 | 甲氧基聚乙二醇缩水甘油醚 | mPEG-EO | Methoxypoly(ethylene glycol) glycidyl ether | |
106 | 甲氧基聚乙二醇异氰酸酯 | mPEG-NCO | Methoxypoly(ethylene glycol) isocyanate | |
107 | 聚乙二醇 | HO-PEG-OH | Poly(ethylene glycol) | 25322-68-3 |
108 | 聚乙二醇-g-氨基 | PEG-g-NH2 | Poly(ethylene glycol) graft amine | |
109 | 聚乙二醇-g-丙烯酸酯 | PEG-g-AA | Poly(ethylene glycol) graft acrylate | |
110 | 聚乙二醇-g-叠氮基 | PEG-g-N3 | Poly(ethylene glycol) graft azide | |
111 | 聚乙二醇-g-甲基丙烯酸酯 | PEG-g-MA | Poly(ethylene glycol) graft methacrylate | |
112 | 聚乙二醇-g-硫醇 | PEG-g-SH | Poly(ethylene glycol) graft thiol | |
113 | 聚乙二醇-g-马来酰亚胺 | PEG-g-MAL | Poly(ethylene glycol) graft maleimide | |
114 | 聚乙二醇-g-羟基 | PEG-g-OH | Poly(ethylene glycol) graft alcohol | |
115 | 聚乙二醇-g-醛基 | PEG-g-CHO | Poly(ethylene glycol) graft aldehyde | |
116 | 聚乙二醇-g-炔基 | PEG-g-Alkyne | Poly(ethylene glycol) graft alkyne | |
117 | 聚乙二醇-g-羧酸 | PEG-g-COOH | Poly(ethylene glycol) graft carboxylic acid | |
118 | 聚乙二醇-g-缩水甘油醚 | PEG-g-EO | Poly(ethylene glycol) graft glycidyl ether | |
119 | 聚乙二醇-g-异氰酸酯 | PEG-g-NCO | Poly(ethylene glycol) graft isocyanate | |
120 | 两臂聚乙二醇琥珀酰亚胺碳酸酯 | 2-arm PEG-NHS | 2-arm Methoxypoly(ethylene glycol) succinimidyl ester (Lysine) | |
121 | 两臂聚乙二醇羧酸(赖氨酸) | 2-arm PEG-COOH | 2-arm Methoxypoly(ethylene glycol) carboxylic acid (Lysine) | |
122 | 四臂聚乙二醇 | 4-arm PEG-OH | 4-arm Poly(ethylene glycol) | |
123 | 四臂聚乙二醇胺 | 4-arm PEG-NH2 | 4-arm Poly(ethylene glycol) amine | |
124 | 四臂聚乙二醇丙烯酸酯 | 4-arm PEG-AA | 4-Arm poly(ethylene glycol) acrylate | |
125 | 四臂聚乙二醇叠氮化物 | 4-arm PEG-N3 | 4-arm Poly(ethylene glycol) azide | |
126 | 四臂聚乙二醇琥珀酰亚胺碳酸酯 | 4-arm PEG-SC | 4-arm Poly(ethylene glycol) succinimidyl ester | |
127 | 四臂聚乙二醇甲基丙烯酸酯 | 4-arm PEG-MA | 4-Arm poly(ethylene glycol) methacrylate | |
128 | 四臂聚乙二醇硫醇 | 4-arm PEG-SH | 4-arm Poly(ethylene glycol) thiol | |
129 | 四臂聚乙二醇马来酰亚胺 | 4-arm PEG-MAL | 4-arm Poly(ethylene glycol) maleimide | |
130 | 四臂聚乙二醇醛 | 4-arm PEG-CHO | 4-arm Poly(ethylene glycol) aldehyde | |
131 | 四臂聚乙二醇炔 | 4-arm PEG-Alkyne | 4-arm Poly(ethylene glycol) alkyne | |
132 | 四臂聚乙二醇羧酸 | 4-arm PEG-COOH | 4-arm Poly(ethylene glycol) carboxylic acid | |
133 | 四臂聚乙二醇缩水甘油醚 | 4-arm PEG-EO | 4-arm Poly(ethylene glycol) glycidyl ether | |
134 | 四臂聚乙二醇异氰酸酯 | 4-arm PEG-NCO | 4-arm Poly(ethylene glycol) isocyanate | |
135 | 新型两臂聚乙二醇 | Novel 2-arm PEG-OH | Novel 2-arm methoxypoly(ethylene glycol) | |
136 | 新型两臂聚乙二醇胺 | Novel 2-arm PEG -NH2 | Novel 2-arm methoxypoly(ethylene glycol) amine | |
137 | 新型两臂聚乙二醇丙烯酸酯 | Novel 2-arm PEG -AA | Novel 2-arm methoxypoly(ethylene glycol) acrylate | |
138 | 新型两臂聚乙二醇叠氮化物 | Novel 2-arm PEG -N3 | Novel 2-arm methoxypoly(ethylene glycol) azide | |
139 | 新型两臂聚乙二醇琥珀酰亚胺碳酸酯 | Novel 2-arm PEG -SC | Novel 2-arm methoxypoly(ethylene glycol) succinimidyl ester | |
140 | 新型两臂聚乙二醇甲基丙烯酸酯 | Novel 2-arm PEG -MA | Novel 2-arm methoxypoly(ethylene glycol) methacrylate | |
141 | 新型两臂聚乙二醇硫醇 | Novel 2-arm PEG -SH | Novel 2-arm methoxypoly(ethylene glycol) thiol | |
142 | 新型两臂聚乙二醇马来酰亚胺 | Novel 2-arm PEG -MAL | Novel 2-arm methoxypoly(ethylene glycol) maleimide | |
143 | 新型两臂聚乙二醇醛 | Novel 2-arm PEG -CHO | Novel 2-arm methoxypoly(ethylene glycol) aldehyde | |
144 | 新型两臂聚乙二醇炔 | Novel 2-arm PEG -Alkyne | Novel 2-arm methoxypoly(ethylene glycol) alkyne | |
145 | 新型两臂聚乙二醇羧酸 | Novel 2-arm PEG-COOH | Novel 2-arm methoxypoly(ethylene glycol) carboxylic acid | |
146 | 新型两臂聚乙二醇缩水甘油醚 | Novel 2-arm PEG -EO | Novel 2-arm methoxypoly(ethylene glycol) glycidyl ether | |
147 | 新型两臂聚乙二醇异氰酸酯 | Novel 2-arm PEG -NCO | Novel 2-arm methoxypoly(ethylene glycol) isocyanate | |
148 | 支化聚乙二醇 | Branched PEG-OH | Branched poly(ethylene glycol) | |
149 | 支化聚乙二醇胺 | Branched PEG-NH2 | Branched poly(ethylene glycol) amine | |
150 | 支化聚乙二醇丙烯酸酯 | Branched PEG-AA | Branched poly(ethylene glycol) acrylate | |
151 | 支化聚乙二醇甲基丙烯酸酯 | Branched PEG-MA | Branched poly(ethylene glycol) methacrylate | |
152 | 支化聚乙二醇醛 | Branched PEG-CHO | Branched poly(ethylene glycol) aldehyde | |
153 | 支化聚乙二醇炔 | Branched PEG-Alkyne | Branched poly(ethylene glycol) alkyne | |
154 | 支化聚乙二醇羧酸 | Branched PEG-COOH | Branched poly(ethylene glycol) carboxylic acid | |
155 | 支化聚乙二醇缩水甘油醚 | Branched PEG-EO | Branched poly(ethylene glycol) glycidyl ether | |
156 | 支化聚乙二醇异氰酸酯 | Branched PEG-NCO | Branched poly(ethylene glycol) isocyanate |