| 1 | (2,3-二氢-2-硫酮-3-苯并恶唑)膦酸二苯酯 | (2,3-Dihydro-2-thioxo-3-benzoxazolyl)phosphonic Acid Diphenyl Ester | 111160-56-6 | 缩合剂- | |
| 2 | 正丁基磷酸酐（50%碳酸二乙酯溶液） | T4P 50%（wt%）solution in diethyl carbonate | 163755-62-2 | 缩合剂- | |
| 3 | 1,1'-乙二酰基二咪唑 | 1,1'-Oxalyldiimidazole | 18637-83-7 | 缩合剂- | |
| 4 | O-(苯并三氮唑-1-基)-N,N,N',N'-双(五亚甲基)脲六氟磷酸盐 HBPIPU | O-(Benzotriazol-1-yl)-N,N,N',N'-bis(pentamethylene)uronium Hexafluorophosphate | 206752-41-2 | 缩合剂- | |
| 5 | 1,1'-羰基二(1,2,4-三唑) | 1,1'-Carbonyldi(1,2,4-triazole) | 41864-22-6 | 缩合剂- | |
| 6 | 氰基磷酸二乙酯 | Diethyl Cyanophosphonate | 2942-58-7 | 缩合剂- | |
| 7 | 1-(三氟甲烷磺酰基)-1H-苯并三唑 | 1-(Trifluoromethanesulfonyl)-1H-benzotriazole | 117632-84-5 | 缩合剂- | |
| 8 | 1-(三氟甲磺酰基)咪唑 | 1-(Trifluoromethanesulfonyl)imidazole | 29540-81-6 | 缩合剂- | |