| 1 | 67605-85-0 | N-[(3S)-四氢-2-氧代-3-呋喃基]丁酰胺 | | C8H13NO3
| 抗体-二抗;微生物代谢物 | |
| 2 | 27460-51-1 | AC-PRO-OME | AC-PRO-OME | C8H13NO3
| 胺基酸 | |
| 3 | 5096-50-4 | CROTANECINE | CROTANECINE | C8H13NO3
| | |
| 4 | | AKOS BC-2621 | AKOS BC-2621 | C8H13NO3
| | |
| 5 | 60010-74-4 | 广金钱草内酯 | desmodilactone | C8H13NO3
| | |
| 6 | 103833-72-3 | 左乙拉西坦酸 | Levetiracetam acid | C8H13NO3
| 医药原料;左乙拉西坦;杂质对照品;对照品-杂质对照品 | |
| 7 | 398489-26-4 | 1-BOC-3-氮杂环丁酮 | 1-Boc-3-azetidinone | C8H13NO3
| 杂环;杂环砌块;其它杂环;有机化学;四元杂环;化工原料;定制化学品;医药中间体;氨基酸衍生物;氨基酸及其衍生物 | |
| 8 | 88547-24-4 | (S)-2-乙酰氨基-4-甲基戊烷-4-烯酸 | AC-4,5-DEHYDRO-LEU-OH | C8H13NO3
| 氨基酸 | |
| 9 | | methyl N-acetylproline | methyl N-acetylproline | C8H13NO3
| | |
| 10 | | N,N-BUTYL MALEAMIC ACID | N,N-BUTYL MALEAMIC ACID | C8H13NO3
| | |
| 11 | 85153-83-9 | propyl 5-oxo-L-prolinate | propyl 5-oxo-L-prolinate | C8H13NO3
| | |
| 12 | 29976-53-2 | 1-乙氧羰基-4-哌啶酮 | N-Carbethoxy-4-piperidone | C8H13NO3
| 哌啶;中间体;化学产品;哌啶酮类;通用试剂;杂环砌块;医药中间体;小分子抑制剂;对照品-杂质对照品 | |
| 13 | 13144-62-2 | 2-(环己基氨基)-2-氧代乙酸 | N-CYCLOHEXYL-OXALAMIC ACID | C8H13NO3
| | |
| 14 | 886505-59-5 | 2-(高哌啶-1-基)-2-氧代-乙酸 | AZEPAN-1-YL-OXO-ACETIC ACID | C8H13NO3
| | |
| 15 | 16695-54-8 | N-乙酰丙酮吗啉 | 1-Morpholino-1,3-Butanedione | C8H13NO3
| 吗啉;药物杂质及中间体 | |
| 16 | 35048-56-7 | (2-氧代氮杂环庚烷-1-基)乙酸 | (2-OXOAZEPAN-1-YL)ACETIC ACID | C8H13NO3
| | |
| 17 | 359631-72-4 | 3-异丁基吗啉-2,5-二酮 | 3-Isobutylmorpholine-2,5-dione | C8H13NO3
| | |
| 18 | 87325-65-3 | 2-乙酰氨基-4-甲基戊-4-烯酸 | N-ACETYL-4,5-DEHYDRO-DL-LEUCINE | C8H13NO3
| 氨基酸衍生化合物 | |
| 19 | 128740-03-4 | 烯丙基(2-氧代乙基)氨基甲酸乙酯 | Ethyl Allyl(2-oxoethyl)carbamate | C8H13NO3
| | |
| 20 | 38486-53-2 | 3-丙烯酰胺-3-甲基丁酸 | 3-ACRYLAMIDO-3-METHYLBUTYRIC ACID | C8H13NO3
| | |
| 21 | 1496722-98-5 | 5-(氧杂己环-4-基)-1,3-噁唑烷-2-酮 | 5-(oxan-4-yl)-1,3-oxazolidin-2-one | C8H13NO3
| | |
| 22 | 3731-16-6 | 2-氧代-3-哌啶甲酸乙酯 | Ethyl 2-oxopiperidine-3-carboxylate | C8H13NO3
| 合成;有机化工原料;合成材料中间体 | |
| 23 | 25503-90-6 | 1-乙酰基-4-哌啶甲酸 | 1-Acetyl-4-piperidinecarboxylic acid | C8H13NO3
| 酸类;哌啶;中间体;哌啶系列;杂环砌块;通用试剂;化工原料;医药中间体;羧酸类衍生物;药物杂质及中间体 | 原料药 |
| 24 | 67118-31-4 | alpha-乙基-2-氧代-1-吡咯烷乙酸 | Ethyl-2-oxo-1-pyrrolidine acetic acid | C8H13NO3
| 杂质对照品 | |
| 25 | 1402232-58-9 | 1,9-dioxa-4-azaspiro[5.5]undecan-3-one | 1,9-dioxa-4-azaspiro[5.5]undecan-3-one | C8H13NO3
| | |
| 26 | 1140510-99-1 | 2-氧代氮杂环丁烷-1-羧酸叔丁酯 | tert-Butyl 2-oxoazetidine-1-carboxylate | C8H13NO3
| | |
| 27 | 77654-61-6 | 2-(2-甲基哌啶-1-基)-2-氧代乙酸 | (2-Methylpiperidin-1-yl)(oxo)acetic acid | C8H13NO3
| | |
| 28 | 5380-89-2 | 1-Amino-3-(furan-2-ylmethoxy)-propan-2-ol | 1-Amino-3-(furan-2-ylmethoxy)-propan-2-ol | C8H13NO3
| | |
| 29 | 102849-49-0 | (2S)-2-(2-氧代吡咯烷-1-基)丁酸 | (2S)-2-(2-Oxopyrrolidin-1-yl)butanoic acid | C8H13NO3
| 标准品;左乙拉西坦杂质 | |
| 30 | 1233211-05-6 | N-((四氢-2H-吡喃-2-基)氧基)丙烯酰胺 | N-((tetrahydro-2H-pyran-2-yl)oxy)acrylamide | C8H13NO3
| 化学试剂 | |
| 31 | 120219-17-2 | (2S,3S)-2-异氰酰基-3-甲基戊酸甲酯 | Methyl (2S,3S)-2-Isocyanato-3-Methylvalerate | C8H13NO3
| | |
| 32 | 13221-89-1 | 1-甲基-4-哌啶酮-3-羧酸甲酯 | Methyl 1-methyl-4-oxopiperidine-3-carboxylate | C8H13NO3
| 哌啶;氮杂环;定制化学品 | |
| 33 | 299920-47-1 | 1-异丙基-2-氧代吡咯烷-4-甲酸 | 1-Isopropyl-2-oxopyrrolidine-4-carboxylic Acid | C8H13NO3
| | |
| 34 | 336103-00-5 | (1S, 2R)-2-Carbamoyl-cyclohexanecarboxylic acid | (1S, 2R)-2-Carbamoyl-cyclohexanecarboxylic acid | C8H13NO3
| | |
| 35 | 23652-67-7 | 反式-3-(乙酰氨基)-2-巴豆酸乙酯 | 2-Butenoicacid,3-(acetylamino)-,ethylester,(2E)- | C8H13NO3
| | |
| 36 | 2446-08-4 | 5-oxo-3-propan-2-yl-pyrrolidine-2-carboxylic acid | 5-oxo-3-propan-2-yl-pyrrolidine-2-carboxylic acid | C8H13NO3
| | |
| 37 | 203186-56-5 | Methyl 2-acetyl-3-(dimethylamino)acrylate | methyl 2-(dimethylaminomethylidene)-3-oxobutanoate | C8H13NO3
| | |
| 38 | 712270-39-8 | 3-Piperidinecarboxylic acid, 1-acetyl-, (3R)- (9CI) | 3-Piperidinecarboxylic acid, 1-acetyl-, (3R)- (9CI) | C8H13NO3
| | |
| 39 | 66643-45-6 | 7-氧杂-3-氮杂双环[4.1.0]庚烷-3-甲酸乙酯 | ethyl 7-oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate | C8H13NO3
| | |
| 40 | 1429309-22-7 | ethyl 4-aMino-5-Methyl-2,5-dihydrofuran-3-carboxylate | ethyl 4-aMino-5-Methyl-2,5-dihydrofuran-3-carboxylate | C8H13NO3
| | |
| 41 | 39570-63-3 | (S)-(-)-2-异氰酰基-4-甲基戊酸甲酯 | (S)-(-)-2-Isocyanato-4-Methylvaleric Acid Methyl Ester | C8H13NO3
| | |
| 42 | 73193-55-2 | 2-甲基-3-氧代吡咯烷-1-甲酸乙酯 | 2-Methyl-3-oxo-1-Pyrrolidinecarboxylic acid ethyl ester | C8H13NO3
| | |
| 43 | 30932-85-5 | 1-甲基-2-氧吡咯烷-3-羧酸乙酯 | 1-METHYL-2-OXO-PYRROLIDINE-3-CARBOXYLIC ACID ETHYL ESTER | C8H13NO3
| | |
| 44 | 181205-63-0 | 2,3-Morpholinedione,4-methyl-5-(1-methylethyl)-,(S)-(9CI) | 2,3-Morpholinedione,4-methyl-5-(1-methylethyl)-,(S)-(9CI) | C8H13NO3
| | |
| 45 | 160169-49-3 | [1R-(1a,2,8aa)]-Hexahydro-1,2-dihydroxy-3(2H)-indolizinone | [1R-(1a,2,8aa)]-Hexahydro-1,2-dihydroxy-3(2H)-indolizinone | C8H13NO3
| | |
| 46 | 221292-05-3 | Propanamide, 2-methyl-N-[(3S)-tetrahydro-2-oxo-3-furanyl]- | Propanamide, 2-methyl-N-[(3S)-tetrahydro-2-oxo-3-furanyl]- | C8H13NO3
| | |
| 47 | 77130-93-9 | 2,2-二甲基-3-氧代吡咯啉-1-羧酸甲酯 | 2,2-diMethyl-3-oxo-1-Pyrrolidinecarboxylic acid Methyl ester | C8H13NO3
| | |
| 48 | 2185872-46-0 | Carbamic acid, N-(2-oxocyclopropyl)-, 1,1-dimethylethyl ester | Carbamic acid, N-(2-oxocyclopropyl)-, 1,1-dimethylethyl ester | C8H13NO3
| | |
| 49 | 125033-33-2 | 1-Oxa-5-azaspiro[2.4]heptane-5-carboxylic acid, ethyl ester | 1-Oxa-5-azaspiro[2.4]heptane-5-carboxylic acid, ethyl ester | C8H13NO3
| | |
| 50 | 177980-28-8 | 7-氧杂-2-氮杂双环[4.1.0]庚烷-2-羧酸乙酯 | 7-Oxa-2-azabicyclo[4.1.0]heptane-2-carboxylic acid, ethyl ester | C8H13NO3
| | |
| 51 | 150934-01-3 | 2,5-Morpholinedione,3-methyl-6-(1-methylethyl)-,(3R-trans)-(9CI) | 2,5-Morpholinedione,3-methyl-6-(1-methylethyl)-,(3R-trans)-(9CI) | C8H13NO3
| | |
| 52 | 121731-72-4 | Carbamic acid, (3-oxopropyl)-2-propenyl-, methyl ester (9CI) | Carbamic acid, (3-oxopropyl)-2-propenyl-, methyl ester (9CI) | C8H13NO3
| | |
| 53 | 188789-39-1 | 2-Oxa-3-azabicyclo[2.2.1]heptane-3-carboxylic acid, ethyl ester | 2-Oxa-3-azabicyclo[2.2.1]heptane-3-carboxylic acid, ethyl ester | C8H13NO3
| | |
| 54 | 247233-29-0 | 1-Pyrrolidinecarboxylic acid, 2,2-dimethyl-5-oxo-, methyl ester | 1-Pyrrolidinecarboxylic acid, 2,2-dimethyl-5-oxo-, methyl ester | C8H13NO3
| | |
| 55 | 355113-91-6 | 2-Azetidinone,3-(acetyloxy)-4-(1-methylethyl)-,(3R,4S)-rel-(+)-(9CI) | 2-Azetidinone,3-(acetyloxy)-4-(1-methylethyl)-,(3R,4S)-rel-(+)-(9CI) | C8H13NO3
| | |
| 56 | 80818-16-2 | | 2-Butenoic acid, 2-methyl-4-[(1-methylethyl)amino]-4-oxo-, (Z)- (9CI) | C8H13NO3
| | |
| 57 | 111054-55-8 | 1(2H)-Pyridinecarboxylic acid, 3,4-dihydro-2-hydroxy-, ethyl ester | 1(2H)-Pyridinecarboxylic acid, 3,4-dihydro-2-hydroxy-, ethyl ester | C8H13NO3
| | |
| 58 | 114523-69-2 | 1(2H)-Pyridinecarboxylic acid, 5,6-dihydro-2-methoxy-, methyl ester | 1(2H)-Pyridinecarboxylic acid, 5,6-dihydro-2-methoxy-, methyl ester | C8H13NO3
| | |
| 59 | 144452-35-7 | 2-Azetidinecarboxylicacid,3-(1-methylethyl)-4-oxo-,methylester,cis-(9CI) | 2-Azetidinecarboxylicacid,3-(1-methylethyl)-4-oxo-,methylester,cis-(9CI) | C8H13NO3
| | |
| 60 | 147008-05-7 | 3-Isoxazolecarboxylicacid,4,5-dihydro-5-(1-methylethyl)-,methylester(9CI) | 3-Isoxazolecarboxylicacid,4,5-dihydro-5-(1-methylethyl)-,methylester(9CI) | C8H13NO3
| | |
| 61 | 198835-16-4 | 2-Azabicyclo[2.2.1]heptane-2-carboxylic acid, 6-hydroxy-, methyl ester | 2-Azabicyclo[2.2.1]heptane-2-carboxylic acid, 6-hydroxy-, methyl ester | C8H13NO3
| | |
| 62 | 150646-40-5 | Cyclopropanecarboxylic acid, 1-(formylamino)-2-(1-methylethyl)-, cis- (9CI) | Cyclopropanecarboxylic acid, 1-(formylamino)-2-(1-methylethyl)-, cis- (9CI) | C8H13NO3
| | |
| 63 | 129242-70-2 | 1H-Pyrrole-1-carboxylic acid, 2,3-dihydro-4-methoxy-, ethyl ester (9CI) | 1H-Pyrrole-1-carboxylic acid, 2,3-dihydro-4-methoxy-, ethyl ester (9CI) | C8H13NO3
| | |
| 64 | 128259-48-3 | 2,5-二氢-3-(羟基甲基)-1H-吡咯-1-羧酸乙酯 | 1H-Pyrrole-1-carboxylic acid, 2,5-dihydro-3-(hydroxymethyl)-, ethyl ester | C8H13NO3
| | |
| 65 | 1402265-33-1 | Carbamic acid, N-(2-hydroxyethyl)-,
(2-methyl-2-cyclopropen-1-yl)methyl ester | Carbamic acid, N-(2-hydroxyethyl)-,
(2-methyl-2-cyclopropen-1-yl)methyl ester | C8H13NO3
| | |
| 66 | 115996-13-9 | 2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2R-(2alpha,3abeta,6abeta)]- (9CI) | 2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2R-(2alpha,3abeta,6abeta)]- (9CI) | C8H13NO3
| | |
| 67 | 2177263-44-2 | (3AR,6aR)-rel-Tetrahydro-1H-furo[3,4-c]pyrrole-3a(3H)-carboxylic acid methyl ester | (3AR,6aR)-rel-Tetrahydro-1H-furo[3,4-c]pyrrole-3a(3H)-carboxylic acid methyl ester | C8H13NO3
| | |
| 68 | 116050-86-3 | 2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2S-(2alpha,3aalpha,6aalpha)]- (9CI) | 2H-Furo[3,2-b]pyrrol-2-ol, 4-acetylhexahydro-, [2S-(2alpha,3aalpha,6aalpha)]- (9CI) | C8H13NO3
| | |
| 69 | 339034-76-3 | 4-Oxazolecarboxylicacid,4,5-dihydro-5-(1-methylethyl)-,methylester,(4R,5S)-rel-(9CI) | 4-Oxazolecarboxylicacid,4,5-dihydro-5-(1-methylethyl)-,methylester,(4R,5S)-rel-(9CI) | C8H13NO3
| | |
| 70 | 1360057-71-1 | 2H-Cyclopent[d]isoxazole-3-carboxylic acid, hexahydro-, methyl ester, (3R,3aS,6aS)-rel- | 2H-Cyclopent[d]isoxazole-3-carboxylic acid, hexahydro-, methyl ester, (3R,3aS,6aS)-rel- | C8H13NO3
| | |
| 71 | 176966-37-3 | 3-Oxa-7-azabicyclo[4.1.0]heptane, 7-acetyl-4-methoxy-, [1R-(1alpha,4beta,6alpha)]- (9CI) | 3-Oxa-7-azabicyclo[4.1.0]heptane, 7-acetyl-4-methoxy-, [1R-(1alpha,4beta,6alpha)]- (9CI) | C8H13NO3
| | |
| 72 | 197715-54-1 | 3-Oxa-7-azabicyclo[4.1.0]heptane, 7-acetyl-4-methoxy-, [1R-(1alpha,4alpha,6alpha)]- (9CI) | 3-Oxa-7-azabicyclo[4.1.0]heptane, 7-acetyl-4-methoxy-, [1R-(1alpha,4alpha,6alpha)]- (9CI) | C8H13NO3
| | |
| 73 | 110590-15-3 | 2-Oxa-3-azabicyclo[2.2.2]octane-3-carboxylic acid, methyl ester, radical ion(1+) (9CI) | 2-Oxa-3-azabicyclo[2.2.2]octane-3-carboxylic acid, methyl ester, radical ion(1+) (9CI) | C8H13NO3
| | |
| 74 | 132751-49-6 | 1-Pyrrolidinecarboxylic acid, 3,3-dimethyl-4-oxo-, methyl ester, radical ion(1+) (9CI) | 1-Pyrrolidinecarboxylic acid, 3,3-dimethyl-4-oxo-, methyl ester, radical ion(1+) (9CI) | C8H13NO3
| | |
| 75 | 156205-61-7 | Oxirenofindolizine-6,7-diol, octahydro-, 1aR-(1a.alpha.,6.beta.,6a.alpha.,7.alpha.,7a.alpha.)- | Oxirenofindolizine-6,7-diol, octahydro-, 1aR-(1a.alpha.,6.beta.,6a.alpha.,7.alpha.,7a.alpha.)- | C8H13NO3
| | |