| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 4-(2-甲基-2-丙基)环己基亚氨代甲酸酯 | 4-tert-Butylcyclohexyl methanimidate | 748713-84-0 | C11H21NO |
| 4-(2-甲基-2-丙基)1-(4-硝基苯基)N-[(苄氧基)羰基]-L-天冬氨酸 | (benzyloxycarbonyl)-L-aspartic acid β-tert-butyl-α-p-nitrophenyl ester | 17543-17-8 | C22H24N2O8 |
| 4-(2-甲基-1-丙基)-3-氧代-6-苯基己酸甲酯 | methyl 4-(2-methyl-1-propyl)-3-oxo-6-phenylhexanoate | 104620-22-6 | C17H24O3 |
| 4-(2-环氧乙烷基甲氧基)丁基丙烯酸酯 | 4-hydroxybutyl acrylate glycidyl ether | 119692-59-0 | C10H16O4 |
| 4-(2-氰基乙基氨基)丁酸 | 4-<2-Cyanethylamino>-buttersaeure | 85839-16-3 | C7H12N2O2 |
| 4-(2-氰基乙基)-2-哌嗪甲酰胺 | 4-(2-Cyanoethyl)piperazine-2-carboxamide | 156833-96-4 | C8H14N4O |
| 4-(2-氯乙酰基)-3,4-二氢-1H-喹喔啉-2-酮 | 4-(2-chloroacetyl)-3,4-dihydroquinoxalin-2-(1H)-one | 436088-67-4 | C10H9ClN2O2 |
| 4-(2-氯-乙酰基)-哌嗪-2-酮 | 4-(2-chloroacetyl)-piperazin-2-one | 59701-84-7 | C6H9ClN2O2 |
| 4-(2-氯-乙酰基)-3,3-二甲基-哌嗪-2-酮 | 4-(2-chloroacetyl)-3,3-dimethylpiperazine-2-one | 626223-67-4 | C8H13ClN2O2 |
| 4-(2-氯-乙基)-吗啉-2-酮 | 4-(2-chloro-ethyl)-morpholin-2-one | 86240-92-8 | C6H10ClNO2 |
| 4-(2-氨基苯甲酰基)-2-哌嗪酮 | 4-(2-Aminobenzoyl)-2-piperazinone | 671794-74-4 | C11H13N3O2 |
| 4-(2-氨基甲酰基-1-吡咯烷)-4-氧丁酸 | 4-(2-Carbamoyl-pyrrolidin-1-yl)-4-oxo-butyric acid | 436811-12-0 | C9H14N2O4 |
| 4-(2-氨基乙基)-哌嗪-2-酮 | 4-(2-aminoethyl)piperazin-2-one | 145625-71-4 | C6H13N3O |
| 4-(2-氨基乙基)-3-氧代哌啶-1-羧酸叔丁酯 | tert-butyl 4-(2-aminoethyl)-3-oxopiperazine-1-carboxylate | 234108-58-8 | C11H21N3O3 |
| 4-(2-氨基乙基)-1-羟基-2-磺基氧基-苯 | Dopamine 3-O-sulfate | 51317-41-0 | C8H11NO5S |
| 4-(2-氨基乙基)-1-哌嗪乙酸 | N-carboxymethyl-N'-(β-aminoethyl)piperazine | 87980-97-0 | C8H17N3O2 |
| 4-(2-氨基-2-羧基乙基硫代)-2-氨基丁酸 | S-(2-Amino-2-carboxyethyl)-D-homocysteine | 6899-07-6 | C7H14N2O4S |
| 4-(2-氨基-2-氧代乙基)-1-哌嗪甲酰胺 | 4-(2-Amino-2-oxoethyl)piperazine-1-carboxamide | 116882-76-9 | C7H14N4O2 |
| 4-(2-氧代环戊基)乙酸丁酯 | 2-(4'-Acetoxybutyl)cyclopentanon | 61114-32-7 | C11H18O3 |
| 4-(2-氟苯基)-6,8-二氢-1,3,8-三甲基吡唑并[3,4-e][1,4]二氮杂卓-7(1H)-酮单盐酸盐 | 4-(2-fluorophenyl)-1,3,8-trimethyl-6H-pyrazolo[3,4-e][1,4]diazepin-7-one;hydron;chloride | —— | C15H16ClFN4O |
| 4-(2-呋喃基)-3-氧代丁酸乙酯 | 4-(furan-2-yl)-3-oxobutanoic acid ethyl ester | 577776-75-1 | C10H12O4 |
| 4-(2-呋喃)-2,4-二氧代丁酸 | 4-(2-furyl)-2,4-dioxobutanoic acid | 105356-51-2 | C8H6O5 |
| 4-(2-吡啶)-1-哌嗪乙酸乙酯 | ethyl 2-[4-(2-pyridyl)piperazino]acetate | 86873-47-4 | C13H19N3O2 |
| 4-(2-叔丁氧羰氨基-3-苯丙氨基)-丁酸 | (S)-4-(2-(tert-butoxycarbonylamino)-3-phenyl-propanamido)butanoic acid | 112670-47-0 | C18H26N2O5 |
| 4-(2-二甲基氨基-乙基)-[1,4]二氮杂环庚烷-5-酮 | 4-(2-(dimethylamino)ethyl)-1,4-diazepan-5-one | 344779-07-3 | C9H19N3O |
| 4-(2-乙酰胺乙基)苯硼酸 | (4-(2-Acetamidoethyl)phenyl)boronic acid | 874459-75-3 | C10H14BNO3 |
| 4-(2-乙酰氨基基乙基)苯磺酰氯 | 4-(2-acetamidoethyl)benzenesulfonyl chloride | 35450-53-4 | C10H12ClNO3S |
| 4-(2-乙酰氨基基乙基)苯基乙酸酯 | Diacetyl-tyramin | 14383-56-3 | C12H15NO3 |
| 4-(2-乙酰氨基-3-羟基-3-氧代-丙基)硫基-2-氧代-丁酸 | N-acetyl-S-(3-oxo-3-carboxy-n-propyl)cysteine | 622368-00-7 | C9H13NO6S |
| 4-(2-乙酰基氨乙基)苯甲酸甲酯 | methyl 4-(2-acetamidoethyl)benzoate | 870703-69-8 | C12H15NO3 |
| 4-(2-(N-乙酰氨基)乙基)苯甲酸 | 4-(2-acetamidoethyl)benzoic acid | 7465-13-6 | C11H13NO3 |
| 4-(2-((叔丁氧羰基)氨基)乙基)硫代吗啉-3-羧酸甲酯1,1-二氧化物 | Methyl 4-[2-({[(1,1-dimethylethyl)oxy]carbonyl}amino)ethyl]-3-thiomorpholinecarboxylate 1,1-dioxide | 929047-24-5 | C13H24N2O6S |
| 4-(2-((6-溴己氧基)羰基)乙酰氧基)丁酸 | 4-(2-((6-bromohexyloxy)carbonyl)acetyloxy)butanoic acid | 1004992-76-0 | C13H21BrO6 |
| 4-(2,5-二甲基苯基)丁酸 | N-cyclopropylcyclopropanecarboxamide | 1453-50-5 | C7H11NO |
| 4-(2,5-二甲基噻吩-3-基)-4-氧代丁酸 | 2,5-dimethyl-γ-oxo-3-thiophenebutanoic acid | 6007-77-8 | C10H12O3S |
| 4-(2,5-二氧代四氢呋喃-3-基)-2-甲基-3,8-二氧杂双环[4.3.0]壬烷-7,9-二酮 | 6-(2,5-dioxooxolan-3-yl)-4-methyl-4,6,7,7a-tetrahydro-3aH-furo[3,4-c]pyran-1,3-dione | 26427-28-1 | C12H12O7 |
| 4-(2,5-二氧代-1-吡咯烷基)N-{[(2-甲基-2-丙基)氧基]羰基}-L-天冬氨酸 1-苄酯 | boc-Asp(Osu)-Obzl | 140171-25-1 | C20H24N2O8 |
| 4-(2,4-二甲氧基亚苄基)-5-氧代-2-苯噁唑烷 | 4-[1-(2,4-Dimethoxy-phenyl)-meth-(E)-ylidene]-2-phenyl-4H-oxazol-5-one | 118555-99-0 | C18H15NO4 |
| 4-(2,4-二氯亚苄基)-2-苯基-4H-恶唑-5-酮 | 4-(2,4-dichlorobenzylidene)-2-phenyl-1,3-oxazol-5-one | 57427-81-3 | C16H9Cl2NO2 |
| 4-(2,3-二氢苯并[1,4]二噁英-6-磺酰基氨基)-丁酸 | 4-(2,3-Dihydro-benzo[1,4]dioxine-6-sulfonylamino)-butyric acid | 300571-94-2 | C12H15NO6S |
| 4-(2,2-二乙氧羰基-丙基)苯基乙酸乙酯 | 2-(4-Ethoxycarbonylmethyl-benzyl)-2-methyl-malonic acid diethyl ester | 223123-63-5 | C19H26O6 |
| 4-(2,2-二乙氧羰基-丙基)苯基乙酸 | 4-(2,2-dicarboethoxypropyl)phenylacetic acid | 223123-57-7 | C17H22O6 |
| 4-(1H-吲哚-3-基甲基)-1,3-恶唑烷-2,5-二酮 | N-carboxy-DL-tryptophan anhydride | 34487-85-9 | C12H10N2O3 |
| 4-(1-芘基)丁酰-phe-oh | N-[4(1-pyrene)butyroyl]-L-phenylalanine | 199612-75-4 | C29H25NO3 |
| 4-(1-羰基-1,3-二氢-2H-异吲哚-2-基)-2-丙氧基苯磺酰氯化 | (1R,3R)-1-Amino-3-(carboxymethyl)cyclopentane-1-carboxylic acid | 194785-84-7 | C8H13NO4 |
| 4-(1-羟基戊烷-2-基氨基)丁烷-2-磺酸 | 4-[(DL)-1-hydroxy-2-pentyl]amino-2-butane sulfonic acid | 819849-82-6 | C9H21NO4S |
| 4-(1-羟基戊烷-2-基氨基)丁烷-1-磺酸 | 4-[(DL)-1-hydroxy-2-pentyl]amino-1-butanesulfonic acid | 906073-28-7 | C9H21NO4S |
| 4-(1-羟基-乙基)-5-甲氧基-哒嗪-3-羧酸酰胺 | 4-(1-Hydroxy-ethyl)-5-methoxy-pyridazine-3-carboxylic acid amide | 103150-51-2 | C8H11N3O3 |
| 4-(1-羟基-1-甲基-乙基)-2-苯基-4,5-二氢-噻唑-4-羧酸 | 4-(1-hydroxy-1-methyl-ethyl)-2-phenyl-4,5-dihydro-thiazole-4-carboxylic acid | 62175-40-0 | C13H15NO3S |
| 4-(1-甲基乙基)环己二烯-1-乙醇甲酸酯 | 4-(Isopropyl)cyclohexadiene-1-ethyl formate | 68683-20-5 | C12H18O2 |