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中文名称 英文名称 CAS号 化学式
4-噻唑丙醛 3-thiazol-4-ylpropionaldehyde 878001-07-1 C6H7NOS
4-噻吩-2-基-1,2,5-噻二唑-3-胺 3-amino-4-(α-thienyl)-1,2,5-thiadiazole 88089-51-4 C6H5N3S2
4-噻吩-2-四氢吡喃-4-羧酸 4-(2-thienyl)tetrahydropyran-4-carboxylic acid 880166-18-7 C10H12O3S
4-噁唑羧酸,4,5-二氢-4-甲基-5-羰基-2-苯基-,乙基酯 4-methyl-5-oxo-2-phenyl-4,5-dihydrooxazole-4-carboxylic acid ethyl ester 886466-22-4 C13H13NO4
4-噁唑羧酸,4,5-二氢-4-甲基-5-羰基-2-苯基-,2-甲基丙基酯 4-methyl-5-oxo-2-phenyl-4,5-dihydrooxazole-4-carboxylic acid (2-methylpropyl) ester 886466-26-8 C15H17NO4
4-噁唑羧酸,4,5-二氢-2-(4-甲氧苯基)-4-甲基-5-羰基-,乙基酯 4-methyl-5-oxo-2-(4-methoxyphenyl)-4,5-dihydrooxazole-4-carboxylic acid ethyl ester 886466-32-6 C14H15NO5
4-噁唑烷羧酸,5-甲基-2-羰基-,甲基酯,(4R,5S)-rel- 9H-Pyrido(3,4-b)indole-9-ethanamine, 1,2,3,4-tetrahydro-N,N,3-trimethyl- 84298-41-9 C16H23N3
4-嘧啶羧酸,2-氯-6-(三氟甲基)- Iminocyclophosphamide 84489-09-8 C7H13Cl2N2O2P
4-嘧啶甲酸钠盐 sodium pyrimidine-4-carboxylate 819850-18-5 C5H3N2O2*Na
4-嘧啶甲酰胺 4-Aminobenzo(a)pyrene 82507-21-9 C20H13N
4-嘧啶甲腈,2-苯基- Glycotriosyl glutamine 83235-86-3 C23H40N2O18
4-嘧啶基-5-苯甲酸乙酯 4-(pyrimidin-5-yl)benzoic acid ethyl ester 82525-18-6 C13H12N2O2
4-嘧啶基-2-苯甲酰胺 4-pyrimidin-2-ylbenzylamine 885466-44-4 C11H11N3
4-嘧啶-2-基哌嗪-1-甲醛 1-formyl-4-(2-pyrimidyl)piperazine 88268-16-0 C9H12N4O
4-喹啉羧酸,2-(1-甲基乙基)- (3S,5R)-5-((R)-2-((1R,3αS,7αR,E)-4-((Z)-2-((3S,5R)-3,5-dihydroxy-2-methylenecyclohexylidene)ethylidene)-7α-methyloctahydro-1H-inden-1-yl)propyl)-3-hydroxy-3-methyldihydrofuran-2(3H)-one 87680-15-7 C27H40O5
4-喹啉甲酸 6-fluoro-7-chloro-1-methylamino-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid 88569-39-5 C11H8ClFN2O3
4-喹啉-8-氧基苯甲酸 4-[(Quinolin-8-yl)oxy]benzoic acid 866082-42-0 C16H11NO3
4-喹啉-8-氧基苯甲腈 8-(4-cyanophenoxy)quinoline 860004-36-0 C16H10N2O
4-喹唑啉基硒酸钠 Sodium 4-quinazolinyl selenate 87356-40-9 C8H5N2Se*Na
4-哌嗪基苯并噻吩盐酸盐 1-(benzo[b]thiophen-4-yl)piperazine 846038-18-4 C12H14N2S
4-哌嗪-1-基-呋喃并吡啶 4-(1-piperazinyl)furo<3,2-c>pyridine 81078-84-4 C11H13N3O
4-哌啶-4-甲基吡啶 4-(piperidin-4-ylmethyl)pyridine 899356-95-7 C11H16N2
4-哌啶-4-基喹啉-1-氧化物 4-Piperidin-4-YL-quinoline 1-oxide 885274-79-3 C14H16N2O
4-哌啶-4-基-苯甲酸 Tonostan 8060-62-6 C19H25N5O4
4-哌啶(2-噻吩)甲酮 4-[oxo(thien-2-yl)methyl]piperidine 86542-98-5 C10H13NOS
4-咪唑烷羧酸,3-[(2S)-2-[[(1S)-1-羧基-3-苯基丙基]氨基]-1-羰基丙基]-1-甲基-2-羰基-,(4S)- 3-Chlorodihydro-3,5-dimethyl-5-phenylfuran-2(3H)-one 89630-70-6 C12H13ClO2
4-咪唑-1-基-5,5-二甲基呋喃-2-亚胺 1-(2-imino-5,5-dimethyl-2,5-dihydro-4-furyl)imidazole 86790-59-2 C9H11N3O
4-咪唑-1-基-4-苯基-丁-3-烯-2-酮 4-imidazol-1-yl-4-phenyl-but-3-en-2-one 85143-86-8 C13H12N2O
4-呋喃-2-基-3-甲基-丁-3-烯-2-酮 2-Furfuryliden-butanon-(3) 81540-27-4 C9H10O2
4-吡啶胺,3-溴-N-甲基- 3-(Glutathion-S-yl)-N,N'-diacetylbenzidine 89014-16-4 C26H31N5O8S
4-吡啶甲醛 pyridine-4-carbaldehyde 872-85-5 C6H5NO
4-吡啶甲亚胺酸肼 (Z)-N-aminopyridine-4-carboximidamide 89830-71-7 C6H8N4
4-吡啶基甲基膦酸 (4-Pyridylmethyl)phosphonic acid 80241-43-6 C6H8NO3P
4-吡啶基-4-丁醛 4-(4-pyridyl)butanenitrile 84200-09-9 C9H10N2
4-吡啶基-4-丁酸乙酯 4-Pyridinebutanimidic acid ethyl ester 887579-33-1 C11H16N2O
4-吡啶基-4-丁脒 4-Pyridinebutanimidamide 887577-32-4 C9H13N3
4-吡啶基-3-丁酸乙酯 3-Pyridinebutanimidic acid ethyl ester 887579-26-2 C11H16N2O
4-吡啶基-2-丁咪酸乙酯 2-Pyridinebutanimidic acid ethyl ester 887579-19-3 C11H16N2O
4-吡啶丙腈 3-(pyridin-4-yl)propanenitrile 84200-06-6 C8H8N2
4-吡啶丙胺单盐酸盐 4-Pyridinepropanamine monohydrochloride 84359-20-6 C8H13ClN2
4-吡啶-4-基吡啶-2-羧酸 4-(pyridin-4-yl)pyridine-2-carboxylic acid 872468-96-7 C11H8N2O2
4-吡啶-3-基苯胺 4-pyridin-3-ylaniline 82261-42-5 C11H10N2
4-吡啶-3-基-4,5,6,7-四氢-3H-咪唑并[4,5-c]吡啶 4-(3-pyridyl)spinaceamine 876708-23-5 C11H12N4
4-吡咯烷-1-戊酸 4-pyrrolidin-1-yl-pentanoic acid 889940-05-0 C9H17NO2
4-吡咯烷-1-基苯磺酸 4-(1-pyrrolidyl)benzenesulfonic acid 853789-34-1 C10H13NO3S
4-吗啉甲酰胺-N-(2-氨基乙基)盐酸盐 2-(morpholine-4-carboxamido)ethanamino hydrochloride 88017-03-2 C7H15N3O2*ClH
4-吗啉甲基苯甲醛 4-(morpholinomethyl)benzaldehyde 82413-63-6 C12H15NO2
4-吗啉戊腈 3-(morpholin-4-yl)-pentanenitrile 84145-72-2 C9H16N2O
4-吗啉基苯基乙二醛 4-Morpholinophenylglyoxal hydrate 852633-82-0 C12H15NO4
4-吗啉基(4-苯基-4-哌啶基)甲酮 4-(4-Phenylpiperidin-4-ylcarbonyl)morpholine hydrochloride 83929-37-7 C16H22N2O2*ClH