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中文名称 英文名称 CAS号 化学式 结构式图片
—— 4-bromophenyl ethyl (2-phenylethynyl)phosphonate 1571900-32-7 C16H14BrO3P
4-bromophenyl ethyl (2-phenylethynyl)phosphonate
—— 4-{[4-ethoxy-6-(4-(N-(2-(pyrrolidin-1-yl)methyl-2-propyl)-carbamoyl)phenyl)-pyrido[3,2-d]pyrimidin-2-ylamino]-methyl}-benzenesulfonamide 1036736-36-3 C31H37N7O4S
4-{[4-ethoxy-6-(4-(N-(2-(pyrrolidin-1-yl)methyl-2-propyl)-carbamoyl)phenyl)-pyrido[3,2-d]pyrimidin-2-ylamino]-methyl}-benzenesulfonamide
—— 4-amino-7-cyclopentyl-5-(4-phenoxyphenyl)-N-(1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxamide 1253961-90-8 C27H25N7O2
4-amino-7-cyclopentyl-5-(4-phenoxyphenyl)-N-(1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxamide
—— (4R,5S)-2-(4-cyano-2-pyridyl)-4-(4-fluorophenyl)-4-(2-fluoro-4-pyridyl)-5-methyl-2-imidazoline 357927-44-7 C21H15F2N5
(4R,5S)-2-(4-cyano-2-pyridyl)-4-(4-fluorophenyl)-4-(2-fluoro-4-pyridyl)-5-methyl-2-imidazoline
—— 4-(6-Carbomethoxyhexyl)-5-(3-acetoxy-1-trans-octenyl)-thiazol 58907-11-2 C21H33NO4S
4-(6-Carbomethoxyhexyl)-5-(3-acetoxy-1-trans-octenyl)-thiazol
—— 4-(4-Chloro-benzyl)-2-methyl-6-phenyl-2H-pyridazin-3-one 139286-04-7 C18H15ClN2O
4-(4-Chloro-benzyl)-2-methyl-6-phenyl-2H-pyridazin-3-one
—— 4-(2-amino-ethoxy)-1-(4,6-dimethyl-pyrimidin-2-yl)-piperidine-4-carboxylic acid 1383575-51-6 C14H22N4O3
4-(2-amino-ethoxy)-1-(4,6-dimethyl-pyrimidin-2-yl)-piperidine-4-carboxylic acid
—— 4-(3,5-Dichlorophenyl)sulfanyl-3-(3-methylpiperazin-1-yl)sulfonylbenzonitrile 1253499-52-3 C18H17Cl2N3O2S2
4-(3,5-Dichlorophenyl)sulfanyl-3-(3-methylpiperazin-1-yl)sulfonylbenzonitrile
—— 4-[3-(2-methylcarbamoyl-ethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-piperidine-1-carboxylic acid tert-butyl ester 928632-93-3 C21H30N4O4
4-[3-(2-methylcarbamoyl-ethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-piperidine-1-carboxylic acid tert-butyl ester
—— 4-(5-Nitro-furan-2-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester 866123-50-4 C14H19N3O6
4-(5-Nitro-furan-2-carbonyl)-piperazine-1-carboxylic acid tert-butyl ester
—— 4-(2-methyl-quinolin-4-ylmethoxy)-N-[2,4,6-trioxo-5-(1-prop-2-ynyl-piperidin-4-yl)-hexahydro-pyrimidin-5-ylmethyl]-benzamide 554451-67-1 C31H31N5O5
4-(2-methyl-quinolin-4-ylmethoxy)-N-[2,4,6-trioxo-5-(1-prop-2-ynyl-piperidin-4-yl)-hexahydro-pyrimidin-5-ylmethyl]-benzamide
—— 4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-(2-(2-oxooxazolidin-3-yl)acetamido)-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid 1392312-10-5 C41H56N2O5
4-((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-(2-(2-oxooxazolidin-3-yl)acetamido)-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid
—— 4-(methoxycarbonylmethyl)-1-phenyl (1S,3R)-1-(1,1'-biphenyl-4-yl)-2-tert-butoxycarbonyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxamide 515157-22-9 C38H37N3O5
4-(methoxycarbonylmethyl)-1-phenyl (1S,3R)-1-(1,1'-biphenyl-4-yl)-2-tert-butoxycarbonyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxamide
—— 4'-fluoro-[1,1':2',1''-terphenyl]-4,4''-dicarbonitrile 1309446-40-9 C20H11FN2
4'-fluoro-[1,1':2',1''-terphenyl]-4,4''-dicarbonitrile
—— (4R,5R)-5-Allyl-4-hydroxy-5-hydroxymethyl-dihydro-furan-2-one 869210-34-4 C8H12O4
(4R,5R)-5-Allyl-4-hydroxy-5-hydroxymethyl-dihydro-furan-2-one
—— 4-(5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methyl-3-propionyl-1H-pyrrol-1-yl)benzenesulfonamide 1392286-08-6 C22H22N2O5S
4-(5-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-methyl-3-propionyl-1H-pyrrol-1-yl)benzenesulfonamide
—— 4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-((2-hydroxyethyl)(methyl)amino)ethylamino)methyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid 1392110-94-9 C42H64N2O3
4-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-((2-((2-hydroxyethyl)(methyl)amino)ethylamino)methyl)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)benzoic acid
—— (4R)-1-(4-amino-3-methylphenyl)-7,8-dimethoxy-4-methyl-N-propan-2-yl-4,5-dihydro-2,3-benzodiazepine-3-carboxamide 1071134-56-9 C23H30N4O3
(4R)-1-(4-amino-3-methylphenyl)-7,8-dimethoxy-4-methyl-N-propan-2-yl-4,5-dihydro-2,3-benzodiazepine-3-carboxamide
—— 4-amidino-4'-(2-succinimidoethyl)biphenyl 144529-97-5 C19H19N3O2
4-amidino-4'-(2-succinimidoethyl)biphenyl
—— 4-[[3-[(4-fluorophenyl)methoxy]-4-methoxyphenyl]methylidene]-2-(3-methylphenyl)-5-(trifluoromethyl)pyrazol-3-one 1257412-10-4 C26H20F4N2O3
4-[[3-[(4-fluorophenyl)methoxy]-4-methoxyphenyl]methylidene]-2-(3-methylphenyl)-5-(trifluoromethyl)pyrazol-3-one
—— 4-fluoro-2-methyl-N-{5-[3-(1-methyl-1H-pyrazol-4-yl)-6-quinoxalinyl]-3-pyridinyl}benzenesulfonamide 1083323-35-6 C24H19FN6O2S
4-fluoro-2-methyl-N-{5-[3-(1-methyl-1H-pyrazol-4-yl)-6-quinoxalinyl]-3-pyridinyl}benzenesulfonamide
—— 4-[(5-chloro-6-isopropoxypyridin-3-yl)oxy]-2,6-difluoro-N-(methylsulfonyl)benzamide 1355063-89-6 C16H15ClF2N2O5S
4-[(5-chloro-6-isopropoxypyridin-3-yl)oxy]-2,6-difluoro-N-(methylsulfonyl)benzamide
—— 4-O-(3,4-Di-O-acetyl-2,6-dideoxy-2-iodo-α-L-manno-hexopyranosyl)tetracenomycin C 133497-14-0 C33H33IO16
4-O-(3,4-Di-O-acetyl-2,6-dideoxy-2-iodo-α-L-manno-hexopyranosyl)tetracenomycin C
—— (4-benzylidenenaphthalen-1-ylidene)-methyloxidanium 144866-96-6 C18H15O
(4-benzylidenenaphthalen-1-ylidene)-methyloxidanium
—— 4,7,10,13,16-pentaoxa-1,19-diaza-bicyclo[17.3.1]tricosane-23-one 69928-21-8 C16H30N2O6
4,7,10,13,16-pentaoxa-1,19-diaza-bicyclo[17.3.1]tricosane-23-one
—— 4-(3-p-anisyl-4-oxo-2-thioxothiazolidin-5-ylimino)-3-methyl-1-(morpholin-1-ylmethyl)-pyrazolin-5-one 109226-77-9 C19H21N5O4S2
4-(3-p-anisyl-4-oxo-2-thioxothiazolidin-5-ylimino)-3-methyl-1-(morpholin-1-ylmethyl)-pyrazolin-5-one
—— 4-bromo-2-(4,5-dihydro-1H-imidazol-2-yl)-benzenethiol 58287-49-3 C9H9BrN2S
4-bromo-2-(4,5-dihydro-1H-imidazol-2-yl)-benzenethiol
—— (4-chlorophenyl)(4-(phenylthio)phenyl)sulfane 60420-81-7 C18H13ClS2
(4-chlorophenyl)(4-(phenylthio)phenyl)sulfane
—— 4-(Methyl-hydrazono)-hexan-2-one 82755-36-0 C7H14N2O
4-(Methyl-hydrazono)-hexan-2-one
—— (4-nitro-phenyl)(2-pyridin-2-yl-phenyl)methanone 1271322-33-8 C18H12N2O3
(4-nitro-phenyl)(2-pyridin-2-yl-phenyl)methanone
—— 4-O-(t-butoxycarbonyl)-3-methyl-6-(2-oxopropyl)-2-(trimethylsilyl)ethoxy methylbenzoate 908291-87-2 C22H34O7Si
4-O-(t-butoxycarbonyl)-3-methyl-6-(2-oxopropyl)-2-(trimethylsilyl)ethoxy methylbenzoate
—— [4-chloro-2-(4-chlorobenzoyl)phenoxy]acetonitrile 1225592-37-9 C15H9Cl2NO2
[4-chloro-2-(4-chlorobenzoyl)phenoxy]acetonitrile
—— 4-(2-Methoxy-benzyl)-2-morpholin-4-ylmethyl-6-phenyl-2H-pyridazin-3-one 121137-78-8 C23H25N3O3
4-(2-Methoxy-benzyl)-2-morpholin-4-ylmethyl-6-phenyl-2H-pyridazin-3-one
—— 4-(1-diethylamino-2-methyl-3-phenyl-allylidene)-2-phenyl-2,4-dihydro-pyrazol-3-one 71237-14-4 C23H25N3O
4-(1-diethylamino-2-methyl-3-phenyl-allylidene)-2-phenyl-2,4-dihydro-pyrazol-3-one
—— 4-bromo-2-fluoronicotinic acid 1256790-84-7 C6H3BrFNO2
4-bromo-2-fluoronicotinic acid
—— 4-isopropyl-2-methylaminocycloheptimidazole 143769-41-9 C12H15N3
4-isopropyl-2-methylaminocycloheptimidazole
—— 4-<1,2-Bis(4-chlorphenyl)ethyl>-2,3-dihydroinden 78811-50-4 C23H20Cl2
4-<1,2-Bis(4-chlorphenyl)ethyl>-2,3-dihydroinden
—— 4,4,7-Trimethyl-6-(2-(4-(1,2-benzisothiazol-3-yl)-piperazinyl)ethyl)-1,2,3,4 tetrahydro-2(1H)-quinolinone 134017-29-1 C25H30N4OS
4,4,7-Trimethyl-6-(2-(4-(1,2-benzisothiazol-3-yl)-piperazinyl)ethyl)-1,2,3,4 tetrahydro-2(1H)-quinolinone
—— 4-aza-10,10-dimethyl-tricyclo(5.2.1.0<sup>1,5</sup>)decan-3-one 88842-36-8 C11H17NO
4-aza-10,10-dimethyl-tricyclo(5.2.1.0<sup>1,5</sup>)decan-3-one
—— 4-Ethyl-5(R)-<<(tert-butyldiphenylsilyl)oxy>methyl>-2(3H)-furanone 137870-97-4 C23H28O3Si
4-Ethyl-5(R)-<<(tert-butyldiphenylsilyl)oxy>methyl>-2(3H)-furanone
—— (~43~K)Potassium 14903-02-7 HK
(~43~K)Potassium
—— 4-Acetyloxy-3-guanidinopropyl-1-phenylcarbonyl-2-azetidinone hydrochloride salt 137055-32-4 C16H20N4O4*ClH
4-Acetyloxy-3-guanidinopropyl-1-phenylcarbonyl-2-azetidinone hydrochloride salt
—— 4-(o-chlorobenzimine)-9-methoxypsoralene 108207-22-3 C19H12ClNO4
4-(o-chlorobenzimine)-9-methoxypsoralene
—— 4-Aminotetracyclo[6.6.2.02,7.09,14]hexadeca-2(7),3,5,9,11,13-hexaene-1-carbonitrile 28695-15-0 C17H14N2
4-Aminotetracyclo[6.6.2.02,7.09,14]hexadeca-2(7),3,5,9,11,13-hexaene-1-carbonitrile
—— 4-(9-allyl-2-chloro-9H-purin-6-yl)naphthalen-1-ol 1241556-34-2 C18H13ClN4O
4-(9-allyl-2-chloro-9H-purin-6-yl)naphthalen-1-ol
—— 4-amino-6-(benzothiazol-2-yl)cinnoline-3-carbonitrile 1175535-73-5 C16H9N5S
4-amino-6-(benzothiazol-2-yl)cinnoline-3-carbonitrile
—— 4-amino-N-((2-(3-(3-fluorobenzyl)ureido)thiazol-4-yl)methyl)-N-methylpyrimidine-5-carboxamide 1108707-54-5 C18H18FN7O2S
4-amino-N-((2-(3-(3-fluorobenzyl)ureido)thiazol-4-yl)methyl)-N-methylpyrimidine-5-carboxamide
—— (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(5-bromo-2-chloropyridin-4-yl)methyl]-4-methyl-1,3-oxazolidin-2-one 1374134-71-0 C18H12BrClF6N2O2
(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(5-bromo-2-chloropyridin-4-yl)methyl]-4-methyl-1,3-oxazolidin-2-one
—— (+)-(4S,5S)-3-benzyl-4-hydroxymethyl-5-(4-nitrophenyl)oxazolidine 255911-56-9 C17H18N2O4
(+)-(4S,5S)-3-benzyl-4-hydroxymethyl-5-(4-nitrophenyl)oxazolidine
—— 4,4'-([2,2':5',2'':5'',2'''-quaterthiophene]-5,5'''-diyl)dibutyric acid 1287221-88-8 C24H22O4S4
4,4'-([2,2':5',2'':5'',2'''-quaterthiophene]-5,5'''-diyl)dibutyric acid