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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Chloro-2-[1-(2,3-dichloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid ethyl ester 121223-46-9 C13H11Cl3O3
    4-Chloro-2-[1-(2,3-dichloro-phenyl)-meth-(Z)-ylidene]-3-oxo-butyric acid ethyl ester
    —— 4-Bromo-5-chloro-pyrazolo[1,5-a]pyridine 1427438-59-2 C7H4BrClN2
    4-Bromo-5-chloro-pyrazolo[1,5-a]pyridine
    —— 4-(2-aminoethyl)-3-hydroxy-isoxazole-5-carboxylic acid ethyl ester 91305-76-9 C8H12N2O4
    4-(2-aminoethyl)-3-hydroxy-isoxazole-5-carboxylic acid ethyl ester
    —— <4-Dimethylamino-phenyl>-4-biphenylyl-carbinol 94964-68-8 C21H21NO
    <4-Dimethylamino-phenyl>-4-biphenylyl-carbinol
    —— 4-acetamido-2-chlorophenyl trifluoromethanesulfonate 1428370-19-7 C9H7ClF3NO4S
    4-acetamido-2-chlorophenyl trifluoromethanesulfonate
    —— 4-ethyl-8-oxo-7-(prop-2-ynyl)-7,8-dihydro-1H-pyrano[3,4-c]pyridine-6-carboxylic acid 939055-77-3 C14H13NO4
    4-ethyl-8-oxo-7-(prop-2-ynyl)-7,8-dihydro-1H-pyrano[3,4-c]pyridine-6-carboxylic acid
    —— 4-methyl-N-(2-methylallyl)-N-(prop-2-ynyl)benzenesulfonamide 132330-45-1 C14H17NO2S
    4-methyl-N-(2-methylallyl)-N-(prop-2-ynyl)benzenesulfonamide
    —— 4-ethylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2-chloro-6-fluoro-3-(propane-1-sulfonylamino)phenyl]amide 1269666-57-0 C18H19ClFN5O3S2
    4-ethylaminothieno[3,2-d]pyrimidine-7-carboxylic acid [2-chloro-6-fluoro-3-(propane-1-sulfonylamino)phenyl]amide
    —— 4-[3-nitro-5-(1-piperidyl)phenyl]morpholine 1051900-01-6 C15H21N3O3
    4-[3-nitro-5-(1-piperidyl)phenyl]morpholine
    —— 4-(10-(S-trityl)mercaptodecyl)-1-phospha-4-silabicyclo[2.2.2]octane-1-sulfide 1056894-62-2 C35H47PS2Si
    4-(10-(S-trityl)mercaptodecyl)-1-phospha-4-silabicyclo[2.2.2]octane-1-sulfide
    —— 4-((9-butyl-9H-carbazol-3-yl)methyl)-N,N-diphenylaniline 1346231-30-8 C35H32N2
    4-((9-butyl-9H-carbazol-3-yl)methyl)-N,N-diphenylaniline
    —— 4-(4,7-Dimethoxy-6-methyl-naphthalen-1-yl)-4-oxo-butyric acid 158830-74-1 C17H18O5
    4-(4,7-Dimethoxy-6-methyl-naphthalen-1-yl)-4-oxo-butyric acid
    —— (4R,5S,6S)-3-((3S,5S)-1-Allyloxycarbonyl-5-{[(4-hydroxy-piperidine-1-carbonyl)-amino]-methyl}-pyrrolidin-3-ylsulfanyl)-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester 909395-48-8 C28H40N4O8S
    (4R,5S,6S)-3-((3S,5S)-1-Allyloxycarbonyl-5-{[(4-hydroxy-piperidine-1-carbonyl)-amino]-methyl}-pyrrolidin-3-ylsulfanyl)-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
    —— 4-(1,1-difluoroethyl)-1H-pyrazole 1785350-65-3 C5H6F2N2
    4-(1,1-difluoroethyl)-1H-pyrazole
    —— 4-[[(2S,5R)-5-[(R)-hydroxy(phenyl)methyl]pyrrolidin-2-yl]methyl]-N-[(6-phenylpyrimidin-4-yl)methyl]benzamide 1269613-96-8 C30H30N4O2
    4-[[(2S,5R)-5-[(R)-hydroxy(phenyl)methyl]pyrrolidin-2-yl]methyl]-N-[(6-phenylpyrimidin-4-yl)methyl]benzamide
    —— [4-(2,3-dichlorophenyl)-4-hydroxypiperidin-1-yl]-[5-(1H-pyrazol-4-yl)thiophen-3-yl]methanone 1274933-65-1 C19H17Cl2N3O2S
    [4-(2,3-dichlorophenyl)-4-hydroxypiperidin-1-yl]-[5-(1H-pyrazol-4-yl)thiophen-3-yl]methanone
    —— 4-bromo-5-[(3-methylpyrazin-2-yl)oxy]-1-(4,4,4-trifluorobutyl)-1H-benzotriazole 1268312-06-6 C15H13BrF3N5O
    4-bromo-5-[(3-methylpyrazin-2-yl)oxy]-1-(4,4,4-trifluorobutyl)-1H-benzotriazole
    —— 4-(((2S,5R)-5-((R)-hydroxy(phenyl)methyl)pyrrolidin-2-yl)methyl)-N-(2-methoxyethyl)-N-methylbenzamide 1269614-42-7 C23H30N2O3
    4-(((2S,5R)-5-((R)-hydroxy(phenyl)methyl)pyrrolidin-2-yl)methyl)-N-(2-methoxyethyl)-N-methylbenzamide
    —— 4-fluoro-3,5-dinitro-benzoic acid anilide 350-15-2 C13H8FN3O5
    4-fluoro-3,5-dinitro-benzoic acid anilide
    —— 4-Ethyl-benzoic acid cyclopropylmethyl ester 56300-99-3 C13H16O2
    4-Ethyl-benzoic acid cyclopropylmethyl ester
    —— 4-chloro-N-(1'-(cyclopropylmethyl)-2'-oxospiro[[1,3]dioxane-2,3'-indoline]-5'-yl)benzenesulfonamide 1234336-50-5 C21H21ClN2O5S
    4-chloro-N-(1'-(cyclopropylmethyl)-2'-oxospiro[[1,3]dioxane-2,3'-indoline]-5'-yl)benzenesulfonamide
    —— 4-{2-[3-(1,2,3,4-tetrahydroacridin-9-yl)thioureido]ethyl}piperazine-1-carboxylic acid tert-butyl ester 1108149-23-0 C25H35N5O2S
    4-{2-[3-(1,2,3,4-tetrahydroacridin-9-yl)thioureido]ethyl}piperazine-1-carboxylic acid tert-butyl ester
    —— 4-methyl-2-(3-nitro-4-piperidinophenyl)-5-thiazolecarboxylic acid 144060-23-1 C16H17N3O4S
    4-methyl-2-(3-nitro-4-piperidinophenyl)-5-thiazolecarboxylic acid
    —— [4-[(8S,11R,13S,14S,17R)-17-[(E)-but-2-enyl]-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-11-yl]phenyl] trifluoromethanesulfonate 947394-34-5 C29H33F3O5S
    [4-[(8S,11R,13S,14S,17R)-17-[(E)-but-2-enyl]-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-11-yl]phenyl] trifluoromethanesulfonate
    —— 4'-phenyl-3',4'-dihydropyrimidino[6',5':2,3]cholestane-2'(1'H)-thione 1408324-31-1 C35H52N2S
    4'-phenyl-3',4'-dihydropyrimidino[6',5':2,3]cholestane-2'(1'H)-thione
    —— 4-(phenylethynyl) di(ethylene glycol) phthalate 1398110-00-3 C20H18O6
    4-(phenylethynyl) di(ethylene glycol) phthalate
    —— 4-(3-Chlorophenyl)-3-(4-fluorophenyl)-1-phenyl-4,8-dihydropyrazolo[3,4-e][1,4]thiazepin-7-one 76058-83-8 C24H17ClFN3OS
    4-(3-Chlorophenyl)-3-(4-fluorophenyl)-1-phenyl-4,8-dihydropyrazolo[3,4-e][1,4]thiazepin-7-one
    —— 4-Fluoro-N-[3-methyl-1-(thiophene-3-carbonyl)-but-3-enyl]-benzamide 113399-05-6 C17H16FNO2S
    4-Fluoro-N-[3-methyl-1-(thiophene-3-carbonyl)-but-3-enyl]-benzamide
    —— 4-Methoxy-2-[(4-methoxy-phenyl)-hydrazono]-3-oxo-butyric acid methyl ester 153862-95-4 C13H16N2O5
    4-Methoxy-2-[(4-methoxy-phenyl)-hydrazono]-3-oxo-butyric acid methyl ester
    —— 4-(Chloromethylsulfanyl)-5-methylsulfanyl-1,3-dithiole-2-thione 1344677-89-9 C5H5ClS5
    4-(Chloromethylsulfanyl)-5-methylsulfanyl-1,3-dithiole-2-thione
    —— 4-methyl-N-(4-methylene-4H-benzo[d][1,3]oxazin-2-yl)benzenesulfonamide 1610702-05-0 C16H14N2O3S
    4-methyl-N-(4-methylene-4H-benzo[d][1,3]oxazin-2-yl)benzenesulfonamide
    —— 4-(2-Hydroxynaphthyl-(1)-azo)-benzyltriethylammoniumchlorid 18023-03-5 C23H28N3O*Cl
    4-(2-Hydroxynaphthyl-(1)-azo)-benzyltriethylammoniumchlorid
    —— (4aS,7aR,12bS)-4a-hydroxy-9-methoxy-3-methyl-2,3,4,4a,5,6-hexahydro-1H-benzofuro[3,2-e]isoquinolin-7(7aH)-one 1609251-11-7 C17H21NO4
    (4aS,7aR,12bS)-4a-hydroxy-9-methoxy-3-methyl-2,3,4,4a,5,6-hexahydro-1H-benzofuro[3,2-e]isoquinolin-7(7aH)-one
    —— 4-N-carbamoyl-2'-deoxy-5-methylcytidine 115652-30-7 C11H16N4O5
    4-N-carbamoyl-2'-deoxy-5-methylcytidine
    —— (4S,5R,6S)-4-[1,3]Dioxolan-2-ylmethyl-5-((E)-hex-1-enyl)-6-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester 881198-82-9 C31H44O15
    (4S,5R,6S)-4-[1,3]Dioxolan-2-ylmethyl-5-((E)-hex-1-enyl)-6-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester
    —— 4-{N'-[3-Butyl-2-hydroxy-4-oxo-4H-naphthalen-(1Z)-ylidene]-hydrazino}-3-iodo-benzoic acid 62830-37-9 C21H19IN2O4
    4-{N'-[3-Butyl-2-hydroxy-4-oxo-4H-naphthalen-(1Z)-ylidene]-hydrazino}-3-iodo-benzoic acid
    —— (4-chlorophenyl)-1-(4-nitrobenzenesulfonyl)-1,4,5,6-tetrahydropyridazine 159797-71-4 C16H14ClN3O4S
    (4-chlorophenyl)-1-(4-nitrobenzenesulfonyl)-1,4,5,6-tetrahydropyridazine
    —— 4,5-dihydro-1-methyl-5-[3-[4-[(4-chlorophenyl)phenylmethylene]piperidin-1-yl]propyl][1,2,4]triazolo[4,3,a]quinoxaline 149668-45-1 C31H32ClN5
    4,5-dihydro-1-methyl-5-[3-[4-[(4-chlorophenyl)phenylmethylene]piperidin-1-yl]propyl][1,2,4]triazolo[4,3,a]quinoxaline
    —— [4-(hydroxyl)phenyl]phenylpyren-1-ylphosphine borane 1187472-64-5 C28H22BOP
    [4-(hydroxyl)phenyl]phenylpyren-1-ylphosphine borane
    —— 4-Iodo-2-(1,4,8-trimethoxy-naphthalen-2-ylmethyl)-6-oxa-bicyclo[3.2.1]octan-7-one 95385-04-9 C21H23IO5
    4-Iodo-2-(1,4,8-trimethoxy-naphthalen-2-ylmethyl)-6-oxa-bicyclo[3.2.1]octan-7-one
    —— 4-((3-chloro-5-(3-(3-chlorophenyl)ureido)-1H-indol-1-yl)methyl)-N-methylpicolinamide 1547120-75-1 C23H19Cl2N5O2
    4-((3-chloro-5-(3-(3-chlorophenyl)ureido)-1H-indol-1-yl)methyl)-N-methylpicolinamide
    —— (4ar,9bc)-4,4a,5,9b-tetrahydro-indeno[2,1-e][1,2]oxazine-3-carboxylic acid 73473-18-4 C12H11NO3
    (4ar,9bc)-4,4a,5,9b-tetrahydro-indeno[2,1-e][1,2]oxazine-3-carboxylic acid
    —— 4,4-(ethylenedioxy)-7-toluene-p-sulfonylmethylbicyclo<4.2.0>octa-1(6)-ene 86791-87-9 C18H22O4S
    4,4-(ethylenedioxy)-7-toluene-p-sulfonylmethylbicyclo<4.2.0>octa-1(6)-ene
    —— 4-Oxo-7-chlor-4,5-dihydro-furo<2,3-d>pyridazin 14757-85-8 C6H3ClN2O2
    4-Oxo-7-chlor-4,5-dihydro-furo<2,3-d>pyridazin
    —— 4''''-Iodo-2,2',2'',2''',3''''-pentamethyl-[1,1';4',4'';1'',1''';4''',1'''']quinquephenyl 223462-87-1 C35H31I
    4''''-Iodo-2,2',2'',2''',3''''-pentamethyl-[1,1';4',4'';1'',1''';4''',1'''']quinquephenyl
    —— 4-([2-(difluoromethoxy)pyridin-3-yl]oxy)-3-fluoroaniline 932030-14-3 C12H9F3N2O2
    4-([2-(difluoromethoxy)pyridin-3-yl]oxy)-3-fluoroaniline
    —— 4-(4,5,6,7-tetraiodo-1,3-dioxo-isoindolin-2-yl)-benzoic acid 100913-87-9 C15H5I4NO4
    4-(4,5,6,7-tetraiodo-1,3-dioxo-isoindolin-2-yl)-benzoic acid
    —— <4-Formyl-phenyl>-3.5-di-tert-butyl-4-hydroxy-benzoat 14041-69-1 C22H26O4
    <4-Formyl-phenyl>-3.5-di-tert-butyl-4-hydroxy-benzoat
    —— 4-(p-Methoxyphenoxy)-3,5-dinitro-propiophenon 19366-31-5 C16H14N2O7
    4-(p-Methoxyphenoxy)-3,5-dinitro-propiophenon
    —— 4,4'-Bis-(3-methoxy-phthalidyl-(3))-bipyrazolyl-(5,5') 16392-92-0 C24H18N4O6
    4,4'-Bis-(3-methoxy-phthalidyl-(3))-bipyrazolyl-(5,5')