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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Mono-isopentyl-3,5-dioxo-pyrazolidin 23913-89-5 C8H14N2O2
    4-Mono-isopentyl-3,5-dioxo-pyrazolidin
    —— 4,6,6,6',6'-pentamethyl-3,4,5,6,3',6'-hexahydro-1<i>H</i>,1'<i>H</i>-4,4'-methanediyl-bis-pyrimidine-2-thione 30162-18-6 C14H24N4S2
    4,6,6,6',6'-pentamethyl-3,4,5,6,3',6'-hexahydro-1<i>H</i>,1'<i>H</i>-4,4'-methanediyl-bis-pyrimidine-2-thione
    —— 4-(4-methoxy-phenyl)-1,3-dimethyl-1<i>H</i>-benzo[<i>g</i>]indazol-5-ol 33045-81-7 C20H18N2O2
    4-(4-methoxy-phenyl)-1,3-dimethyl-1<i>H</i>-benzo[<i>g</i>]indazol-5-ol
    —— 4,5-epoxy-3-methoxy-17-prop-2-ynyl-morphinan-14-ol 102900-26-5 C20H23NO3
    4,5-epoxy-3-methoxy-17-prop-2-ynyl-morphinan-14-ol
    —— 4-Chlor-2'-hydroxy-5'-methyltriphenylmethan 49572-08-9 C20H17ClO
    4-Chlor-2'-hydroxy-5'-methyltriphenylmethan
    —— 4-acetylamino-5-methyl-pyrrole-1,3-dicarboxylic acid diethyl ester 30433-27-3 C13H18N2O5
    4-acetylamino-5-methyl-pyrrole-1,3-dicarboxylic acid diethyl ester
    —— 4-Bromo-1-hydroxy-naphthalene-2-carboxylic acid (4-chloro-phenyl)-amide 50729-27-6 C17H11BrClNO2
    4-Bromo-1-hydroxy-naphthalene-2-carboxylic acid (4-chloro-phenyl)-amide
    —— 4-chloro-2-phenyl-5-thiocyanato-2<i>H</i>-pyridazin-3-one 25381-79-7 C11H6ClN3OS
    4-chloro-2-phenyl-5-thiocyanato-2<i>H</i>-pyridazin-3-one
    —— (4aS,13bS)-11,12-Dimethoxy-1,4,4a,5,8,9-hexahydro-indolo[7a,1-a]isoquinolin-6-one 26012-53-3 C18H21NO3
    (4aS,13bS)-11,12-Dimethoxy-1,4,4a,5,8,9-hexahydro-indolo[7a,1-a]isoquinolin-6-one
    —— 4-allylsulfanyl-6-chloro-2-phenyl-2<i>H</i>-pyridazin-3-one 25381-05-9 C13H11ClN2OS
    4-allylsulfanyl-6-chloro-2-phenyl-2<i>H</i>-pyridazin-3-one
    —— 4,5-Diamino-2-methyl-6-phenyl-pyrimidin 23766-69-0 C11H12N4
    4,5-Diamino-2-methyl-6-phenyl-pyrimidin
    —— (4-nitro-thiophen-2-ylmethylene)-[1,2,4]triazol-4-yl-amine 35554-66-6 C7H5N5O2S
    (4-nitro-thiophen-2-ylmethylene)-[1,2,4]triazol-4-yl-amine
    —— 4-[4,4-diallyl-2-(4-hydroxy-phenyl)-3,5-dioxo-pyrazolidin-1-yl]-benzoic acid 38038-66-3 C22H20N2O5
    4-[4,4-diallyl-2-(4-hydroxy-phenyl)-3,5-dioxo-pyrazolidin-1-yl]-benzoic acid
    —— 4-(4-methoxy-phenyl)-6-piperidin-1-yl-1<i>H</i>-[1,3,5]triazine-2-thione 32710-12-6 C15H18N4OS
    4-(4-methoxy-phenyl)-6-piperidin-1-yl-1<i>H</i>-[1,3,5]triazine-2-thione
    —— 4-(8-hydroxy-3,6-dioxa-octyloxy)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 34934-60-6 C17H24N2O5
    4-(8-hydroxy-3,6-dioxa-octyloxy)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— (4R,4aS,7aR,12bS)-3,3-diallyl-4a,9-dihydroxy-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide 103782-80-5 Br*C22H26NO4
    (4R,4aS,7aR,12bS)-3,3-diallyl-4a,9-dihydroxy-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide
    —— 4a-methoxy-α-tocopherol 119529-15-6 C30H52O3
    4a-methoxy-α-tocopherol
    —— 4-(5-Amino-3-oxo-2,3-dihydro-1H-pyrazol-4-ylazo)-N-pyridin-2-yl-benzenesulfonamide 326926-73-2 C14H13N7O3S
    4-(5-Amino-3-oxo-2,3-dihydro-1H-pyrazol-4-ylazo)-N-pyridin-2-yl-benzenesulfonamide
    —— (4S,5R)-5-deuterio-2,6-dioxo-1,3-diazinane-4-carboxylic acid 39681-14-6 C5H6N2O4
    (4S,5R)-5-deuterio-2,6-dioxo-1,3-diazinane-4-carboxylic acid
    —— 4-{2-[(2R,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-4-(3-methoxymethyl-phenyl)-but-1-enyl]-5-oxo-cyclopent-(E)-ylidene]-ethylsulfanyl}-butyric acid methyl ester 256382-35-1 C36H60O6SSi2
    4-{2-[(2R,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-4-(3-methoxymethyl-phenyl)-but-1-enyl]-5-oxo-cyclopent-(E)-ylidene]-ethylsulfanyl}-butyric acid methyl ester
    —— 4α,5α-dihydroxy-α-santonin 119051-74-0 C15H20O5
    4α,5α-dihydroxy-α-santonin
    —— 4a-Methyl-cis-decahydrochinazolin 32885-67-9 C9H18N2
    4a-Methyl-cis-decahydrochinazolin
    —— 4-[N'-(3-Carboxy-2,3-diphenyl-propionyl)-hydrazino]-4-oxo-2,3-diphenyl-butyric acid 22291-87-8 C32H28N2O6
    4-[N'-(3-Carboxy-2,3-diphenyl-propionyl)-hydrazino]-4-oxo-2,3-diphenyl-butyric acid
    —— 4-(2-ethoxy-ethoxy)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one 34934-64-0 C15H20N2O3
    4-(2-ethoxy-ethoxy)-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
    —— 4,5-dihydroxy-3,6-bis-[4-(4-oxo-3,4-dihydro-quinazolin-2-yl)-phenylazo]-naphthalene-2,7-disulfonic acid 22240-12-6 C38H24N8O10S2
    4,5-dihydroxy-3,6-bis-[4-(4-oxo-3,4-dihydro-quinazolin-2-yl)-phenylazo]-naphthalene-2,7-disulfonic acid
    —— 4-(2-Diethylamino-ethoxy)-3-(3-trifluormethyl-phenylcarbamoyl)-benzoesaeure-ethylester 24064-98-0 C23H27F3N2O4
    4-(2-Diethylamino-ethoxy)-3-(3-trifluormethyl-phenylcarbamoyl)-benzoesaeure-ethylester
    —— 4-acetoxy-2-(4-ethoxy-phenyl)-5-oxo-1-phenyl-2,5-dihydro-pyrrole-3-carboxylic acid ethyl ester 38123-93-2 C23H23NO6
    4-acetoxy-2-(4-ethoxy-phenyl)-5-oxo-1-phenyl-2,5-dihydro-pyrrole-3-carboxylic acid ethyl ester
    —— 4-(3-phenyl-5-pyridin-3-yl-4,5-dihydro-pyrazol-1-yl)-benzoic acid ethyl ester 27046-91-9 C23H21N3O2
    4-(3-phenyl-5-pyridin-3-yl-4,5-dihydro-pyrazol-1-yl)-benzoic acid ethyl ester
    —— 4-(3,5-Dimethylphenoxy)-3-methylpyridin 28223-10-1 C14H15NO
    4-(3,5-Dimethylphenoxy)-3-methylpyridin
    —— 4-(3-Chloro-2-hydroxy-propoxy)-1-phenyl-1H-quinolin-2-one 1464-22-8 C18H16ClNO3
    4-(3-Chloro-2-hydroxy-propoxy)-1-phenyl-1H-quinolin-2-one
    —— 4-(4-Propoxycarbonyl-phenoxysulfonyl)-3H-indene-1-carboxylic acid 139120-16-4 C20H18O7S
    4-(4-Propoxycarbonyl-phenoxysulfonyl)-3H-indene-1-carboxylic acid
    —— 4-fluoro-2-methyl-1-benzofuran-7-carbonitrile 664364-15-2 C10H6FNO
    4-fluoro-2-methyl-1-benzofuran-7-carbonitrile
    —— 4-((4-methoxyphenyl)amino)pyrimidin-2(1H)-one 56885-24-6 C11H11N3O2
    4-((4-methoxyphenyl)amino)pyrimidin-2(1H)-one
    —— 4-[2-(1,3-dioxoisoindolin-2-yl)ethyl]benzonitrile 308846-03-9 C17H12N2O2
    4-[2-(1,3-dioxoisoindolin-2-yl)ethyl]benzonitrile
    —— 4-oxo-N-(4-{[(pyridin-3-ylmethyl)carbamoyl]amino}phenyl)-3,4-dihydroquinazoline-8-sulfonamide 1333936-08-5 C21H18N6O4S
    4-oxo-N-(4-{[(pyridin-3-ylmethyl)carbamoyl]amino}phenyl)-3,4-dihydroquinazoline-8-sulfonamide
    —— (4S,6S)-4-Ethyl-6-[(S)-1-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl]-3-methyl-tetrahydro-pyran-2-one 106401-63-2 C30H48O3
    (4S,6S)-4-Ethyl-6-[(S)-1-((1aR,3aR,3bS,5aS,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-ethyl]-3-methyl-tetrahydro-pyran-2-one
    —— 4-(bis(3,4-dimethoxyphenyl)methyl)benzaldehyde 1280728-67-7 C24H24O5
    4-(bis(3,4-dimethoxyphenyl)methyl)benzaldehyde
    —— 4'-O-acetyl-1-(4'-hydroxybutyl)uracil 55343-16-3 C10H14N2O4
    4'-O-acetyl-1-(4'-hydroxybutyl)uracil
    —— 4-amino-2-(4-(N-tert-butylsulfamoyl)phenyl)thieno[3,2-c]-pyridine-7-carboxylic Acid 1350455-41-2 C18H19N3O4S2
    4-amino-2-(4-(N-tert-butylsulfamoyl)phenyl)thieno[3,2-c]-pyridine-7-carboxylic Acid
    —— (4R,5R)-4,5-di(tert-butyl)-3-methyl-1-(bis(1-naphthyl)methyl)imidazolidinium fluoroborate 1620963-18-9 BF4*C33H39N2
    (4R,5R)-4,5-di(tert-butyl)-3-methyl-1-(bis(1-naphthyl)methyl)imidazolidinium fluoroborate
    —— 4-methoxy-1-propyl-2,2a,3,4-tetrahydro-cyclobuta[a]naphthalene 844638-81-9 C16H20O
    4-methoxy-1-propyl-2,2a,3,4-tetrahydro-cyclobuta[a]naphthalene
    —— (4S,4a'S,10a'R)-8'-methoxy-10a'-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazolidine-4,10'-pyrano[3,2-b]chromene]-2,5-dione 1369629-04-8 C16H18N2O5
    (4S,4a'S,10a'R)-8'-methoxy-10a'-methyl-3',4',4a',10a'-tetrahydro-2'H-spiro[imidazolidine-4,10'-pyrano[3,2-b]chromene]-2,5-dione
    —— 4,5,2',4',4'',2''',4'''-heptamethoxy-3,5'''-bichalcone 1228276-02-5 C37H36O9
    4,5,2',4',4'',2''',4'''-heptamethoxy-3,5'''-bichalcone
    —— (4-hydroxy-butoxy)-acetaldehyde (<i>Z</i>)-oxime 28643-06-3 C6H13NO3
    (4-hydroxy-butoxy)-acetaldehyde (<i>Z</i>)-oxime
    —— 4-(chloro-(phenyl)-methylene)-3-ethoxy-1-(toluene-4-sulfonyl)piperidine 1254985-07-3 C21H24ClNO3S
    4-(chloro-(phenyl)-methylene)-3-ethoxy-1-(toluene-4-sulfonyl)piperidine
    —— 4-phenylthieno[3,2-c]quinoline-2-carboxylic acid 1225374-05-9 C18H11NO2S
    4-phenylthieno[3,2-c]quinoline-2-carboxylic acid
    —— 4-octylsulfanylpyridine-2,6-bis(thiocarboxylic) acid 289030-85-9 C15H21NO2S3
    4-octylsulfanylpyridine-2,6-bis(thiocarboxylic) acid
    —— 4-Amino-2,6-di(tert-butyl)thiophenol 84161-24-0 C14H23NS
    4-Amino-2,6-di(tert-butyl)thiophenol
    —— (±)-4-(5-chloro-2-isopropoxycarbonylmethoxy-phenyl)-6,7-dihydro-4H-thiazolo[5,4-c]pyridine-5-carboxylic acid 4-nitro-phenyl ester 1531636-11-9 C24H22ClN3O7S
    (±)-4-(5-chloro-2-isopropoxycarbonylmethoxy-phenyl)-6,7-dihydro-4H-thiazolo[5,4-c]pyridine-5-carboxylic acid 4-nitro-phenyl ester
    —— (4-Amino-3-chloro-phenyl)-diphenyl-acetonitrile 55233-25-5 C20H15ClN2
    (4-Amino-3-chloro-phenyl)-diphenyl-acetonitrile