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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-acetoxy-2-acetylbenzo<1,2-b:4,5-b'>dithiophene 251539-99-8 C14H10O3S2
    4-acetoxy-2-acetylbenzo<1,2-b:4,5-b'>dithiophene
    —— 4-methylangelicin-8-carboxylic acid 96875-97-7 C13H8O5
    4-methylangelicin-8-carboxylic acid
    —— 4,6-difluoro-2,3-dimethyl-1,3-bis(4-sulfobutyl)-3H-indolium 913198-66-0 C18H25F2NO6S2
    4,6-difluoro-2,3-dimethyl-1,3-bis(4-sulfobutyl)-3H-indolium
    —— 4-hydroxy-8,8-dimethylbicyclo<5.1.0>octane 82691-90-5 C10H18O
    4-hydroxy-8,8-dimethylbicyclo<5.1.0>octane
    —— 4,4'-(methylenedisulfonyl)bis(N-ethyl-2-nitroaniline) 24589-31-9 C17H20N4O8S2
    4,4'-(methylenedisulfonyl)bis(N-ethyl-2-nitroaniline)
    —— 4,4′-disulfanediylbis(3-methyl-1-phenyl-1H-pyrazol-5-amine) 20763-50-2 C20H20N6S2
    4,4′-disulfanediylbis(3-methyl-1-phenyl-1H-pyrazol-5-amine)
    —— 4,5-Dimethyl-2-(1-methyl-2-thiocyanato-propoxy)-[1,3,2]dioxaphospholane 134750-99-5 C9H16NO3PS
    4,5-Dimethyl-2-(1-methyl-2-thiocyanato-propoxy)-[1,3,2]dioxaphospholane
    —— 4-(4-methyl-2-pyridin-3-yl-thiazole-5-carbonyl)-morpholine 39066-94-9 C14H15N3O2S
    4-(4-methyl-2-pyridin-3-yl-thiazole-5-carbonyl)-morpholine
    —— 4-chloromethanesulfonyl-morpholine; lithiated compound 23917-17-1 C5H9ClLiNO3S
    4-chloromethanesulfonyl-morpholine; lithiated compound
    —— 4-Benzyloxy-2-bromo-5-hydroxy-ω-nitrostyrene 40705-23-5 C15H12BrNO4
    4-Benzyloxy-2-bromo-5-hydroxy-ω-nitrostyrene
    —— 4-(2,4-dinitro-phenoxy)-3-nitro-benzaldehyde 860724-83-0 C13H7N3O8
    4-(2,4-dinitro-phenoxy)-3-nitro-benzaldehyde
    —— 4-chloro-10-pyridin-4-yl-10,11-dihydro-5<i>H</i>-dibenzo[<i>a</i>,<i>d</i>]cyclohepten-10-ol 51467-74-4 C20H16ClNO
    4-chloro-10-pyridin-4-yl-10,11-dihydro-5<i>H</i>-dibenzo[<i>a</i>,<i>d</i>]cyclohepten-10-ol
    —— (4-Hydroxy-1,2,5-trimethyl-piperidin-4-yl)-phosphonic acid diallyl ester 40924-62-7 C14H26NO4P
    (4-Hydroxy-1,2,5-trimethyl-piperidin-4-yl)-phosphonic acid diallyl ester
    —— 4,5-Dihydro-4[5-(trifluoromethanesulfonamido)pentan-1-yl]-3H-1,4,8b-triazaacenaphthylen-5-one 177486-81-6 C15H17F3N4O3S
    4,5-Dihydro-4[5-(trifluoromethanesulfonamido)pentan-1-yl]-3H-1,4,8b-triazaacenaphthylen-5-one
    —— (4Z,8Z)-2-(2-Dimethylamino-ethyl)-5,9,13-trimethyl-tetradeca-4,8,12-trienoic acid methyl ester 43219-06-3 C22H39NO2
    (4Z,8Z)-2-(2-Dimethylamino-ethyl)-5,9,13-trimethyl-tetradeca-4,8,12-trienoic acid methyl ester
    —— 4'-Brom-2-methyl-5-isopropyl-4-hydroxy-triphenylmethan 52449-15-7 C23H23BrO
    4'-Brom-2-methyl-5-isopropyl-4-hydroxy-triphenylmethan
    —— (4aS,6aS,6bR,8aR,10R,11S,12aR,12bR,14bS)-10-Acetoxy-11-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester 40772-63-2 C33H52O5
    (4aS,6aS,6bR,8aR,10R,11S,12aR,12bR,14bS)-10-Acetoxy-11-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carboxylic acid methyl ester
    —— 4-Acetoxy-3-(3-methyl-but-2-enyl)-benzoic acid ethyl ester 40310-20-1 C16H20O4
    4-Acetoxy-3-(3-methyl-but-2-enyl)-benzoic acid ethyl ester
    —— 4-phenyl-2-<i>p</i>-tolyloxymethyl-[1,4]oxazepane-5,7-dione 39632-14-9 C19H19NO4
    4-phenyl-2-<i>p</i>-tolyloxymethyl-[1,4]oxazepane-5,7-dione
    —— 4-((2-(tert-butyl)-5-(ethylthio)-1H-benzo[d]imidazol-1-yl)methyl)piperidine-1-carbaldehyde 1355997-58-8 C20H29N3OS
    4-((2-(tert-butyl)-5-(ethylthio)-1H-benzo[d]imidazol-1-yl)methyl)piperidine-1-carbaldehyde
    —— 4,5-bis-(4-amino-phenyl)-2-methyl-pyrrole-3-carboxylic acid ethyl ester 42455-24-3 C20H21N3O2
    4,5-bis-(4-amino-phenyl)-2-methyl-pyrrole-3-carboxylic acid ethyl ester
    —— 4,5-dimethyl-2-phenyl-benzo[4,5]imidazo[1,2-<i>a</i>]pyrimido[5,4-<i>e</i>]pyrimidine 51164-98-8 C20H15N5
    4,5-dimethyl-2-phenyl-benzo[4,5]imidazo[1,2-<i>a</i>]pyrimido[5,4-<i>e</i>]pyrimidine
    —— 4,5-Dichlor-3-phenylthio-2H-pyran-2-on 82172-17-6 C11H6Cl2O2S
    4,5-Dichlor-3-phenylthio-2H-pyran-2-on
    —— 4-acetyl-3-(4-methoxyphenylamino)isoxazol-5(2H)-one 1593593-89-5 C12H12N2O4
    4-acetyl-3-(4-methoxyphenylamino)isoxazol-5(2H)-one
    —— (4aR,6R,6aR,11aR)-8,10-dimethoxy-3,6,6a-tris((trimethylsilyl)oxy)-4,4a,5,6,6a,11-hexahydro-1H-benzo[3a,4]pentaleno[2,1-c]pyridine 1353684-53-3 C26H45NO5Si3
    (4aR,6R,6aR,11aR)-8,10-dimethoxy-3,6,6a-tris((trimethylsilyl)oxy)-4,4a,5,6,6a,11-hexahydro-1H-benzo[3a,4]pentaleno[2,1-c]pyridine
    —— 4-[1-Hydroxy-1-(3-methyl-3H-imidazol-4-yl)-3-trimethylsilanyl-prop-2-ynyl]-2-quinolin-8-yl-benzonitrile 565203-65-8 C26H24N4OSi
    4-[1-Hydroxy-1-(3-methyl-3H-imidazol-4-yl)-3-trimethylsilanyl-prop-2-ynyl]-2-quinolin-8-yl-benzonitrile
    —— <4-Nitrophenyl>-<2,3-didehydro-2,3-didesoxy-α-D-glucopyranosid>-4,6-phenylboranat 109455-04-1 C18H16BNO6
    <4-Nitrophenyl>-<2,3-didehydro-2,3-didesoxy-α-D-glucopyranosid>-4,6-phenylboranat
    —— 4,4',5',4''-tetrabromo-o-terphenyl 857545-30-3 C18H10Br4
    4,4',5',4''-tetrabromo-o-terphenyl
    —— 4-(4-(2-(methylthio)-6-oxo-1,6-dihydropyrimidin-5-yl)pyrimidin-2-ylamino)benzonitrile 1383716-96-8 C16H12N6OS
    4-(4-(2-(methylthio)-6-oxo-1,6-dihydropyrimidin-5-yl)pyrimidin-2-ylamino)benzonitrile
    —— 4-amino-N-benzyl-N-(4-(benzyl(4-(benzyl(phenyl)carbamoyl)naphthalen-1-yl)carbamoyl)naphthalen-1-yl)-1-naphthamide 1271739-31-1 C60H46N4O3
    4-amino-N-benzyl-N-(4-(benzyl(4-(benzyl(phenyl)carbamoyl)naphthalen-1-yl)carbamoyl)naphthalen-1-yl)-1-naphthamide
    —— 4-(4-Methoxybenzyl)-1-indanon 56461-07-5 C17H16O2
    4-(4-Methoxybenzyl)-1-indanon
    —— 4-deoxy-1,2-O-isopropylidene-L-glycero-pent-4-eno-pyranose-3-ene 1443217-16-0 C9H12O3
    4-deoxy-1,2-O-isopropylidene-L-glycero-pent-4-eno-pyranose-3-ene
    —— 4-[3-ethyl-1H-pyrazol-4-yl]-5-methyl-2-thiophenecarboxylic acid 1239576-82-9 C11H12N2O2S
    4-[3-ethyl-1H-pyrazol-4-yl]-5-methyl-2-thiophenecarboxylic acid
    —— 4-[(3S,5aR,6R,7R,8aS)-7-hydroxy-6-{(1E,3R)-3-hydroxy-4-[4-(trifluoromethyl)phenoxy]-1-buten-1-yl}octahydro-2H-cyclopenta[b]oxepin-3-yl]butanoic acid 1262873-34-6 C24H31F3O6
    4-[(3S,5aR,6R,7R,8aS)-7-hydroxy-6-{(1E,3R)-3-hydroxy-4-[4-(trifluoromethyl)phenoxy]-1-buten-1-yl}octahydro-2H-cyclopenta[b]oxepin-3-yl]butanoic acid
    —— 4-(Bromomethyl)-1-(fluoromethyl)-2-oxabicyclo[2.1.1]hexane 2418719-88-5 C7H10BrFO
    4-(Bromomethyl)-1-(fluoromethyl)-2-oxabicyclo[2.1.1]hexane
    —— 4-methoxymethyl-1-(4-nitrophenyl)-v-triazole 65984-48-7 C10H10N4O3
    4-methoxymethyl-1-(4-nitrophenyl)-v-triazole
    —— 4-(4-bromo-benzoyloximethyl)-2,2-dimethyl-[1,3]dioxolane 109101-19-1 C13H15BrO4
    4-(4-bromo-benzoyloximethyl)-2,2-dimethyl-[1,3]dioxolane
    —— 4-nitro-N-(5,5,6-tribromo-3-isopropyl-6-methyl-4-oxocyclohex-2-en-1-ylidene)benzamide 1240332-65-3 C17H15Br3N2O4
    4-nitro-N-(5,5,6-tribromo-3-isopropyl-6-methyl-4-oxocyclohex-2-en-1-ylidene)benzamide
    —— 4-{(3S,5aR,6R,7R,8aS)-6-[(1E,3R)-4-(5-chloro-2-fluorophenoxy)-3-hydroxy-1-buten-1-yl]-7-hydroxyoctahydro-2H-cyclopenta[b]oxepin-3-yl}butanoic acid 1262873-49-3 C23H30ClFO6
    4-{(3S,5aR,6R,7R,8aS)-6-[(1E,3R)-4-(5-chloro-2-fluorophenoxy)-3-hydroxy-1-buten-1-yl]-7-hydroxyoctahydro-2H-cyclopenta[b]oxepin-3-yl}butanoic acid
    —— 4-[N'-(2-Methoxycarbonyl-5-methyl-thiophen-3-yl)-hydrazino]-6-methyl-quinoline-3-carboxylic acid ethyl ester 114652-17-4 C20H21N3O4S
    4-[N'-(2-Methoxycarbonyl-5-methyl-thiophen-3-yl)-hydrazino]-6-methyl-quinoline-3-carboxylic acid ethyl ester
    —— 4-Acetoxy-3-methyl-but-2-en-saeureamid 89775-66-6 C7H11NO3
    4-Acetoxy-3-methyl-but-2-en-saeureamid
    —— 4-amino-2-methoxy-6-(4-((1r,4r)-4-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)cyclohexyl)phenyl)-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one 1236408-68-6 C24H28N6O3
    4-amino-2-methoxy-6-(4-((1r,4r)-4-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)cyclohexyl)phenyl)-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one
    —— 4-Propyl-3-<4-methoxy-phenyl>-pyrrolidin 92322-17-3 C14H21NO
    4-Propyl-3-<4-methoxy-phenyl>-pyrrolidin
    —— 4-Methoxy-2-methyl-6-[(E)-2-(5-nitro-furan-2-yl)-vinyl]-pyrimidine 1900-09-0 C12H11N3O4
    4-Methoxy-2-methyl-6-[(E)-2-(5-nitro-furan-2-yl)-vinyl]-pyrimidine
    —— 4-methoxy-<i>N</i>-(5,6,7,8-tetrahydro-quinazolin-2-yl)-benzenesulfonamide 1754-37-6 C15H17N3O3S
    4-methoxy-<i>N</i>-(5,6,7,8-tetrahydro-quinazolin-2-yl)-benzenesulfonamide
    —— 4-chloro-N-(2-fluoro-4-iodophenyl)pyridin-3-amine 955373-04-3 C11H7ClFIN2
    4-chloro-N-(2-fluoro-4-iodophenyl)pyridin-3-amine
    —— 4,4-Dimethyl-3-dimethylamino-5-phenyl-2-isoxazolin 15451-30-6 C13H18N2O
    4,4-Dimethyl-3-dimethylamino-5-phenyl-2-isoxazolin
    —— 4-benzyl 2-ethyl 5-ethyl-1-methyl-3-phenyl-1H-pyrrole-2,4-dicarboxylate 1242587-79-6 C24H25NO4
    4-benzyl 2-ethyl 5-ethyl-1-methyl-3-phenyl-1H-pyrrole-2,4-dicarboxylate
    —— (4-Methoxy-phenyl)-phenyl-thiocarbamic acid S-(2-diethylamino-ethyl) ester 94682-89-0 C20H26N2O2S
    (4-Methoxy-phenyl)-phenyl-thiocarbamic acid S-(2-diethylamino-ethyl) ester
    —— 4,4'-Dimethyl-5-formyl-2,2'-bipyrrol 91350-06-0 C11H12N2O
    4,4'-Dimethyl-5-formyl-2,2'-bipyrrol