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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4-bis[(ethenyloxy)methyl]cyclohexene —— C12H18O2
    4,4-bis[(ethenyloxy)methyl]cyclohexene
    —— 4-<4(5)-imidazolyl>piperidine dihydrochloride —— C8H13N3*2ClH
    4-<4(5)-imidazolyl>piperidine dihydrochloride
    —— 4-(4-pyridyl)imidazole-2-thione hydrochloride —— C8H7N3S*ClH
    4-(4-pyridyl)imidazole-2-thione hydrochloride
    —— 4-[4-(1-Propyl)-piperazin-1-yl]-benzoic acid hydrochlorid —— C14H20N2O2*ClH
    4-[4-(1-Propyl)-piperazin-1-yl]-benzoic acid hydrochlorid
    —— 4-(2,2,2,2,2-pentacarbonyl-2-chroma-1-ethoxy-1-ylvinyl)-2a-methyl-2,5-diphenyl-2a,3,6,7-tetrahydro-8-oxa-5a-aza-cyclobuta[d]indene-1-carbothioic acid O-ethyl ester —— C33H29CrNO8S
    4-(2,2,2,2,2-pentacarbonyl-2-chroma-1-ethoxy-1-ylvinyl)-2a-methyl-2,5-diphenyl-2a,3,6,7-tetrahydro-8-oxa-5a-aza-cyclobuta[d]indene-1-carbothioic acid O-ethyl ester
    —— 4-<<2-(1,3-dipalmitoyloxy)propyl>carbonyloxy>-6-chloro-2-methyl-N-2-pyridinyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxamide 1,1-dioxide —— C49H76ClN3O10S2
    4-<<2-(1,3-dipalmitoyloxy)propyl>carbonyloxy>-6-chloro-2-methyl-N-2-pyridinyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxamide 1,1-dioxide
    —— 4-O-(2-amino-2-deoxy-β-D-galactopyranosyl)-3-O-methyl-D-chiro-inositol —— C13H25NO10
    4-O-(2-amino-2-deoxy-β-D-galactopyranosyl)-3-O-methyl-D-chiro-inositol
    —— 4,5-O-isopropylidene-D-galactose propane-1,3-diyl dithioacetal —— C12H22O5S2
    4,5-O-isopropylidene-D-galactose propane-1,3-diyl dithioacetal
    —— 4,7-anhydro-1,3-dideoxy-D-glycero-L-ido-nonulose —— C9H16O6
    4,7-anhydro-1,3-dideoxy-D-glycero-L-ido-nonulose
    —— 4-O-β-D-galactopyranosyl-D-mannitol 53796-37-5 C12H24O11
    4-O-β-D-galactopyranosyl-D-mannitol
    —— (4-nitrophenyl)methyl 2-[(1R,5R)-3-benzyl-7-oxo-4-thia-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl]-2-oxoacetate —— C20H15N3O6S
    (4-nitrophenyl)methyl 2-[(1R,5R)-3-benzyl-7-oxo-4-thia-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl]-2-oxoacetate
    —— 4,7-anhydro-1,3-dideoxy-D-glycero-L-gulo-nonulose —— C9H16O6
    4,7-anhydro-1,3-dideoxy-D-glycero-L-gulo-nonulose
    —— 4,8-anhydro-1,3-dideoxy-D-glycero-L-ido-nonulose —— C9H16O6
    4,8-anhydro-1,3-dideoxy-D-glycero-L-ido-nonulose
    —— 4,6-dimethoxy-1,3,5-triazin-2-yl β-D-galactopyranoside —— C11H17N3O8
    4,6-dimethoxy-1,3,5-triazin-2-yl β-D-galactopyranoside
    —— 4-β-D-glucopyranosyl-D-glucitol —— C12H24O11
    4-β-D-glucopyranosyl-D-glucitol
    —— 4-(3,4-dimethoxyphenyl)thiosemicarbazide —— C9H13N3O2S
    4-(3,4-dimethoxyphenyl)thiosemicarbazide
    —— 4-(2,3,4-trifluorophenyl)thiosemicarbazide —— C7H6F3N3S
    4-(2,3,4-trifluorophenyl)thiosemicarbazide
    —— 4-((4-chlorophenoxy)methyl)-2,2-dimethyl-1,3-dioxolane —— C12H15ClO3
    4-((4-chlorophenoxy)methyl)-2,2-dimethyl-1,3-dioxolane
    —— 4-azido-4-deoxy-D-glucose —— C6H11N3O5
    4-azido-4-deoxy-D-glucose
    —— 4-((3-chloro-4-fluorophenyl)amino)-6-nitroquinazolin-7-ol —— C14H8ClFN4O3
    4-((3-chloro-4-fluorophenyl)amino)-6-nitroquinazolin-7-ol
    —— 4,8-ditert-butyl-6-[1-[[2-(4,8-ditert-butyl-1,2,10,11-tetramethylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxynaphthalen-1-yl]methyl]naphthalen-2-yl]oxy-1,2,10,11-tetramethylbenzo[d][1,3,2]benzodioxaphosphepine —— C69H78O6P2
    4,8-ditert-butyl-6-[1-[[2-(4,8-ditert-butyl-1,2,10,11-tetramethylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxynaphthalen-1-yl]methyl]naphthalen-2-yl]oxy-1,2,10,11-tetramethylbenzo[d][1,3,2]benzodioxaphosphepine
    —— 4-nitro-N-[2-(2-oxooxazolidin-3-yl)ethyl]benzamide —— C12H13N3O5
    4-nitro-N-[2-(2-oxooxazolidin-3-yl)ethyl]benzamide
    —— 4β,5α-dihydroxyandrostane-3,17-dione —— C19H28O4
    4β,5α-dihydroxyandrostane-3,17-dione
    —— 4-Hydroxy-androst-4-ene-3,17-dione-β-D-glucopyranuronic acid —— C26H36O9
    4-Hydroxy-androst-4-ene-3,17-dione-β-D-glucopyranuronic acid
    —— 4-phenoxy-7α-(phenylthio)-4-androstene-3,17-dione —— C31H34O3S
    4-phenoxy-7α-(phenylthio)-4-androstene-3,17-dione
    —— (4E,8E,12E)-N-methyl-N-(4-methylpentyl)-16,17-epoxy-4,9,13,17-tetramethyl-4,8,12-octadecatrienylamine N-oxide —— C29H53NO2
    (4E,8E,12E)-N-methyl-N-(4-methylpentyl)-16,17-epoxy-4,9,13,17-tetramethyl-4,8,12-octadecatrienylamine N-oxide
    —— 4-(4-nitro-3-hydroxy-2,5,6-trifluoro-phenoxy)-2-(4-benzyloxycarbonylphenoxy)-3,5,6-tri-fluoropyridine —— C25H12F6N2O7
    4-(4-nitro-3-hydroxy-2,5,6-trifluoro-phenoxy)-2-(4-benzyloxycarbonylphenoxy)-3,5,6-tri-fluoropyridine
    —— 4-(1H-Imidazol-1-yl)androst-4-ene-3,17-dione —— C22H28N2O2
    4-(1H-Imidazol-1-yl)androst-4-ene-3,17-dione
    —— 4,6-bis(4-nitro-3-hydroxy-2,5,6-trifluorophenoxy)pyrimidine —— C16H4F6N4O8
    4,6-bis(4-nitro-3-hydroxy-2,5,6-trifluorophenoxy)pyrimidine
    —— 4-N-(N,N-dibenzylformamidinyl)-2',3'-dideoxycytidine —— C24H26N4O3
    4-N-(N,N-dibenzylformamidinyl)-2',3'-dideoxycytidine
    —— 4-(4,7-dimethoxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-(4-methoxyphenyl)-1-butanone —— C20H22O7
    4-(4,7-dimethoxy-1,3-benzodioxol-5-yl)-3-hydroxy-1-(4-methoxyphenyl)-1-butanone
    —— 4N-<(1,4-dihydro-1-methyl-3-pyridinyl)carbonyl>-2',3'-dideoxycytidine —— C16H20N4O4
    4N-<(1,4-dihydro-1-methyl-3-pyridinyl)carbonyl>-2',3'-dideoxycytidine
    —— 4,9-dimethoxy-7-methyl-5-phenyl-7,8-dihydro[1,3]dioxolo[4,5g]isoquinoline —— C19H19NO4
    4,9-dimethoxy-7-methyl-5-phenyl-7,8-dihydro[1,3]dioxolo[4,5g]isoquinoline
    —— 4-(4,7-dimethoxy-1,3-benzodioxol-5-yl)-1-(4-methoxyphenyl)-1,3-butanediol —— C20H24O7
    4-(4,7-dimethoxy-1,3-benzodioxol-5-yl)-1-(4-methoxyphenyl)-1,3-butanediol
    —— 4,9-dimethoxy-7-methyl-5-(4-nitrophenyl)-7,8-dihydro[1,3]-dioxolo[4,5g]isoquinoline —— C19H18N2O6
    4,9-dimethoxy-7-methyl-5-(4-nitrophenyl)-7,8-dihydro[1,3]-dioxolo[4,5g]isoquinoline
    —— 4,9-dimethoxy-8-(4-methoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxol-6-ol —— C20H22O6
    4,9-dimethoxy-8-(4-methoxyphenyl)-5,6,7,8-tetrahydronaphtho[2,3-d][1,3]dioxol-6-ol
    —— 4,7-dimethoxy-5-propyl-benzo[1,3]dioxole —— C12H16O4
    4,7-dimethoxy-5-propyl-benzo[1,3]dioxole
    —— 4-β-D-glucopyranosylamino-benzoic acid-(2-diethylamino-ethyl ester); hydrochloride 101123-24-4 C19H30N2O7*ClH
    4-β-D-glucopyranosylamino-benzoic acid-(2-diethylamino-ethyl ester); hydrochloride
    —— 4,6-dideoxy-4-(adenin-9-yl)-6-amino-2,5-anhydro-L-mannitol —— C11H16N6O3
    4,6-dideoxy-4-(adenin-9-yl)-6-amino-2,5-anhydro-L-mannitol
    —— 4-ethenylbenzoic acid 1-methyl-1-(3-methylcyclohex-3-enyl)ethyl ester —— C19H24O2
    4-ethenylbenzoic acid 1-methyl-1-(3-methylcyclohex-3-enyl)ethyl ester
    —— (4S)-α-terpineol 8-O-β-D-(6-O-galloyl)glucopyranoside —— C23H32O10
    (4S)-α-terpineol 8-O-β-D-(6-O-galloyl)glucopyranoside
    —— (4aS*,6S*,8aR*)-1-benzyloxycarbonyl-6-propyl-5-(toluene-4-sulfonyl)octahydro-3-oxa-2-thia-1,5-diazanaphthalene 2,2-dioxide —— C24H30N2O7S2
    (4aS*,6S*,8aR*)-1-benzyloxycarbonyl-6-propyl-5-(toluene-4-sulfonyl)octahydro-3-oxa-2-thia-1,5-diazanaphthalene 2,2-dioxide
    —— 4,6-O-benzylidene-N-acetyl-D-galactosamine —— C15H19NO6
    4,6-O-benzylidene-N-acetyl-D-galactosamine
    —— 4-methallyloxy-benzoic acid butyl ester —— C15H20O3
    4-methallyloxy-benzoic acid butyl ester
    —— 4-(4-chloro-2-methoxy-phenylcarbamoyloxy)-benzoic acid butyl ester —— C19H20ClNO5
    4-(4-chloro-2-methoxy-phenylcarbamoyloxy)-benzoic acid butyl ester
    —— 4-(2,3-dihydroxy-propoxy)-benzoic acid butyl ester —— C14H20O5
    4-(2,3-dihydroxy-propoxy)-benzoic acid butyl ester
    —— 4-(4-chloro-phenylcarbamoyloxy)-benzoic acid butyl ester —— C18H18ClNO4
    4-(4-chloro-phenylcarbamoyloxy)-benzoic acid butyl ester
    —— 4-phenylcarbamoyloxy-benzoic acid butyl ester —— C18H19NO4
    4-phenylcarbamoyloxy-benzoic acid butyl ester
    —— 4-[1]naphthylcarbamoyloxy-benzoic acid butyl ester —— C22H21NO4
    4-[1]naphthylcarbamoyloxy-benzoic acid butyl ester
    —— 4-(4-nitro-phenylcarbamoyloxy)-benzoic acid butyl ester —— C18H18N2O6
    4-(4-nitro-phenylcarbamoyloxy)-benzoic acid butyl ester