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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4S,5R)-4,5-O-(1-methylethylidene)-hept-6-en-1-ol 1130937-51-7 C10H18O3
    (4S,5R)-4,5-O-(1-methylethylidene)-hept-6-en-1-ol
    —— 4-(4-chlorobenzoyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-5-(3-nitrophenyl)-1H-1,2,3-triazole 1242261-32-0 C23H21ClN4O7
    4-(4-chlorobenzoyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-5-(3-nitrophenyl)-1H-1,2,3-triazole
    —— 4-(Tetrahydrofuran-2-ylmethyl)-piperazine-1-carboxylic acid 4-(3-chloro-5-trifluoromethyl-pyridin-2-yloxy)-phenyl ester 549510-88-5 C22H23ClF3N3O4
    4-(Tetrahydrofuran-2-ylmethyl)-piperazine-1-carboxylic acid 4-(3-chloro-5-trifluoromethyl-pyridin-2-yloxy)-phenyl ester
    —— 4'-(3-ethoxy-3-oxopropyl)-2'-(3-methoxypropoxy)biphenyl-4-carboxylic acid 960409-22-7 C22H26O6
    4'-(3-ethoxy-3-oxopropyl)-2'-(3-methoxypropoxy)biphenyl-4-carboxylic acid
    —— 4'-Ethoxy-2-methyl-3-(hexamethyleneimino)propiophenone hydrochloride 27922-15-2 C18H28ClNO2
    4'-Ethoxy-2-methyl-3-(hexamethyleneimino)propiophenone hydrochloride
    —— 4'-hydroxy-2',5'-dimethoxy-5-phenyl-3H-spiro[benzofuran-2,1'-cyclohexa[2,5]diene]-3-one 1350515-89-7 C21H18O5
    4'-hydroxy-2',5'-dimethoxy-5-phenyl-3H-spiro[benzofuran-2,1'-cyclohexa[2,5]diene]-3-one
    —— <4R-<4α(2E,4E),4aβ,7α(2S*,3E,5E),8β,8aβ>>-5-<hexahydro-7-<7-chloro-5-methyl-2-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-3,5-heptadienyl>-4a,8-dimethyl-2,5-dioxo-2H,5H-pyrano<3,4-e>-1,3-oxazin-4-yl>-4-methyl-2,4-pentadienal 152453-86-6 C29H44ClNO6Si
    <4R-<4α(2E,4E),4aβ,7α(2S*,3E,5E),8β,8aβ>>-5-<hexahydro-7-<7-chloro-5-methyl-2-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-3,5-heptadienyl>-4a,8-dimethyl-2,5-dioxo-2H,5H-pyrano<3,4-e>-1,3-oxazin-4-yl>-4-methyl-2,4-pentadienal
    —— 4-(benzoyl)-5-(4-chlorophenyl)-1-(5-deoxy-1,2-Oisopropylidene-α-D-xylofuranos-5-yl)-1H-1,2,3-triazole 1242261-27-3 C23H22ClN3O5
    4-(benzoyl)-5-(4-chlorophenyl)-1-(5-deoxy-1,2-Oisopropylidene-α-D-xylofuranos-5-yl)-1H-1,2,3-triazole
    —— 4-{5,7-difluoro-3-[(1S)-1-(pyrrolo[2,1-f][1,2.4]triazin-4-ylamino)ethyl]quinolin-2-yl}piperazin-2-one 1305350-28-0 C21H19F2N7O
    4-{5,7-difluoro-3-[(1S)-1-(pyrrolo[2,1-f][1,2.4]triazin-4-ylamino)ethyl]quinolin-2-yl}piperazin-2-one
    —— 4-benzyl-5-bromo-2-(3,4-methylenedioxyphenyl)pyridine 332133-94-5 C19H14BrNO2
    4-benzyl-5-bromo-2-(3,4-methylenedioxyphenyl)pyridine
    —— ((4R,5S)-5-((S)-1-((tert-butyldimethylsilyl)oxy)pent-4-yn-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol 1429861-90-4 C17H32O4Si
    ((4R,5S)-5-((S)-1-((tert-butyldimethylsilyl)oxy)pent-4-yn-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol
    —— 4-bromo-6-methyl-2-mercaptobenzothiazole 155596-89-7 C8H6BrNS2
    4-bromo-6-methyl-2-mercaptobenzothiazole
    —— 4,5-dichloro-9-oxo-9H-xanthene-3-yloxyacetic acid 104553-70-0 C15H8Cl2O5
    4,5-dichloro-9-oxo-9H-xanthene-3-yloxyacetic acid
    —— 4-(4-chlorobenzoyl)-5-(4-chlorophenyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-1H-1,2,3-triazole 1242261-31-9 C23H21Cl2N3O5
    4-(4-chlorobenzoyl)-5-(4-chlorophenyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-1H-1,2,3-triazole
    —— 4-(3-FORMYLPHENYL)-2-HYDROXYBENZOIC ACID 1261929-25-2 C14H10O4
    4-(3-FORMYLPHENYL)-2-HYDROXYBENZOIC ACID
    —— (+/-)-4-{[5-chloro-7-(2,6-dimethylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}morpholine 852122-31-7 C21H24ClNO2
    (+/-)-4-{[5-chloro-7-(2,6-dimethylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl}morpholine
    —— 4-hydroxy-5-methoxy-3-(3,4-methylenedioxyphenyl)-1-benzopyran-2-one 124010-47-5 C17H12O6
    4-hydroxy-5-methoxy-3-(3,4-methylenedioxyphenyl)-1-benzopyran-2-one
    —— 4,6-dichloro-2-cyclopropyl-5-ethylpyrimidine 617716-32-2 C9H10Cl2N2
    4,6-dichloro-2-cyclopropyl-5-ethylpyrimidine
    —— 4-[N-Methyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]aminomethyl]piperidine 427886-65-5 C22H31N3O3
    4-[N-Methyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]aminomethyl]piperidine
    —— 4-(benzoyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-5-(3-nitrophenyl)-1H-1,2,3-triazole 1242261-29-5 C23H22N4O7
    4-(benzoyl)-1-(5-deoxy-1,2-O-isopropylidene-α-D-xylofuranos-5-yl)-5-(3-nitrophenyl)-1H-1,2,3-triazole
    —— 4-[1-methyl-2-(2-piperazin-1-yl-phenoxy)-R-ethyl]-morpholine 444608-80-4 C17H27N3O2
    4-[1-methyl-2-(2-piperazin-1-yl-phenoxy)-R-ethyl]-morpholine
    —— 4,5-dichloro-3-hydroxy-9-oxo-9H-xanthene 104554-28-1 C13H6Cl2O3
    4,5-dichloro-3-hydroxy-9-oxo-9H-xanthene
    —— 4-(4-Methyl-1-homopiperazinyl)-1-(2-methylbenzenesulfonyl)-1H-indole 412048-83-0 C21H25N3O2S
    4-(4-Methyl-1-homopiperazinyl)-1-(2-methylbenzenesulfonyl)-1H-indole
    —— 4-Methyl-5-n-propyloxazol 27744-95-2 C7H11NO
    4-Methyl-5-n-propyloxazol
    —— 4-Hydroxymethyl-2-(3,4,5-trimethoxy-benzamido)thiazole 473844-33-6 C14H16N2O5S
    4-Hydroxymethyl-2-(3,4,5-trimethoxy-benzamido)thiazole
    —— 4-(diethylamino)butan-2-yl 2,2-diphenylpropanoate;hydron;chloride —— C23H32ClNO2
    4-(diethylamino)butan-2-yl 2,2-diphenylpropanoate;hydron;chloride
    —— (4S,5S)-5-((1S,7S)-1,7-bis(tert-butyldimethyl-silanyloxy)octyl)-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide 1309869-42-8 C28H59NO6Si2
    (4S,5S)-5-((1S,7S)-1,7-bis(tert-butyldimethyl-silanyloxy)octyl)-N-methoxy-N,2,2-trimethyl-1,3-dioxolane-4-carboxamide
    —— ((4R,5S)-5-((S)-1-((tert-butyldimethylsilyl)oxy)pent-4-en-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol 1231681-98-3 C17H34O4Si
    ((4R,5S)-5-((S)-1-((tert-butyldimethylsilyl)oxy)pent-4-en-1-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol
    —— 4-(m-Anisidino)-1-(tert-butoxycarbonyl)piperidine 501673-68-3 C17H26N2O3
    4-(m-Anisidino)-1-(tert-butoxycarbonyl)piperidine
    —— 4-(2-Hydroxyethyl)-2-(3,4,5-trimethoxyphenyl)thiazole 473844-21-2 C14H17NO4S
    4-(2-Hydroxyethyl)-2-(3,4,5-trimethoxyphenyl)thiazole
    —— 4-[4-(tert-Butyl-dimethyl-silanyloxy)-3-isopropyl-phenoxy]-3,5-dichloro-phenylamine 169113-77-3 C21H29Cl2NO2Si
    4-[4-(tert-Butyl-dimethyl-silanyloxy)-3-isopropyl-phenoxy]-3,5-dichloro-phenylamine
    —— 4-(2-(azidomethyl)phenyl)pyridine 870063-38-0 C12H10N4
    4-(2-(azidomethyl)phenyl)pyridine
    —— 4-(3-Hydroxypropyl)-2-(3,4,5-trimethoxy-phenyl)thiazole 473844-26-7 C15H19NO4S
    4-(3-Hydroxypropyl)-2-(3,4,5-trimethoxy-phenyl)thiazole
    —— 4H-Pyrido(1,2-a)pyrimidinium, 6,7,8,9-tetrahydro-3-carboxy-1,6-dimethyl-4-oxo-, methyl sulfate, isopropyl ester 33484-50-3 CH3O4S*C14H21N2O3
    4H-Pyrido(1,2-a)pyrimidinium, 6,7,8,9-tetrahydro-3-carboxy-1,6-dimethyl-4-oxo-, methyl sulfate, isopropyl ester
    —— (4-Chloro-phenyl)-(4-isocyanato-5,7-dimethyl-chroman-4-yl)-diazene 720684-46-8 C18H16ClN3O2
    (4-Chloro-phenyl)-(4-isocyanato-5,7-dimethyl-chroman-4-yl)-diazene
    —— 4-Amino-2-[[(3-chloro-4-methoxyphenyl)methyl]thio]-7(8H)-pteridinone 357612-98-7 C14H12ClN5O2S
    4-Amino-2-[[(3-chloro-4-methoxyphenyl)methyl]thio]-7(8H)-pteridinone
    —— 4-[N-ethyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]amino]piperidine 479057-67-5 C22H31N3O3
    4-[N-ethyl-N-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]amino]piperidine
    —— 4-Chloro-1-(4-chloro-phenyl)-5-m-tolyl-1H-pyrazole-3-carboxylic acid methyl ester 176231-08-6 C18H14Cl2N2O2
    4-Chloro-1-(4-chloro-phenyl)-5-m-tolyl-1H-pyrazole-3-carboxylic acid methyl ester
    —— 4-(Cyclohexylamino)-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidine 479057-68-6 C26H37N3O3
    4-(Cyclohexylamino)-1-[[2-(3,4,5-trimethoxyphenyl)pyridin-4-yl]methyl]piperidine
    —— 4-methanesulfinylphenethyl bromide 55153-95-2 C9H11BrOS
    4-methanesulfinylphenethyl bromide
    —— 4-Chloro-2-(3,4-dimethoxy-phenyl)-[1,3]thiazin-6-one 95642-56-1 C12H10ClNO3S
    4-Chloro-2-(3,4-dimethoxy-phenyl)-[1,3]thiazin-6-one
    —— 4-Morpholino-8-(1-naphthylmethyl-thio)-2-piperazino-pyrimido-[5,4-d]-pyrimidine 78552-21-3 C25H27N7OS
    4-Morpholino-8-(1-naphthylmethyl-thio)-2-piperazino-pyrimido-[5,4-d]-pyrimidine
    —— 4-(Dimethylphosphono)-3-hydroxy-4-(p-methoxyphenyl)-2-cyclopenten-1-one 73558-92-6 C14H17O6P
    4-(Dimethylphosphono)-3-hydroxy-4-(p-methoxyphenyl)-2-cyclopenten-1-one
    —— 4-(Diphenylmethoxy)-1-methylpiperidine 8-chlorotheophylline 34315-39-4 C26H31N5O3
    4-(Diphenylmethoxy)-1-methylpiperidine 8-chlorotheophylline
    —— 4-[2-ethoxycarbonyl-4-(4-methylsulfanylphenyl)butyryl]piperidine-1-carboxylic acid tert-butyl ester 919360-57-9 C24H35NO5S
    4-[2-ethoxycarbonyl-4-(4-methylsulfanylphenyl)butyryl]piperidine-1-carboxylic acid tert-butyl ester
    —— 4-[(2,2-Diethoxyethyl)thio]-1-(1 methylethyl)piperidine 156756-79-5 C14H29NO2S
    4-[(2,2-Diethoxyethyl)thio]-1-(1 methylethyl)piperidine
    —— 4-Hydroxy-N-(4-hydroxy-phenyl)-phthalimid 72823-31-5 C14H9NO4
    4-Hydroxy-N-(4-hydroxy-phenyl)-phthalimid
    —— 4-oxahexacyclo<7.6.0.0<sup>2,7</sup>.0<sup>3,14</sup>.0<sup>6,10</sup>.0<sup>11,15</sup>>pentadecan-12-en-5-one 161012-30-2 C14H14O2
    4-oxahexacyclo<7.6.0.0<sup>2,7</sup>.0<sup>3,14</sup>.0<sup>6,10</sup>.0<sup>11,15</sup>>pentadecan-12-en-5-one
    —— 4-(1-Oxido-thiomorpholino)-2-piperazino-8-(4-tolyl-thio)-pyrimido-[5,4-d]-pyrimidine 77777-31-2 C21H25N7OS2
    4-(1-Oxido-thiomorpholino)-2-piperazino-8-(4-tolyl-thio)-pyrimido-[5,4-d]-pyrimidine
    —— 4-Chloro-2-(3,4-dimethoxy-phenyl)-6-oxo-6H-[1,3]thiazine-5-carbaldehyde 95642-62-9 C13H10ClNO4S
    4-Chloro-2-(3,4-dimethoxy-phenyl)-6-oxo-6H-[1,3]thiazine-5-carbaldehyde