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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-((4-triphenylamino)ethynyl)benzaldehyde 1233529-50-4 C27H19NO
    4-((4-triphenylamino)ethynyl)benzaldehyde
    —— 4-iodo-1-(2-methoxy-2-methyl-propyl)-1H-pyrazole 1298032-46-8 C8H13IN2O
    4-iodo-1-(2-methoxy-2-methyl-propyl)-1H-pyrazole
    —— (4R,5S)-4-<<(benzyloxy)carbonyl>amino>-3-hydroxy-5-methyl-heptanoic acid, (1S,2S,3R)-4-<(tert-butyldimethylsilyl)oxy>-1-isopropyl-2-(methoxymethoxy)-3-methylbutyl ester 126587-70-0 C32H57NO8Si
    (4R,5S)-4-<<(benzyloxy)carbonyl>amino>-3-hydroxy-5-methyl-heptanoic acid, (1S,2S,3R)-4-<(tert-butyldimethylsilyl)oxy>-1-isopropyl-2-(methoxymethoxy)-3-methylbutyl ester
    —— 4-Ethylnicotine 101926-74-3 C12H18N2
    4-Ethylnicotine
    —— (4S,5R)-4,5-Dipropyl-[1,3,2]dioxathiolane 2,2-dioxide 133786-87-5 C8H16O4S
    (4S,5R)-4,5-Dipropyl-[1,3,2]dioxathiolane 2,2-dioxide
    —— 4-[(4-carboxy-3,5-dimethylpyrrol-2-yl)methylene]-3-isopropoxy-2-pyrazolin-5-one 324548-53-0 C14H17N3O4
    4-[(4-carboxy-3,5-dimethylpyrrol-2-yl)methylene]-3-isopropoxy-2-pyrazolin-5-one
    —— 4-[[1,3-Bis(3-chlorophenyl)-4-[(6-methyl-3-methylsulfanyl-5-oxo-1,2,4-triazin-4-yl)imino]-1,3-diazetidin-2-ylidene]amino]-6-methyl-3-methylsulfanyl-1,2,4-triazin-5-one 111981-40-9 C24H20Cl2N10O2S2
    4-[[1,3-Bis(3-chlorophenyl)-4-[(6-methyl-3-methylsulfanyl-5-oxo-1,2,4-triazin-4-yl)imino]-1,3-diazetidin-2-ylidene]amino]-6-methyl-3-methylsulfanyl-1,2,4-triazin-5-one
    —— 4-(5-(1-(4-amino-2-methylphenyl)-1H-imidazol-2-yl)furan-2-yl)benzonitrile 1620477-22-6 C21H16N4O
    4-(5-(1-(4-amino-2-methylphenyl)-1H-imidazol-2-yl)furan-2-yl)benzonitrile
    —— <4-13C>-3,4-Epoxyprecocene II 114195-71-0 C13H16O4
    <4-13C>-3,4-Epoxyprecocene II
    —— 4-propylamino-benzoic acid-(2-diethylamino-ethyl ester) 16488-54-3 C16H26N2O2
    4-propylamino-benzoic acid-(2-diethylamino-ethyl ester)
    —— (4S,5R,6S)-4-{[(S)-1-Carboxy-2-(1H-indol-3-yl)-ethylcarbamoyl]-methyl}-6-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-5-vinyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester 500711-75-1 C36H42N2O16
    (4S,5R,6S)-4-{[(S)-1-Carboxy-2-(1H-indol-3-yl)-ethylcarbamoyl]-methyl}-6-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-5-vinyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester
    —— 4-benzylamino-benzoic acid-(2-diethylamino-ethyl ester) 860695-65-4 C20H26N2O2
    4-benzylamino-benzoic acid-(2-diethylamino-ethyl ester)
    —— 4-<5-(3,4-dimethylisooxazolyl)sulphamyl>-2'-hydroxy-5'-chlorobenzylidene aniline 125212-14-8 C18H16ClN3O4S
    4-<5-(3,4-dimethylisooxazolyl)sulphamyl>-2'-hydroxy-5'-chlorobenzylidene aniline
    —— [4,4’,4’’-tri-tert-butylpyridine]Rh(methyl)(Cl)2 1610625-03-0 C28H38Cl2N3Rh
    [4,4’,4’’-tri-tert-butylpyridine]Rh(methyl)(Cl)2
    —— [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl 9-oxooctadec-10-ynoate 1632125-16-6 C24H40O5
    [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl 9-oxooctadec-10-ynoate
    —— (4-(((R)-1-carboxy-2-mercaptoethyl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-leucine 1276116-55-2 C17H28N6O4S
    (4-(((R)-1-carboxy-2-mercaptoethyl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-leucine
    —— 4-Hydroxy-3-methoxy-17-methyl-5,6-didehydro-7α,8α-epoxyethano-morphinan 76971-62-5 C20H25NO3
    4-Hydroxy-3-methoxy-17-methyl-5,6-didehydro-7α,8α-epoxyethano-morphinan
    —— 4-(tert-butyl) 6-ethyl 2-phenylpyrimidine-4,6-dicarboxylate 1542167-02-1 C18H20N2O4
    4-(tert-butyl) 6-ethyl 2-phenylpyrimidine-4,6-dicarboxylate
    —— (4R,4aR,7R,7aR,12bS)-3-methyl-7-[(2-nitrophenyl)disulfanyl]-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol 119931-37-2 C23H22N2O4S2
    (4R,4aR,7R,7aR,12bS)-3-methyl-7-[(2-nitrophenyl)disulfanyl]-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol
    —— 4-Morpholin-4-yl-piperidine-1-carboxylic acid (S)-4,11-diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester 105136-64-9 C32H36N4O7
    4-Morpholin-4-yl-piperidine-1-carboxylic acid (S)-4,11-diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester
    —— 4-(2-Oxo-2-pyrrolidin-1-yl-ethyl)-piperazine-1-carbonyl chloride 136539-46-3 C11H18ClN3O2
    4-(2-Oxo-2-pyrrolidin-1-yl-ethyl)-piperazine-1-carbonyl chloride
    —— (4R,14R)-14-acetamido-4-carboxy-9-ethyl-2-oxo-6,12-dithia-3,9-diazapentadecan-15-oic-7,8,10,11-13C4 acid compound with 2,2,2-trifluoroacetic acid (1:1) 1391930-81-6 C2HF3O2*C16H29N3O6S2
    (4R,14R)-14-acetamido-4-carboxy-9-ethyl-2-oxo-6,12-dithia-3,9-diazapentadecan-15-oic-7,8,10,11-13C4 acid compound with 2,2,2-trifluoroacetic acid (1:1)
    —— (4R,14R)-14-acetamido-9-(2-(((R)-2-acetamido-2-carboxyethyl)thio)ethyl-1,2-13C2)-4-carboxy-2-oxo-6,12-dithia-3,9-diazapentadecan-15-oic-7,8,10,11-13C4 acid compound with 2,2,2-trifluoroacetic acid (1:1) 1391930-47-4 C2HF3O2*C21H36N4O9S3
    (4R,14R)-14-acetamido-9-(2-(((R)-2-acetamido-2-carboxyethyl)thio)ethyl-1,2-13C2)-4-carboxy-2-oxo-6,12-dithia-3,9-diazapentadecan-15-oic-7,8,10,11-13C4 acid compound with 2,2,2-trifluoroacetic acid (1:1)
    —— 4,5-dimethoxy-2-styrylbenzonitrile 1373919-44-8 C17H15NO2
    4,5-dimethoxy-2-styrylbenzonitrile
    —— 4α-acetoxy-2α-benzoyIoxy-5β,20-epoxy-1β,13α-dihydroxy-10β-methoxy-9-oxo-7β-triethylsilyloxy-11-taxene 160084-70-8 C36H52O10Si
    4α-acetoxy-2α-benzoyIoxy-5β,20-epoxy-1β,13α-dihydroxy-10β-methoxy-9-oxo-7β-triethylsilyloxy-11-taxene
    —— (4R,5S)-2-[(4-ethoxyphenyl)methyl]-4-methyl-5-phenyl-4,5-dihydro-1,3-oxazole 192710-57-9 C19H21NO2
    (4R,5S)-2-[(4-ethoxyphenyl)methyl]-4-methyl-5-phenyl-4,5-dihydro-1,3-oxazole
    —— 4b-acetoxy-8c,8d-dibenzoyl-4b,8b,8c,8d-tetrahydrodibenzo<a,f>cyclopropa<c,d>pentalene 96555-80-5 C32H22O4
    4b-acetoxy-8c,8d-dibenzoyl-4b,8b,8c,8d-tetrahydrodibenzo<a,f>cyclopropa<c,d>pentalene
    —— (4R,4aR,7aR,12bS)-9-hydroxy-3-methyl-5-phenyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one 120293-19-8 C23H23NO3
    (4R,4aR,7aR,12bS)-9-hydroxy-3-methyl-5-phenyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
    —— 4-O-(dimethoxyphosphoryl)-D-trehalose 1417910-66-7 C14H27O14P
    4-O-(dimethoxyphosphoryl)-D-trehalose
    —— 4-[2-(5-methanesulfonylindol-1-ylmethyl)pyridin-5-yl]piperidine 1268816-43-8 C20H23N3O2S
    4-[2-(5-methanesulfonylindol-1-ylmethyl)pyridin-5-yl]piperidine
    —— 4,5α-epoxy-17-(4-nitro-benzyl)-morphin-7-ene-3,6α-diol 20827-51-4 C23H22N2O5
    4,5α-epoxy-17-(4-nitro-benzyl)-morphin-7-ene-3,6α-diol
    —— 4-[(2-hydroxy-3-methoxyphenyl)methylideneamino]-N-(4-methoxy-1,2,5-thiadiazol-3-yl)benzenesulfonamide 934971-53-6 C17H16N4O5S2
    4-[(2-hydroxy-3-methoxyphenyl)methylideneamino]-N-(4-methoxy-1,2,5-thiadiazol-3-yl)benzenesulfonamide
    —— 4,5-epoxy-17-methyl-(5α,6α)-morphinan-3,6-diol 3-benzoate 6-acetate 1403776-86-2 C26H27NO5
    4,5-epoxy-17-methyl-(5α,6α)-morphinan-3,6-diol 3-benzoate 6-acetate
    —— 4-Oxy-phenyl-alanino-N-propionsaeure-amid 91558-62-2 C12H16N2O4
    4-Oxy-phenyl-alanino-N-propionsaeure-amid
    —— (((4-((((4-((((4-(2-phenylacetamido)benzyl)oxy)carbonyl)amino)benzyl)oxy)carbonyl)amino)benzyl)oxy)carbonyl)-L-tryptophan 1023739-84-5 C43H39N5O9
    (((4-((((4-((((4-(2-phenylacetamido)benzyl)oxy)carbonyl)amino)benzyl)oxy)carbonyl)amino)benzyl)oxy)carbonyl)-L-tryptophan
    —— 4-Pyridin-2-yl-piperazine-1-carboxylic acid (S)-4,11-diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester 136539-39-4 C32H31N5O6
    4-Pyridin-2-yl-piperazine-1-carboxylic acid (S)-4,11-diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-tetrahydro-1H-2-oxa-6,12a-diaza-dibenzo[b,h]fluoren-9-yl ester
    —— 4',6'-O-benzylidene-penta-N-benzyloxycarbonyl paromomycin 845883-89-8 C70H79N5O24
    4',6'-O-benzylidene-penta-N-benzyloxycarbonyl paromomycin
    —— 4(5)-[bis(dimethylamino)phosphoroselenoyl]-1,3-dimethyl-2-phenyl-1H-imidazolium chloride 1239365-28-6 C15H24N4PSe*Cl
    4(5)-[bis(dimethylamino)phosphoroselenoyl]-1,3-dimethyl-2-phenyl-1H-imidazolium chloride
    —— (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-tyrosine 1276116-11-0 C23H33N7O4
    (4-(((S)-1-amino-4-methyl-1-oxopentan-2-yl)amino)-6-(piperidin-1-yl)-1,3,5-triazin-2-yl)-L-tyrosine
    —— 4-[2-amino-5-(cyclohexyl-methyl-carbamoyl)-benzoimidazol-1-yl]-butyric acid ethyl ester 529505-87-1 C21H30N4O3
    4-[2-amino-5-(cyclohexyl-methyl-carbamoyl)-benzoimidazol-1-yl]-butyric acid ethyl ester
    —— 4-fluoro-2-(2,2,2-trifluoroethoxy)aniline 186386-90-3 C8H7F4NO
    4-fluoro-2-(2,2,2-trifluoroethoxy)aniline
    —— 4-(acetyl-O-methoxyoxime)-1,3-dimethyl-1H-pyrazol-5-ol 1431522-75-6 C8H13N3O2
    4-(acetyl-O-methoxyoxime)-1,3-dimethyl-1H-pyrazol-5-ol
    —— 4-(acetyl-O-methoxyoxime)-4-bromo-3-methy-1-phenyl-1H-pyrazol-5(4H)-one 1354791-02-8 C13H14BrN3O2
    4-(acetyl-O-methoxyoxime)-4-bromo-3-methy-1-phenyl-1H-pyrazol-5(4H)-one
    —— 4-chloro-N-[2-chloro-1-cyano-2-(4-methylphenyl)sulfanylethenyl]benzamide 1338248-72-8 C17H12Cl2N2OS
    4-chloro-N-[2-chloro-1-cyano-2-(4-methylphenyl)sulfanylethenyl]benzamide
    —— (4S,6S)-4,6-diethyl-4-ethynyl-2-phenyl-6-vinyl-1,3-dioxane 916502-01-7 C18H22O2
    (4S,6S)-4,6-diethyl-4-ethynyl-2-phenyl-6-vinyl-1,3-dioxane
    —— 4-(5-(1-(4-amino-2-fluorophenyl)-1H-imidazol-2-yl)furan-2-yl)benzonitrile 1620477-20-4 C20H13FN4O
    4-(5-(1-(4-amino-2-fluorophenyl)-1H-imidazol-2-yl)furan-2-yl)benzonitrile
    —— 4-(10-dihydroartemisininoxy)butyric acid 216977-62-7 C19H30O7
    4-(10-dihydroartemisininoxy)butyric acid
    —— 4-(4-chlorophenyl)-2-phenylpyrimidine 1292783-81-3 C16H11ClN2
    4-(4-chlorophenyl)-2-phenylpyrimidine
    —— 4-Pyridin-2-yl-2,2-bis-trifluoromethyl-2H-chromene-6-carbonitrile 206052-80-4 C17H8F6N2O
    4-Pyridin-2-yl-2,2-bis-trifluoromethyl-2H-chromene-6-carbonitrile
    —— 4-(4-Dimethylamino-phenyl)-4-phenyl-4H-phthalazin-1-one 76763-94-5 C22H19N3O
    4-(4-Dimethylamino-phenyl)-4-phenyl-4H-phthalazin-1-one