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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Hydroxy-2-(phenylmethyl)isoquinolinium 719267-99-9 C16H14NO+
    4-Hydroxy-2-(phenylmethyl)isoquinolinium
    —— (4S,2E)-3-[5-(N-phthalimido)-1-oxo-2-pentenyl]-4-phenyl-2-oxazolidinone 600155-24-6 C22H18N2O5
    (4S,2E)-3-[5-(N-phthalimido)-1-oxo-2-pentenyl]-4-phenyl-2-oxazolidinone
    —— 4-<Diphenyl(trimethylsilyl)methyl>-N-methylbenzenamine 143143-28-6 C23H27NSi
    4-<Diphenyl(trimethylsilyl)methyl>-N-methylbenzenamine
    —— (4S,5R,E)-4,6-diacetyloxy-5-benzyloxy-2-hexenal trimethylenedithioacetal 263388-26-7 C20H26O5S2
    (4S,5R,E)-4,6-diacetyloxy-5-benzyloxy-2-hexenal trimethylenedithioacetal
    —— 4-O-(1'-imidazolylcarbonyloxy)-2,3:5,6-di-O-isopropylidene-1-O-benzyl-scyllo-inositol 863892-00-6 C23H28N2O7
    4-O-(1'-imidazolylcarbonyloxy)-2,3:5,6-di-O-isopropylidene-1-O-benzyl-scyllo-inositol
    —— 4-oxo-but-1-yl[2-(2-hydroxyprop-2-yl)phenyl]diisopropylsilane 1239384-19-0 C19H32O2Si
    4-oxo-but-1-yl[2-(2-hydroxyprop-2-yl)phenyl]diisopropylsilane
    —— 4-chloro-2-methyl-1-phenyl-6,7-dihydro-1H-indole-5-carbaldehyde 853730-77-5 C16H14ClNO
    4-chloro-2-methyl-1-phenyl-6,7-dihydro-1H-indole-5-carbaldehyde
    —— 4-(2-hydroxyphenyl)-5-(4-methoxyphenyl)-N,N-dimethylpyrimidine-2-carboxamide 1119201-25-0 C20H19N3O3
    4-(2-hydroxyphenyl)-5-(4-methoxyphenyl)-N,N-dimethylpyrimidine-2-carboxamide
    —— 4-(benzo[d][1,3]dioxol-5-ylmethyl)-3-(2,4-dihydroxy-5-isopropylphenyl)-4,5-dihydro-1,2,4-triazin-6(1H)-one 1065208-46-9 C20H21N3O5
    4-(benzo[d][1,3]dioxol-5-ylmethyl)-3-(2,4-dihydroxy-5-isopropylphenyl)-4,5-dihydro-1,2,4-triazin-6(1H)-one
    —— 4-(2-chloro-ethyl)-3-methyl-2,3,4,5-tetrahydro-benz[<i>f</i>][1,4]oxazepine; hydrochloride 108650-51-7 C12H16ClNO*ClH
    4-(2-chloro-ethyl)-3-methyl-2,3,4,5-tetrahydro-benz[<i>f</i>][1,4]oxazepine; hydrochloride
    —— 4-oxo-7-styryl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid 93326-83-1 C17H12N2O3
    4-oxo-7-styryl-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid
    —— 4-(3-fluoro-phenyl)-5-hydroxymethyl-2-methyl-pyrimidine 1030015-16-7 C12H11FN2O
    4-(3-fluoro-phenyl)-5-hydroxymethyl-2-methyl-pyrimidine
    —— 4-(5-methoxy-2-methyl-1H-indol-3-yl)thiochroman-2-one 1582285-52-6 C19H17NO2S
    4-(5-methoxy-2-methyl-1H-indol-3-yl)thiochroman-2-one
    —— 4-(5-(7-(5'-(7-(5-hexylthiophen-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dithiin-5-yl)-[2,2'-bithiophen]-5-yl)-2,3-dihydrothieno[3,4-b][1,4]dithiin-5-yl)thiophen-2-yl)-N,N-dimethylaniline 1377616-92-6 C42H39NS10
    4-(5-(7-(5'-(7-(5-hexylthiophen-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dithiin-5-yl)-[2,2'-bithiophen]-5-yl)-2,3-dihydrothieno[3,4-b][1,4]dithiin-5-yl)thiophen-2-yl)-N,N-dimethylaniline
    —— 4-methyl-2-methylenepent-4-enyl 3-(4-tolyl)prop-2-ynyl ether 1015098-64-2 C17H20O
    4-methyl-2-methylenepent-4-enyl 3-(4-tolyl)prop-2-ynyl ether
    —— 4,5-diethoxy-1,7,9-trimethyl-tetrahydro-purine-2,6,8-trione 861521-40-6 C12H20N4O5
    4,5-diethoxy-1,7,9-trimethyl-tetrahydro-purine-2,6,8-trione
    —— (4S,5S)-3-Methyl-5-((E)-(R)-1-methyl-pent-3-enyl)-2-oxo-oxazolidine-4-carboxylic acid 113215-40-0 C11H17NO4
    (4S,5S)-3-Methyl-5-((E)-(R)-1-methyl-pent-3-enyl)-2-oxo-oxazolidine-4-carboxylic acid
    —— 4-hydroxy-6-(1H-indol-6-yl)-5-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426527-92-5 C15H12N2O4
    4-hydroxy-6-(1H-indol-6-yl)-5-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 4-{[4-(5,6-dimethyl-2-pyridin-2-ylpyridin-3-yl)oxypyridin-2-yl]amino}benzoic acid 1117686-20-0 C24H20N4O3
    4-{[4-(5,6-dimethyl-2-pyridin-2-ylpyridin-3-yl)oxypyridin-2-yl]amino}benzoic acid
    —— 4-(N-Acetyl-benzoylamino)-1-phenyl-imidazol-5-carbonsaeure-2-hydroxyethylamid 107001-35-4 C21H20N4O4
    4-(N-Acetyl-benzoylamino)-1-phenyl-imidazol-5-carbonsaeure-2-hydroxyethylamid
    —— 4-(2,2-bis(4-chlorophenyl)vinyl)-6-tert-butyl-2,2-bis(ethoxymethyl)-1,2-dihydronaphthalene 1158805-92-5 C34H38Cl2O2
    4-(2,2-bis(4-chlorophenyl)vinyl)-6-tert-butyl-2,2-bis(ethoxymethyl)-1,2-dihydronaphthalene
    —— 4-Pentyl-cyclohexanecarboxylic acid 4-(5-heptyl-[1,3,4]thiadiazol-2-yl)-phenyl ester 118808-25-6 C27H40N2O2S
    4-Pentyl-cyclohexanecarboxylic acid 4-(5-heptyl-[1,3,4]thiadiazol-2-yl)-phenyl ester
    —— 4-methyl-N-[[2-[4-(trifluoromethyl)phenyl]phenyl]methylidene]benzenesulfonamide 1292302-57-8 C21H16F3NO2S
    4-methyl-N-[[2-[4-(trifluoromethyl)phenyl]phenyl]methylidene]benzenesulfonamide
    —— 4-Amino-1-methyl-2-methylsulfanyl-6-oxopyrimidine-5-carbaldehyde 1228343-85-8 C7H9N3O2S
    4-Amino-1-methyl-2-methylsulfanyl-6-oxopyrimidine-5-carbaldehyde
    —— 4-(Benzylamino)-5-methyl-5-phenylfuran-2-one 1153891-34-9 C18H17NO2
    4-(Benzylamino)-5-methyl-5-phenylfuran-2-one
    —— (4-Hydroxy-phenyl)-methyl-thiocarbamic acid O-naphthalen-2-yl ester 3448-71-3 C18H15NO2S
    (4-Hydroxy-phenyl)-methyl-thiocarbamic acid O-naphthalen-2-yl ester
    —— 4-bromo-7-hydroxy-2a,8-dihydro-2H-azeto[2,1-b][1,3]benzoxazin-1-one 1137609-89-2 C10H8BrNO3
    4-bromo-7-hydroxy-2a,8-dihydro-2H-azeto[2,1-b][1,3]benzoxazin-1-one
    —— 4-(4-fluorophenyl)-5-iodo-1-((phenylthio)methyl)-1H-1,2,3-triazole 1262782-85-3 C15H11FIN3S
    4-(4-fluorophenyl)-5-iodo-1-((phenylthio)methyl)-1H-1,2,3-triazole
    —— (4R,8R,9R)-isocaryolane-8,9,15-triol 1323437-48-4 C15H26O3
    (4R,8R,9R)-isocaryolane-8,9,15-triol
    —— (4S,5S,6S)-3-(tert-Butyloxycarbonyl)-6-<4-(tert-butyloxycarbonyl)phenyl>-tetrahydro-5-methyl-2H-1,3-oxazin-4-carbonsaeure 109530-98-5 C22H31NO8
    (4S,5S,6S)-3-(tert-Butyloxycarbonyl)-6-<4-(tert-butyloxycarbonyl)phenyl>-tetrahydro-5-methyl-2H-1,3-oxazin-4-carbonsaeure
    —— 4-<2-Allylsulfonyl-1,2-dicyan-vinyl>-N,N-dimethyl-anilin 7331-67-1 C15H15N3O2S
    4-<2-Allylsulfonyl-1,2-dicyan-vinyl>-N,N-dimethyl-anilin
    —— (4R*,5R*,6S*)-2-methoxy-2,4,5-trimethyl-6-phenyltetrahydropyran 139926-66-2 C15H22O2
    (4R*,5R*,6S*)-2-methoxy-2,4,5-trimethyl-6-phenyltetrahydropyran
    —— 4-O-acetyl-1,6-anhydro-3-C-[2,6-anhydro-1-deoxy-3,4,5,7-tetrakis-O-acetyl-D-glycero-L-mannoheptitol-1-C-yl]-2-azido-2,3-dideoxy-β-D-galactohexopyranose 1403496-93-4 C23H31N3O13
    4-O-acetyl-1,6-anhydro-3-C-[2,6-anhydro-1-deoxy-3,4,5,7-tetrakis-O-acetyl-D-glycero-L-mannoheptitol-1-C-yl]-2-azido-2,3-dideoxy-β-D-galactohexopyranose
    —— 4-Acetylamino-1-amino-9,10-dioxo-9,10-dihydro-anthracene-2-carboxylic acid allyl ester 94464-25-2 C20H16N2O5
    4-Acetylamino-1-amino-9,10-dioxo-9,10-dihydro-anthracene-2-carboxylic acid allyl ester
    —— (4-p-Tolyloxythiocarbonylamino-phenyl)-thiocarbamic acid O-p-tolyl ester 31849-38-4 C22H20N2O2S2
    (4-p-Tolyloxythiocarbonylamino-phenyl)-thiocarbamic acid O-p-tolyl ester
    —— 4-(4'-cyanobiphenyl-4-yl)-N-hydroxy-2-(methylsulfonyl)butanamide 1289620-88-7 C18H18N2O4S
    4-(4'-cyanobiphenyl-4-yl)-N-hydroxy-2-(methylsulfonyl)butanamide
    —— 4-(C-cyclopropyl-methyl)semicarbazide 1057393-54-0 C5H11N3O
    4-(C-cyclopropyl-methyl)semicarbazide
    —— 4-hydroxy-2,2-dimethyl-4-[2-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-ylsulphonyl)thien-4-yl]tetrahydropyran 166882-79-7 C21H25NO5S2
    4-hydroxy-2,2-dimethyl-4-[2-(1-methyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-ylsulphonyl)thien-4-yl]tetrahydropyran
    —— 4-(benzo[d][1,3]dioxol-5-yl)-1-(4-fluorophenyl)-1H-pyrazole 877243-13-5 C16H11FN2O2
    4-(benzo[d][1,3]dioxol-5-yl)-1-(4-fluorophenyl)-1H-pyrazole
    —— 4-[(3-Chloro-4-fluorophenyl)amino]-6-[4-(2-aminoethyl)cyclohexylamino]pyrimido[5,4-d]pyrimidine 1230891-17-4 C20H23ClFN7
    4-[(3-Chloro-4-fluorophenyl)amino]-6-[4-(2-aminoethyl)cyclohexylamino]pyrimido[5,4-d]pyrimidine
    —— 4-Iodo-3',4',5'-trifluorobenzophenone 951888-51-0 C13H6F3IO
    4-Iodo-3',4',5'-trifluorobenzophenone
    —— 4-(Chloro-ethoxy-methyl)-2-fluoro-1-methoxy-benzene 35368-06-0 C10H12ClFO2
    4-(Chloro-ethoxy-methyl)-2-fluoro-1-methoxy-benzene
    —— 4-(4-methyl-benzothiazol-2-yl)-allophanic acid ethyl ester 65373-06-0 C12H13N3O3S
    4-(4-methyl-benzothiazol-2-yl)-allophanic acid ethyl ester
    —— 4-Methyl-4-[(Z)-2-(1-methyl-1H-benzoimidazol-2-yl)-vinyloxy]-pentan-2-one 39656-90-1 C16H20N2O2
    4-Methyl-4-[(Z)-2-(1-methyl-1H-benzoimidazol-2-yl)-vinyloxy]-pentan-2-one
    —— 4-hydroxy-2-[2-(2-methoxyethoxy)phenyl]-3-(2-methylpropanoyl)-1-[4-(1,2-oxazol-3-yl)phenyl]-2H-pyrrol-5-one 1219488-67-1 C26H26N2O6
    4-hydroxy-2-[2-(2-methoxyethoxy)phenyl]-3-(2-methylpropanoyl)-1-[4-(1,2-oxazol-3-yl)phenyl]-2H-pyrrol-5-one
    —— 4-Chloro-5-(1-ethyl-propoxy)-7-methyl-1-(2,4,6-trimethyl-phenyl)-1H-pyrido[2,3-d]pyrimidin-2-one 204062-54-4 C22H26ClN3O2
    4-Chloro-5-(1-ethyl-propoxy)-7-methyl-1-(2,4,6-trimethyl-phenyl)-1H-pyrido[2,3-d]pyrimidin-2-one
    —— 4-(4-isopropyl-phenyl)-2-morpholin-4-yl-4-oxo-butyric acid 71994-95-1 C17H23NO4
    4-(4-isopropyl-phenyl)-2-morpholin-4-yl-4-oxo-butyric acid
    —— 4-(tert-butyl)-2-(phenylethynyl)phenol 122778-94-3 C18H18O
    4-(tert-butyl)-2-(phenylethynyl)phenol
    —— 4-(1-{1-[1-(4-ethoxycarbonyl-thiazol-2-yl)-2-methyl-2,3-bis-triethylsilanyloxy-butylcarbamoyl]-2-hydroxy-ethylthiocarbamoyl}-2-phenylselanyl-propylcarbamoyl)-2,2,5-trimethyl-oxazolidine-3-carboxylic acid 2-trimethylsilanyl-ethyl ester 710354-59-9 C49H85N5O10S2SeSi3
    4-(1-{1-[1-(4-ethoxycarbonyl-thiazol-2-yl)-2-methyl-2,3-bis-triethylsilanyloxy-butylcarbamoyl]-2-hydroxy-ethylthiocarbamoyl}-2-phenylselanyl-propylcarbamoyl)-2,2,5-trimethyl-oxazolidine-3-carboxylic acid 2-trimethylsilanyl-ethyl ester
    —— 4-(triphenylsilyl)-2-butyn-1-ol 137200-49-8 C22H20OSi
    4-(triphenylsilyl)-2-butyn-1-ol