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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (4S,5R)-3,5-dibenzyl-4-isobutenyloxazolidin-2-one 115205-94-2 C21H23NO2
    (4S,5R)-3,5-dibenzyl-4-isobutenyloxazolidin-2-one
    —— 4-{1-[2-(2-bromophenyl)ethoxy]ethyl}-6-(2-methoxyphenyl)-2,2-dimethyl-2H-quinoline-1-carboxylic acid tert-butyl estert 666726-89-2 C33H38BrNO4
    4-{1-[2-(2-bromophenyl)ethoxy]ethyl}-6-(2-methoxyphenyl)-2,2-dimethyl-2H-quinoline-1-carboxylic acid tert-butyl estert
    —— 4-Nitrobenzyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[2-(3-pyrazolyl)ethylthio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 193683-81-7 C22H24N4O6S
    4-Nitrobenzyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3-[2-(3-pyrazolyl)ethylthio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
    —— 4-(2-hydroxyethoxy)-2-methyl-5,6-dihydro[1]benzothieno[3',2':2,3]thiepino[4,5-d]pyrimidine 1649436-79-2 C17H16N2O2S2
    4-(2-hydroxyethoxy)-2-methyl-5,6-dihydro[1]benzothieno[3',2':2,3]thiepino[4,5-d]pyrimidine
    —— (4E,4aS,9bR)-4-(diethylaminomethylidene)-8,9b-dimethyl-4aH-dibenzofuran-3-one 86657-80-9 C19H23NO2
    (4E,4aS,9bR)-4-(diethylaminomethylidene)-8,9b-dimethyl-4aH-dibenzofuran-3-one
    —— (4aRS,6SR,8aSR)-3,4,4a,5,6,7,8,8a-octahydro-6-[(1,1-dimethylethyl)dimethylsilyloxy]-2,5,5,8a-tetramethylnaphthalene-1-carboxaldehyde 856683-47-1 C21H38O2Si
    (4aRS,6SR,8aSR)-3,4,4a,5,6,7,8,8a-octahydro-6-[(1,1-dimethylethyl)dimethylsilyloxy]-2,5,5,8a-tetramethylnaphthalene-1-carboxaldehyde
    —— (4-bromophenyl)(4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrimidin-3-yl)methanone 1320264-28-5 C12H11BrN4O
    (4-bromophenyl)(4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrimidin-3-yl)methanone
    —— 4-(4-methyl-styryl)-[1,2,3]selenadiazole 73214-35-4 C11H10N2Se
    4-(4-methyl-styryl)-[1,2,3]selenadiazole
    —— 4-(4-Undecyloxy-phenylethynyl)-benzoic acid (S)-2-methyl-butyl ester 128345-28-8 C31H42O3
    4-(4-Undecyloxy-phenylethynyl)-benzoic acid (S)-2-methyl-butyl ester
    —— 4-methyl-6-(4-nitro-phenylsulfanyl)-quinolin-2-ol 854835-17-9 C16H12N2O3S
    4-methyl-6-(4-nitro-phenylsulfanyl)-quinolin-2-ol
    —— 4-[3-(3-Aminomethylbenzoyl)carbazoyl]-2-(carboxymethoxy)phenoxyacetic acid, trifluoroacetic acid salt 161949-08-2 C2HF3O2*C19H19N3O8
    4-[3-(3-Aminomethylbenzoyl)carbazoyl]-2-(carboxymethoxy)phenoxyacetic acid, trifluoroacetic acid salt
    —— (4R,5S)-5-Methoxymethoxymethyl-2,2-dimethyl-[1,3]dioxolane-4-carbaldehyde 130675-64-8 C9H16O5
    (4R,5S)-5-Methoxymethoxymethyl-2,2-dimethyl-[1,3]dioxolane-4-carbaldehyde
    —— 4-(5-Piperidin-1-yl-hexylsulfanyl)-phenol 57055-86-4 C17H27NOS
    4-(5-Piperidin-1-yl-hexylsulfanyl)-phenol
    —— 4-(2-(5-chloro-2-fluorophenyl)-5-methoxypyrimidin-4-ylamino)-N-(2-(3-ethylureido)ethyl)nicotinamide 911699-35-9 C22H23ClFN7O3
    4-(2-(5-chloro-2-fluorophenyl)-5-methoxypyrimidin-4-ylamino)-N-(2-(3-ethylureido)ethyl)nicotinamide
    —— (4-methoxymethoxy-phenyl)-acetic acid-(4-benzyloxy-3-methoxy-phenethylamide) 102946-37-2 C26H29NO5
    (4-methoxymethoxy-phenyl)-acetic acid-(4-benzyloxy-3-methoxy-phenethylamide)
    —— [4-(2-Methoxy-benzyl)-6-methyl-pyridazin-3-yl]-phenyl-amine 135066-58-9 C19H19N3O
    [4-(2-Methoxy-benzyl)-6-methyl-pyridazin-3-yl]-phenyl-amine
    —— 4-(2-{7-[2-(3,3-dimethyl-2-oxo-2,3-dihydro-1H-indol-1-yl)ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl}ethoxy)benzonitrile 942281-79-0 C27H32N4O3
    4-(2-{7-[2-(3,3-dimethyl-2-oxo-2,3-dihydro-1H-indol-1-yl)ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]non-3-yl}ethoxy)benzonitrile
    —— 4-Dicyclohexylphosphinyl-4-hydroxy-2,2,6,6-tetramethyl-piperidin 36471-49-5 C21H40NO4P
    4-Dicyclohexylphosphinyl-4-hydroxy-2,2,6,6-tetramethyl-piperidin
    —— 4,9-bis-benzenesulfonyl-1-(4,4'-dimethoxy-benzhydrylidene)-6,7-dimethyl-3a,4,9,9a-tetrahydro-1<i>H</i>-cyclopenta[<i>b</i>]quinoxaline 68150-58-3 C40H36N2O6S2
    4,9-bis-benzenesulfonyl-1-(4,4'-dimethoxy-benzhydrylidene)-6,7-dimethyl-3a,4,9,9a-tetrahydro-1<i>H</i>-cyclopenta[<i>b</i>]quinoxaline
    —— 4-(3-dibenzo[<i>b</i>,<i>f</i>]azepin-5-yl-2-methyl-propyl)-piperazine-1-carboxylic acid ethyl ester 30248-99-8 C25H31N3O2
    4-(3-dibenzo[<i>b</i>,<i>f</i>]azepin-5-yl-2-methyl-propyl)-piperazine-1-carboxylic acid ethyl ester
    —— 4-Oxo-pentanoic acid (2R,3S,3aR,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-yl ester 194031-41-9 C26H44N2O9Si2
    4-Oxo-pentanoic acid (2R,3S,3aR,9aR)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-yl ester
    —— 4-({2-[(4-chloro-2-methylphenyl)-amino]-1H-benzimidazol-5-yl}-oxy)-N-methylpyridine-2-carboxamide 611213-22-0 C21H18ClN5O2
    4-({2-[(4-chloro-2-methylphenyl)-amino]-1H-benzimidazol-5-yl}-oxy)-N-methylpyridine-2-carboxamide
    —— 4-tert-butyl-2-methylcyclopentane-1,3-dione 51036-35-2 C10H16O2
    4-tert-butyl-2-methylcyclopentane-1,3-dione
    —— 4-(1,3-Benzothiazol-2-yldiazenyl)-2-[[5-hydroxy-2-[(3-methoxyphenyl)diazenyl]phenyl]iminomethyl]phenol 951741-74-5 C27H20N6O3S
    4-(1,3-Benzothiazol-2-yldiazenyl)-2-[[5-hydroxy-2-[(3-methoxyphenyl)diazenyl]phenyl]iminomethyl]phenol
    —— 4-hexylsulfanyl-2-methyl-pent-2-ene 97030-43-8 C12H24S
    4-hexylsulfanyl-2-methyl-pent-2-ene
    —— 4-benzyloxy-3-methoxy-benzoic acid-(4-benzyloxy-3-methoxy-phenethylamide) 148235-48-7 C31H31NO5
    4-benzyloxy-3-methoxy-benzoic acid-(4-benzyloxy-3-methoxy-phenethylamide)
    —— 4-ethyl-4-hydroxy-6-(4-methoxyphenyl)hex-5-yn-3-one 1046785-65-2 C15H18O3
    4-ethyl-4-hydroxy-6-(4-methoxyphenyl)hex-5-yn-3-one
    —— 4-({1-methyl-2-[(4-methylphenyl)amino]-1H-benzimidazol-5-yl}oxy)-N-1,3-thiazol-2-ylpyridine-2-carboxamide 611218-58-7 C24H20N6O2S
    4-({1-methyl-2-[(4-methylphenyl)amino]-1H-benzimidazol-5-yl}oxy)-N-1,3-thiazol-2-ylpyridine-2-carboxamide
    —— 4,5-dihydro 4-piperonyl 3-paratolylsulfonyl 2,5,5-trimethylfuran 116471-54-6 C21H22O5S
    4,5-dihydro 4-piperonyl 3-paratolylsulfonyl 2,5,5-trimethylfuran
    —— 4-cyclohexyl-3,4,5,6,7,8-hexahydroimidazo[4,5-c]azepin-2-amine 1207462-73-4 C13H22N4
    4-cyclohexyl-3,4,5,6,7,8-hexahydroimidazo[4,5-c]azepin-2-amine
    —— 4,4''-Dimethoxy-2',4',6'-trinitro-m-terphenyl 20359-95-9 C20H15N3O8
    4,4''-Dimethoxy-2',4',6'-trinitro-m-terphenyl
    —— (4Z,6E)-(R)-5-Ethyl-7-((2R,6R)-6-isopropoxy-3,6-dihydro-2H-pyran-2-yl)-3-methyl-hepta-4,6-dien-1-ol 494844-49-4 C18H30O3
    (4Z,6E)-(R)-5-Ethyl-7-((2R,6R)-6-isopropoxy-3,6-dihydro-2H-pyran-2-yl)-3-methyl-hepta-4,6-dien-1-ol
    —— 4-acetamido-1-methoxy-N-[8-(4-chlorophenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide 188955-25-1 C28H30ClN3O3
    4-acetamido-1-methoxy-N-[8-(4-chlorophenylmethyl)-8-azabicyclo[3.2.1]oct-3-b-yl]-2-naphthalenecarboxamide
    —— 4-(2-Diethylamino-propyl)-1H-vic.-triazolo<4.5-d>pyridazin 22121-02-4 C11H19N7
    4-(2-Diethylamino-propyl)-1H-vic.-triazolo<4.5-d>pyridazin
    —— (4R)-5,5-dimethyl-8'-pyrazin-2-ylspiro[1,3-oxazole-4,3'-2,4-dihydro-1H-naphthalene]-2-amine 1221164-08-4 C18H20N4O
    (4R)-5,5-dimethyl-8'-pyrazin-2-ylspiro[1,3-oxazole-4,3'-2,4-dihydro-1H-naphthalene]-2-amine
    —— 4-[2-(4-chlorophenyl)-4-(4-chlorophenyl)-1H-imidazol-1-yl]benzenesulfonamide 189295-53-2 C21H15Cl2N3O2S
    4-[2-(4-chlorophenyl)-4-(4-chlorophenyl)-1H-imidazol-1-yl]benzenesulfonamide
    —— 4-(3-Aethoxy-butyl-2)-phenol 7074-16-0 C12H18O2
    4-(3-Aethoxy-butyl-2)-phenol
    —— 4-[2,4-Bis-(4-methyl-benzyloxy)-benzyl]-2-propyl-benzene-1,3-diol 885687-00-3 C32H34O4
    4-[2,4-Bis-(4-methyl-benzyloxy)-benzyl]-2-propyl-benzene-1,3-diol
    —— 4-<(4-aza-2,3-dihydrobenzofuran)-3-yl>butyronitrile 123552-80-7 C11H12N2O
    4-<(4-aza-2,3-dihydrobenzofuran)-3-yl>butyronitrile
    —— 4-ethynyl-5-[3-(4-methoxybenzyloxy)propyl]-2,2-dimethyl-[1,3]dioxolane 850166-88-0 C18H24O4
    4-ethynyl-5-[3-(4-methoxybenzyloxy)propyl]-2,2-dimethyl-[1,3]dioxolane
    —— 4-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-1-hydroxy-1-(4-fluorophenyl)butane hydrochloride 130375-55-2 C30H30FNO*ClH
    4-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-1-hydroxy-1-(4-fluorophenyl)butane hydrochloride
    —— 4-(3-ethyl-oxiranyl)-quinazoline 51369-86-9 C12H12N2O
    4-(3-ethyl-oxiranyl)-quinazoline
    —— 4,6-Pyrimidinediamine, N4-(3-methyl-2-pyridinyl)-5-nitro-N6-[4-(2-phenyldiazenyl)phenyl]- 888080-81-7 C22H18N8O2
    4,6-Pyrimidinediamine, N4-(3-methyl-2-pyridinyl)-5-nitro-N6-[4-(2-phenyldiazenyl)phenyl]-
    —— 4.5,10-Trichloro-9-antracenecarbaldehyde 96404-25-0 C15H7Cl3O
    4.5,10-Trichloro-9-antracenecarbaldehyde
    —— 4-benzoylamino-6,6-diethyl-2-phenyl-4<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidine-5,7-dione 54505-99-6 C22H21N5O3
    4-benzoylamino-6,6-diethyl-2-phenyl-4<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidine-5,7-dione
    —— 4-nitro-<i>N</i>-{2-[4-(1-oxy-pyridin-2-yl)-piperazin-1-yl]-ethyl}-benzamide 30198-97-1 C18H21N5O4
    4-nitro-<i>N</i>-{2-[4-(1-oxy-pyridin-2-yl)-piperazin-1-yl]-ethyl}-benzamide
    —— 4-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-2-[2-oxo-3-(2-thiophen-2-yl-acetylamino)-azetidin-1-yl]-but-2-enoic acid 63855-52-7 C20H20N6O4S5
    4-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-2-[2-oxo-3-(2-thiophen-2-yl-acetylamino)-azetidin-1-yl]-but-2-enoic acid
    —— 4-acetyl-5-hydroxy-2-pentylfuro<2,3-a>anthracene-6,11-dione 111649-80-0 C23H20O5
    4-acetyl-5-hydroxy-2-pentylfuro<2,3-a>anthracene-6,11-dione
    —— (4S,2Z)-4-[(tert-Butoxycarbonyl)amino]-O-methylsulfonyl-6-methylhept-2-en-1-ol 220652-33-5 C14H27NO5S
    (4S,2Z)-4-[(tert-Butoxycarbonyl)amino]-O-methylsulfonyl-6-methylhept-2-en-1-ol
    —— 4-amino-3-methyl-6-phenylthieno<2,3-b>pyridine-2,5-dicarbonitrile 129832-96-8 C16H10N4S
    4-amino-3-methyl-6-phenylthieno<2,3-b>pyridine-2,5-dicarbonitrile