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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-carbamimidoyl semicarbazide; dihydrochloride 28787-22-6 C2H7N5O*2ClH
    4-carbamimidoyl semicarbazide; dihydrochloride
    —— 4-benzyl-1,3-dimethylpyrazol-5-one 40040-68-4 C12H14N2O
    4-benzyl-1,3-dimethylpyrazol-5-one
    —— 4,6-bis-benzyloxy-2-hydroxy-4'-methoxy-3-methyl-deoxybenzoin 857561-93-4 C30H28O5
    4,6-bis-benzyloxy-2-hydroxy-4'-methoxy-3-methyl-deoxybenzoin
    —— (4α,4aα,8aβ)-4a,5,6,7,8,8a-hexahydro-8a-hydroxy-4-phenyl-4H-3,1-benzothiazine-2(1H)-thione 110660-30-5 C14H17NOS2
    (4α,4aα,8aβ)-4a,5,6,7,8,8a-hexahydro-8a-hydroxy-4-phenyl-4H-3,1-benzothiazine-2(1H)-thione
    —— (4-Fluoro-phenyl)-(3-oxa-7-aza-bicyclo[3.3.1]non-7-yl)-methanone 251904-90-2 C14H16FNO2
    (4-Fluoro-phenyl)-(3-oxa-7-aza-bicyclo[3.3.1]non-7-yl)-methanone
    —— 4-((1,3-dimethyl-4-oxocyclohexa-2,5-dien-1-yl)oxy)but-2-en-2-yl acetate 1184937-45-8 C14H18O4
    4-((1,3-dimethyl-4-oxocyclohexa-2,5-dien-1-yl)oxy)but-2-en-2-yl acetate
    —— 4-Cyclohexyl-3-methoxy-phenol 30312-00-6 C13H18O2
    4-Cyclohexyl-3-methoxy-phenol
    —— 4-amino-2-pentyloxy-thiobenzoic acid <i>S</i>-(2-diethylamino-ethyl ester) 101780-47-6 C18H30N2O2S
    4-amino-2-pentyloxy-thiobenzoic acid <i>S</i>-(2-diethylamino-ethyl ester)
    —— 4,9-bis(4-butyloxyphenyl)diamantane 1187679-84-0 C34H44O2
    4,9-bis(4-butyloxyphenyl)diamantane
    —— 4-[2-(cyclopropylmethoxy)-4-fluoro-5-methylphenyl]-6-methyl-5-{[2-(trimethylsilyl)ethoxy]methyl}-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid 1268512-96-4 C25H32FN3O4Si
    4-[2-(cyclopropylmethoxy)-4-fluoro-5-methylphenyl]-6-methyl-5-{[2-(trimethylsilyl)ethoxy]methyl}-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid
    —— 4-Fluoro-1-(2-fluoro-6-methoxyphenyl)isoquinoline-7-carboxylic acid 1264223-38-2 C17H11F2NO3
    4-Fluoro-1-(2-fluoro-6-methoxyphenyl)isoquinoline-7-carboxylic acid
    —— 4-Anilino-2,2-dimethyl-5-thioxo-Δ<sup>3</sup>-imidazolin 22175-27-5 C11H13N3S
    4-Anilino-2,2-dimethyl-5-thioxo-Δ<sup>3</sup>-imidazolin
    —— 4,5,6,7,8,9,10,11-octafluorotriphenyleno[1,2-b:4,3-b']dithiophene 1338078-52-6 C22H4F8S2
    4,5,6,7,8,9,10,11-octafluorotriphenyleno[1,2-b:4,3-b']dithiophene
    —— 4-methyl-7-(3-(6-((3R)-3-piperidinyloxy)-2-pyrazinyl)-1H-indazol-5-yl)-3,4-dihydro-2H-pyrido[3,2-b][1.4]oxazine 1380913-01-8 C24H25N7O2
    4-methyl-7-(3-(6-((3R)-3-piperidinyloxy)-2-pyrazinyl)-1H-indazol-5-yl)-3,4-dihydro-2H-pyrido[3,2-b][1.4]oxazine
    —— 4-(piperazin-1-yl)-1,3-dihydro-2H-benzimidazol-2-one hydrochloride 1365044-91-2 C11H14N4O*ClH
    4-(piperazin-1-yl)-1,3-dihydro-2H-benzimidazol-2-one hydrochloride
    —— (4-amino-N,N'-disalicylidene-1,2-phenylenediaminato)(N,N'-di(3-fluorosalicylidene)-1,2-phenylenediaminato)zirconium(IV) 756492-89-4 C40H27F2N5O4Zr
    (4-amino-N,N'-disalicylidene-1,2-phenylenediaminato)(N,N'-di(3-fluorosalicylidene)-1,2-phenylenediaminato)zirconium(IV)
    —— 4-[2-(cyclopropylmethoxy)-5-methylphenyl]-2,6-dimethyl-5-{[2-(trimethylsilyl)ethoxy]methyl}-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid 1268513-01-4 C26H35N3O4Si
    4-[2-(cyclopropylmethoxy)-5-methylphenyl]-2,6-dimethyl-5-{[2-(trimethylsilyl)ethoxy]methyl}-5H-pyrrolo[3,2-d]pyrimidine-7-carboxylic acid
    —— 4,4'-difluoro-2,2'-(diselanediyl)dibenzoic acid 1381782-02-0 C14H8F2O4Se2
    4,4'-difluoro-2,2'-(diselanediyl)dibenzoic acid
    —— 4-bromo-5-({5-chloro-3-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]pyridin-2-yl}oxy)-1-(cyclopropylmethyl)-1H-benzotriazole 1268314-01-7 C24H24BrClN8O
    4-bromo-5-({5-chloro-3-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]pyridin-2-yl}oxy)-1-(cyclopropylmethyl)-1H-benzotriazole
    —— (4-Ethoxy-phenyl)-[4-methyl-5-(5-thiophen-2-yl-4,5-dihydro-isoxazol-3-yl)-thiazol-2-yl]-amine 112834-75-0 C19H19N3O2S2
    (4-Ethoxy-phenyl)-[4-methyl-5-(5-thiophen-2-yl-4,5-dihydro-isoxazol-3-yl)-thiazol-2-yl]-amine
    —— (4-methyl-5-oxo-4,5-dihydro-[1,3,4]oxadiazol-2-ylmethyl)-carbamic acid benzyl ester 54601-20-6 C12H13N3O4
    (4-methyl-5-oxo-4,5-dihydro-[1,3,4]oxadiazol-2-ylmethyl)-carbamic acid benzyl ester
    —— 4,5-dimethyl-2-phenyl-2,4-dihydro-[1,2,4]triazole-3-thione 114352-68-0 C10H11N3S
    4,5-dimethyl-2-phenyl-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 4-(α-Phenylstyryl)benzoesaeure 43122-73-2 C21H16O2
    4-(α-Phenylstyryl)benzoesaeure
    —— 4-pentamethylene-3-oxa-bicyclo(3.3.0)octan-2-one 50870-49-0 C12H18O2
    4-pentamethylene-3-oxa-bicyclo(3.3.0)octan-2-one
    —— 4-(4-Methyl-phenylmercapto)-7-methoxy-chinaldin 95742-50-0 C18H17NOS
    4-(4-Methyl-phenylmercapto)-7-methoxy-chinaldin
    —— 4-Amino-2-(4,5-dichlor-3-oxo-pyridazin-2-yl)-benzol-1-sulfonsaeure 5045-17-0 C10H7Cl2N3O4S
    4-Amino-2-(4,5-dichlor-3-oxo-pyridazin-2-yl)-benzol-1-sulfonsaeure
    —— 4-cyanobenzyl 5-methyl-7-(naphthalen-1-yl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate 1099635-76-3 C24H18N6O2
    4-cyanobenzyl 5-methyl-7-(naphthalen-1-yl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— 4-[2-(4-Bromophenyl)hydrazinyl]-6-(nitrosomethylidene)cyclohexa-2,4-dien-1-one 61948-09-2 C13H10BrN3O2
    4-[2-(4-Bromophenyl)hydrazinyl]-6-(nitrosomethylidene)cyclohexa-2,4-dien-1-one
    —— 4-(3-(3-aminopropyl)phenyl)-2-phenylbut-3-yn-2-ol 1098104-04-1 C19H21NO
    4-(3-(3-aminopropyl)phenyl)-2-phenylbut-3-yn-2-ol
    —— (+/-)-4-fluoro-α-(1-methylethyl)-α-[3-[methyl(phenylmethyl)amino]propyl]benzeneacetonitrile, monohydrochloride 172869-99-7 C22H27FN2*ClH
    (+/-)-4-fluoro-α-(1-methylethyl)-α-[3-[methyl(phenylmethyl)amino]propyl]benzeneacetonitrile, monohydrochloride
    —— 4-[[(2S)-oxolan-2-yl]methoxy]-N-[(2R)-6-(pyrrolidin-1-ylmethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]benzamide 1119256-54-0 C27H34N2O3
    4-[[(2S)-oxolan-2-yl]methoxy]-N-[(2R)-6-(pyrrolidin-1-ylmethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]benzamide
    —— 4-(methyl-nitroso-amino)-1-phenyl-1,3-dihydro-benzo[<i>b</i>][1,4]diazepin-2-one 67045-96-9 C16H14N4O2
    4-(methyl-nitroso-amino)-1-phenyl-1,3-dihydro-benzo[<i>b</i>][1,4]diazepin-2-one
    —— 4-[N-ethyl-N-(3-isopropylamino-2-pyridinyl)amino]methylpiperidine 179557-81-4 C16H28N4
    4-[N-ethyl-N-(3-isopropylamino-2-pyridinyl)amino]methylpiperidine
    —— 4-acetyl-9-ethyl-4,9-dihydro-benzo[<i>b</i>]thieno[3,4-<i>e</i>][1,4]diazepin-10-one 72349-47-4 C15H14N2O2S
    4-acetyl-9-ethyl-4,9-dihydro-benzo[<i>b</i>]thieno[3,4-<i>e</i>][1,4]diazepin-10-one
    —— 4-cyclohexyl-2,4-bis-piperidin-1-ylmethyl-isoxazolidine-3,5-dione 52046-07-8 C21H35N3O3
    4-cyclohexyl-2,4-bis-piperidin-1-ylmethyl-isoxazolidine-3,5-dione
    —— 4-(oxazol-4-yl)-N-((1S,4r)-4-((S)-2-phenylpiperazine-1-carbonyl)cyclohexyl)benzenesulfonamide 1310475-39-8 C26H30N4O4S
    4-(oxazol-4-yl)-N-((1S,4r)-4-((S)-2-phenylpiperazine-1-carbonyl)cyclohexyl)benzenesulfonamide
    —— (4-Chloro-phenoxy)-acetic acid 10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl ester 33301-15-4 C23H19ClO3
    (4-Chloro-phenoxy)-acetic acid 10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl ester
    —— (4-ethoxy-6-methyl-5-propyl-pyrimidin-2-yl)-methyl-amine 59143-76-9 C11H19N3O
    (4-ethoxy-6-methyl-5-propyl-pyrimidin-2-yl)-methyl-amine
    —— (4-Chloro-benzyl)-diethyl-(2-phenoxy-ethyl)-ammonium; chloride 108064-65-9 C19H25ClNO*Cl
    (4-Chloro-benzyl)-diethyl-(2-phenoxy-ethyl)-ammonium; chloride
    —— 4-[N-[1-(Cyanoimino)ethyl]amino]-N,N,2,2-tetramethyl-2H-1-benzopyran-6-sulfonamide 133178-51-5 C16H20N4O3S
    4-[N-[1-(Cyanoimino)ethyl]amino]-N,N,2,2-tetramethyl-2H-1-benzopyran-6-sulfonamide
    —— 4-(8-Carboxy-octanoyl)-5-heptanoyl-cyclopentane-1,3-dicarboxylic acid 34102-62-0 C23H36O8
    4-(8-Carboxy-octanoyl)-5-heptanoyl-cyclopentane-1,3-dicarboxylic acid
    —— 4-Chloro-benzene-1,3-disulfonic acid 3-amide 1-benzylamide 95516-03-3 C13H13ClN2O4S2
    4-Chloro-benzene-1,3-disulfonic acid 3-amide 1-benzylamide
    —— 4,4'-Bis-(3-trifluoromethyl-phenylamino)-[1,1']bianthracenyl-9,10,9',10'-tetraone 42529-91-9 C42H22F6N2O4
    4,4'-Bis-(3-trifluoromethyl-phenylamino)-[1,1']bianthracenyl-9,10,9',10'-tetraone
    —— 4-nitrobenzyl (1R,5S,6S)-2-{(2S,4S)-2-[4-(2-fluoroethyl)-1-homopiperazinylcarbonyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio}-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate 147082-42-6 C37H43FN6O11S
    4-nitrobenzyl (1R,5S,6S)-2-{(2S,4S)-2-[4-(2-fluoroethyl)-1-homopiperazinylcarbonyl]-1-(4-nitrobenzyloxycarbonyl)pyrrolidin-4-ylthio}-6-[(1R)-1-hydroxyethyl]-1-methyl-1-carbapen-2-em-3-carboxylate
    —— 4-Nitropyrogallol-2-acetat 32904-66-8 C8H7NO6
    4-Nitropyrogallol-2-acetat
    —— 4-hydroxy-5-methyl-1-phenylhexan-3-one 70187-13-2 C13H18O2
    4-hydroxy-5-methyl-1-phenylhexan-3-one
    —— 4-[2-(N-Isobutyl-4-ethoxyphenylsulfonylamino)-5-trifluoromethylphenoxymethyl]cinnamic Acid 209688-03-9 C29H30F3NO6S
    4-[2-(N-Isobutyl-4-ethoxyphenylsulfonylamino)-5-trifluoromethylphenoxymethyl]cinnamic Acid
    —— 4-dibenzofuran-4-yl-N-[4-(3,5-diphenylphenyl)phenyl]-N-phenylaniline 1306786-13-9 C48H33NO
    4-dibenzofuran-4-yl-N-[4-(3,5-diphenylphenyl)phenyl]-N-phenylaniline
    —— 4-ethyl-N-(1-phenyl-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)benzamide 1266083-49-1 C22H20BNO2
    4-ethyl-N-(1-phenyl-1,3-dihydrobenzo[c][1,2]oxaborol-6-yl)benzamide
    —— 4-(N-2-acetoxyethyl-N-methylamino)-2-(N-t-butoxycarbonyl-N-methylamino)nitrobenzene 1350439-71-2 C17H25N3O6
    4-(N-2-acetoxyethyl-N-methylamino)-2-(N-t-butoxycarbonyl-N-methylamino)nitrobenzene