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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,4-Diphenyl-5-pyrazolon 40110-22-3 C15H12N2O
    4,4-Diphenyl-5-pyrazolon
    —— 4-Deutero-1-jodbenzol 13122-32-2 C6H5I
    4-Deutero-1-jodbenzol
    —— 4,6-diphenyl-2-oxa-7-thia-3-aza-spiro[4.4]non-3-ene-1,9-dione 54754-39-1 C18H13NO3S
    4,6-diphenyl-2-oxa-7-thia-3-aza-spiro[4.4]non-3-ene-1,9-dione
    —— 4-{1-[1-(3-Amino-phenyl)-cyclohexyl]-piperidin-2-yl}-butan-1-ol 126308-41-6 C21H34N2O
    4-{1-[1-(3-Amino-phenyl)-cyclohexyl]-piperidin-2-yl}-butan-1-ol
    —— 4-benzyl-1-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-pyrazolidine-3,5-dione 54505-84-9 C18H15N5O2
    4-benzyl-1-(5-phenyl-1<i>H</i>-[1,2,4]triazol-3-yl)-pyrazolidine-3,5-dione
    —— (4-2H)-L-tryptophan 90697-20-4 C11H12N2O2
    (4-2H)-L-tryptophan
    —— 4-(2-Diaethylaminoaethoxy)phenyl-methyl-sulfoxid 46843-03-2 C13H21NO2S
    4-(2-Diaethylaminoaethoxy)phenyl-methyl-sulfoxid
    —— 4'-tert-butyl-1,1'-biphenylphosphonic acid monoethyl ester 1632125-82-6 C18H23O3P
    4'-tert-butyl-1,1'-biphenylphosphonic acid monoethyl ester
    —— 4-(5,6-dimethyl-1H-benzimidazol-2-yl)benzene-1,3-diol 1350842-29-3 C15H14N2O2
    4-(5,6-dimethyl-1H-benzimidazol-2-yl)benzene-1,3-diol
    —— 4-Iodo-3-phenyl-5-(4-trifluoromethyl-phenyl)-isoxazole 623548-11-8 C16H9F3INO
    4-Iodo-3-phenyl-5-(4-trifluoromethyl-phenyl)-isoxazole
    —— (4-aminooxepan-4-yl)methanol monohydrochloride 1864013-93-3 C7H15NO2*ClH
    (4-aminooxepan-4-yl)methanol monohydrochloride
    —— 4-benzo[<i>b</i>]selenophen-3-ylsulfanyl-butyric acid 36251-67-9 C12H12O2SSe
    4-benzo[<i>b</i>]selenophen-3-ylsulfanyl-butyric acid
    —— 4-Bromo-benzoic acid (1R,3R)-3-hydroxy-3,5,5-trimethyl-4-((E)-3-methyl-5-oxo-penta-1,3-dienylidene)-cyclohexyl ester 122203-83-2 C22H25BrO4
    4-Bromo-benzoic acid (1R,3R)-3-hydroxy-3,5,5-trimethyl-4-((E)-3-methyl-5-oxo-penta-1,3-dienylidene)-cyclohexyl ester
    —— 4-<Chinolyl-(4)>-buttersaeure 92028-92-7 C13H13NO2
    4-<Chinolyl-(4)>-buttersaeure
    —— 4-o-Chlorphenyl-2-methyl-2H,8H-1,2,3-triazolo<5,4-e><1,4>oxazepin-7(6H)-thion 68221-46-5 C12H11ClN4OS
    4-o-Chlorphenyl-2-methyl-2H,8H-1,2,3-triazolo<5,4-e><1,4>oxazepin-7(6H)-thion
    —— 4-(4-Methyl-1,3-thiazol-2-yl)piperidine 933701-74-7 C9H14N2S
    4-(4-Methyl-1,3-thiazol-2-yl)piperidine
    —— 4-{[(2,4-dichloro-thiazol-5-yl)methyl]-isobutyl-amino}-piperidine-1-carboxylic acid t-butyl ester 866328-94-1 C18H29Cl2N3O2S
    4-{[(2,4-dichloro-thiazol-5-yl)methyl]-isobutyl-amino}-piperidine-1-carboxylic acid t-butyl ester
    —— 4-{[(2,4-dimethyl-thiazole-5-yl)methyl]-isobutyl-amino}-piperidine-1-carboxylic acid tert-butyl ester 866329-02-4 C20H35N3O2S
    4-{[(2,4-dimethyl-thiazole-5-yl)methyl]-isobutyl-amino}-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-bromo-benzenesulfonic acid-(3-chloro-phenyl ester) 105945-77-5 C12H8BrClO3S
    4-bromo-benzenesulfonic acid-(3-chloro-phenyl ester)
    —— 4-<2,4,6-Trichlor-phenoxy>-crotonsaeurenitril trans 98949-38-3 C10H6Cl3NO
    4-<2,4,6-Trichlor-phenoxy>-crotonsaeurenitril trans
    —— (4aR,8aR)-3-Methyl-4-oxo-octahydro-quinoline-1-carboxylic acid ethyl ester 65193-60-4 C13H21NO3
    (4aR,8aR)-3-Methyl-4-oxo-octahydro-quinoline-1-carboxylic acid ethyl ester
    —— 4-Hydroxy-8-methanesulfonyloxy-8,9-dihydro-7H-furo[3,2-f]quinoline-2,6-dicarboxylic acid dimethyl ester 190972-63-5 C16H17NO9S
    4-Hydroxy-8-methanesulfonyloxy-8,9-dihydro-7H-furo[3,2-f]quinoline-2,6-dicarboxylic acid dimethyl ester
    —— 4,4,4-trifluoro-3-hydroxy-1-(naphthalen-2-yl)but-2-en-1-one 66180-34-5 C14H9F3O2
    4,4,4-trifluoro-3-hydroxy-1-(naphthalen-2-yl)but-2-en-1-one
    —— 4-Acenaphthen-3-yl-5-methyl-1,3-dithiol-2-thion 180746-81-0 C16H12S3
    4-Acenaphthen-3-yl-5-methyl-1,3-dithiol-2-thion
    —— 4-Chloro-2-(5-chloro-2-hydroxy-4-methyl-benzyl)-3,5-dimethyl-phenol 62425-54-1 C16H16Cl2O2
    4-Chloro-2-(5-chloro-2-hydroxy-4-methyl-benzyl)-3,5-dimethyl-phenol
    —— 4-Benzyl-1-nitronaphthalene 73323-53-2 C17H13NO2
    4-Benzyl-1-nitronaphthalene
    —— 4-amino-6-(((1S)-1-(7-chloro-4-(2-pyridinyl)-3-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile 1374200-30-2 C21H16ClN7
    4-amino-6-(((1S)-1-(7-chloro-4-(2-pyridinyl)-3-quinolinyl)ethyl)amino)-5-pyrimidinecarbonitrile
    —— 4-Chloro-2-(4-chloro-3,5-difluorophenyl)-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide 885039-12-3 C12H6Cl2F2N2O2S
    4-Chloro-2-(4-chloro-3,5-difluorophenyl)-5,7-dihydrothieno[3,4-d]pyrimidine 6,6-dioxide
    —— 4-carbamoylpiperidinium 2-carboxy-4-nitrobenzoate 1343511-47-6 C6H12N2O*C8H5NO6
    4-carbamoylpiperidinium 2-carboxy-4-nitrobenzoate
    —— 4-N-[3-(dimethylamino)propyl]-6-iodoquinoline-3,4-diamine 1350733-70-8 C14H19IN4
    4-N-[3-(dimethylamino)propyl]-6-iodoquinoline-3,4-diamine
    —— 4-Guanidinocarbonyl-6-methyl-2-(3-methylphenyl)-(2H)-isoquinolinone hydrochloride 156268-79-0 C19H18N4O2*ClH
    4-Guanidinocarbonyl-6-methyl-2-(3-methylphenyl)-(2H)-isoquinolinone hydrochloride
    —— 4-(diethoxyphosphoryl)-4-(3,4-difluorophenyl)butanoic acid 1332895-30-3 C14H19F2O5P
    4-(diethoxyphosphoryl)-4-(3,4-difluorophenyl)butanoic acid
    —— 4-Butyl-3,3,7,7-tetramethyl-2-oxa-bicyclo[3.2.0]heptan-4-ol 82555-09-7 C14H26O2
    4-Butyl-3,3,7,7-tetramethyl-2-oxa-bicyclo[3.2.0]heptan-4-ol
    —— (4-benzyloxy-phenyl)-[3-(tetrahydro-pyran-2-yloxy)-benzyl]-amine 675867-57-9 C25H27NO3
    (4-benzyloxy-phenyl)-[3-(tetrahydro-pyran-2-yloxy)-benzyl]-amine
    —— 4-(isopropylamino)-6-(1H-pyrazol-4-yl)cinnoline-3-carbonitrile 1414954-82-7 C15H14N6
    4-(isopropylamino)-6-(1H-pyrazol-4-yl)cinnoline-3-carbonitrile
    —— 4-amino-6-[1-(3,4-difluorophenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-5H,6H,7H,8H-pyrimido[5,4-f][1,4]oxazepin-5-one 1415344-94-3 C20H14F2N6O2
    4-amino-6-[1-(3,4-difluorophenyl)-1H-pyrrolo[2,3-b]pyridin-5-yl]-5H,6H,7H,8H-pyrimido[5,4-f][1,4]oxazepin-5-one
    —— (-)-(4S-trans)-5-<(benzoyloxy)methyl>-2,2-dimethyl-1,3-dioxolane-4-butanoic acid 3-hydroxypropyl ester 77333-01-8 C20H28O7
    (-)-(4S-trans)-5-<(benzoyloxy)methyl>-2,2-dimethyl-1,3-dioxolane-4-butanoic acid 3-hydroxypropyl ester
    —— 4,4'-Bis-benzylamino-diphenyl-sulfid 51050-61-4 C26H24N2S
    4,4'-Bis-benzylamino-diphenyl-sulfid
    —— 4-[3-(Trifluoromethoxy)phenyl]oxan-4-amine hydrochloride 1795276-69-5 C12H15ClF3NO2
    4-[3-(Trifluoromethoxy)phenyl]oxan-4-amine hydrochloride
    —— 4-Hydroxy-1-methyl-4-(3-phenoxy-2-pyridyl)piperidin 54630-18-1 C17H20N2O2
    4-Hydroxy-1-methyl-4-(3-phenoxy-2-pyridyl)piperidin
    —— 4,6-Dioxo-2-methylamino-5-methylthio-pyrimidin 55987-13-8 C6H9N3O2S
    4,6-Dioxo-2-methylamino-5-methylthio-pyrimidin
    —— 4-methoxy-6-pyridin-3-yl-[1,3,5]triazin-2-ylamine 5270-21-3 C9H9N5O
    4-methoxy-6-pyridin-3-yl-[1,3,5]triazin-2-ylamine
    —— 4-(4-Chloro-phenyl)-2-(1-ethoxy-ethyl)-3-oxo-7-thia-2-aza-bicyclo[2.2.1]heptane-5,6-dicarboxylic acid dimethyl ester 75682-41-6 C19H22ClNO6S
    4-(4-Chloro-phenyl)-2-(1-ethoxy-ethyl)-3-oxo-7-thia-2-aza-bicyclo[2.2.1]heptane-5,6-dicarboxylic acid dimethyl ester
    —— 4-methyl-piperazine-2-carboxylic acid 3-chloro-anilide 56903-94-7 C12H16ClN3O
    4-methyl-piperazine-2-carboxylic acid 3-chloro-anilide
    —— 4-Ethoxycarbonyl-piperazinoessigsaeure-(4-chlor-benzhydrylamid) 100735-22-6 C22H26ClN3O3
    4-Ethoxycarbonyl-piperazinoessigsaeure-(4-chlor-benzhydrylamid)
    —— 4-Morpholino-6-amino-s-triazin-2-propionsaeure 91212-27-0 C10H15N5O3
    4-Morpholino-6-amino-s-triazin-2-propionsaeure
    —— 4-<2,5-Dimethyl-2H-pyrryl-(2)>-butyronitril 90872-77-8 C10H14N2
    4-<2,5-Dimethyl-2H-pyrryl-(2)>-butyronitril
    —— 4,4'-dibenzoyl-[1,1']binaphthyl-8,8'-dicarboxylic acid 104398-59-6 C36H22O6
    4,4'-dibenzoyl-[1,1']binaphthyl-8,8'-dicarboxylic acid
    —— 4-Methylmercapto-3,5-dimethyl-1-isopropyl-pyrazol 90770-56-2 C9H16N2S
    4-Methylmercapto-3,5-dimethyl-1-isopropyl-pyrazol
    —— 4-[3-(5-nitro-furan-2-yl)-2-phenyl-acryloyl]-morpholine 97978-20-6 C17H16N2O5
    4-[3-(5-nitro-furan-2-yl)-2-phenyl-acryloyl]-morpholine