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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Brom-2,2-difluor-octansaeure-ethylester 1826-77-3 C10H17BrF2O2
    4-Brom-2,2-difluor-octansaeure-ethylester
    —— 4-{[(4-methoxyphenyl)methylidene]amino}-5-(quinolin-2-yl)-4H-1,2,4-triazole-3-thiol 1383550-99-9 C19H15N5OS
    4-{[(4-methoxyphenyl)methylidene]amino}-5-(quinolin-2-yl)-4H-1,2,4-triazole-3-thiol
    —— [4-(5-bromo-2-methoxyphenyl)thiazol-2-yl](4-chlorophenyl)methanone 1240188-30-0 C17H11BrClNO2S
    [4-(5-bromo-2-methoxyphenyl)thiazol-2-yl](4-chlorophenyl)methanone
    —— 4-(4-Bromo-phenyl)-2-mercapto-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carbonitrile; compound with 4-methyl-morpholine 137551-98-5 C5H11NO*C18H17BrN2OS
    4-(4-Bromo-phenyl)-2-mercapto-7,7-dimethyl-5-oxo-1,4,5,6,7,8-hexahydro-quinoline-3-carbonitrile; compound with 4-methyl-morpholine
    —— 4-(4-Chloro-phenyl)-1-(1H-indol-2-ylmethyl)-piperidine-2,6-dione 7230-12-8 C20H17ClN2O2
    4-(4-Chloro-phenyl)-1-(1H-indol-2-ylmethyl)-piperidine-2,6-dione
    —— (4aS,10aR)-2-Ethyl-9-phenyl-1,3,4,4a,9,10a-hexahydro-2H-10-oxa-2-aza-phenanthrene; compound with (Z)-but-2-enedioic acid 69675-79-2 C4H4O4*C20H23NO
    (4aS,10aR)-2-Ethyl-9-phenyl-1,3,4,4a,9,10a-hexahydro-2H-10-oxa-2-aza-phenanthrene; compound with (Z)-but-2-enedioic acid
    —— 4-Methyl-2-(2,2,2-trichloro-1-methyl-ethoxy)-[1,3,2]dithiaphospholane 70164-40-8 C6H10Cl3OPS2
    4-Methyl-2-(2,2,2-trichloro-1-methyl-ethoxy)-[1,3,2]dithiaphospholane
    —— 4-Fluor-2-chlormethylphenoxyessigsaeure 1997-81-5 C9H8ClFO3
    4-Fluor-2-chlormethylphenoxyessigsaeure
    —— 4,6,7-tribromo-3,3-bis-(1-ethyl-2-methyl-indol-3-yl)-5-piperidin-1-yl-3<i>H</i>-isobenzofuran-1-one 73517-09-6 C35H34Br3N3O2
    4,6,7-tribromo-3,3-bis-(1-ethyl-2-methyl-indol-3-yl)-5-piperidin-1-yl-3<i>H</i>-isobenzofuran-1-one
    —— [4-Oxo-thiazolidin-(2E)-ylidene]-acetic acid allyl ester 91912-51-5 C8H9NO3S
    [4-Oxo-thiazolidin-(2E)-ylidene]-acetic acid allyl ester
    —— 4-cyano-3-(trifluoromethyl)phenyl [({[6-(4-(pyridin-1-ium-1-yl)-butoxy)-1-benzothien-2-yl]-sulfonyl}amino)methyl]phosphonate 1033773-18-0 C26H23F3N3O6PS2
    4-cyano-3-(trifluoromethyl)phenyl [({[6-(4-(pyridin-1-ium-1-yl)-butoxy)-1-benzothien-2-yl]-sulfonyl}amino)methyl]phosphonate
    —— 4,5,6,7-tetrachloro-2-(3-fluoro-7-methyl-12-oxo-12<i>H</i>-benzo[<i>ij</i>]isoindolo[2,1-<i>b</i>][2,7]naphthyridin-5-yl)-indan-1,3-dione 67003-93-4 C28H11Cl4FN2O3
    4,5,6,7-tetrachloro-2-(3-fluoro-7-methyl-12-oxo-12<i>H</i>-benzo[<i>ij</i>]isoindolo[2,1-<i>b</i>][2,7]naphthyridin-5-yl)-indan-1,3-dione
    —— 4-(3-Allylcarbamoyl-2,4,6-triiodo-phenylcarbamoyl)-butyric acid 24788-64-5 C15H15I3N2O4
    4-(3-Allylcarbamoyl-2,4,6-triiodo-phenylcarbamoyl)-butyric acid
    —— 4,4-dimethyl-1H-naphthalen-1-ol 98453-72-6 C12H14O
    4,4-dimethyl-1H-naphthalen-1-ol
    —— (4aS,8aS)-2-hydroxy-5,5,8a-trimethyl-3,4,4a,6,7,8-hexahydro-2H-naphthalen-1-one 125355-03-5 C13H22O2
    (4aS,8aS)-2-hydroxy-5,5,8a-trimethyl-3,4,4a,6,7,8-hexahydro-2H-naphthalen-1-one
    —— 4-hydroxy-7-(4-methoxy-phenyl)-2,3,4,5-tetrahydro-benzo[<i>g</i>][1,5]diazonin-1-one 3000-21-3 C18H18N2O3
    4-hydroxy-7-(4-methoxy-phenyl)-2,3,4,5-tetrahydro-benzo[<i>g</i>][1,5]diazonin-1-one
    —— 4-((E)-2-Benzooxazol-2-yl-vinyl)-thiobenzamide 35782-02-6 C16H12N2OS
    4-((E)-2-Benzooxazol-2-yl-vinyl)-thiobenzamide
    —— 4,9-di(4-methoxyphenyl)-2,7-diphenylpyridazino[4,5-g]phthalazine-1,6-dione 1429225-66-0 C36H26N4O4
    4,9-di(4-methoxyphenyl)-2,7-diphenylpyridazino[4,5-g]phthalazine-1,6-dione
    —— 4,5,6-Tris-propylsulfanyl-1,3-dihydro-spiro[benzoimidazole-2,1'-cyclohexane] 172362-92-4 C21H34N2S3
    4,5,6-Tris-propylsulfanyl-1,3-dihydro-spiro[benzoimidazole-2,1'-cyclohexane]
    —— 4-Methyl-furan-2-carboxylic acid carbamoylmethyl-amide 68691-70-3 C8H10N2O3
    4-Methyl-furan-2-carboxylic acid carbamoylmethyl-amide
    —— 4-[4-Butyryl-4-(2-fluoro-phenyl)-piperidin-1-yl]-1-(4-fluoro-phenyl)-butan-1-one 37911-02-7 C25H29F2NO2
    4-[4-Butyryl-4-(2-fluoro-phenyl)-piperidin-1-yl]-1-(4-fluoro-phenyl)-butan-1-one
    —— 4-amino-<i>N</i>-(4-ethoxy-6-methylsulfanyl-pyrimidin-2-yl)-benzenesulfonamide 93258-31-2 C13H16N4O3S2
    4-amino-<i>N</i>-(4-ethoxy-6-methylsulfanyl-pyrimidin-2-yl)-benzenesulfonamide
    —— 4-Chlorthymyl-2-chlorpropylether 2974-97-2 C13H18Cl2O
    4-Chlorthymyl-2-chlorpropylether
    —— 4-hydroxycarbamoyl-nicotinic acid 23411-05-4 C7H6N2O4
    4-hydroxycarbamoyl-nicotinic acid
    —— 4,4'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-6,6'-bis-(1,1,2,2-tetrafluoro-2-trifluoromethoxy-ethyl)-2,2'-(hexadecafluoro-octane-1,8-diyl)-bis-[1,3,5]triazine 42416-80-8 C26F42I2N6O2
    4,4'-bis-(1,1,2,2,3,3-hexafluoro-3-iodo-propyl)-6,6'-bis-(1,1,2,2-tetrafluoro-2-trifluoromethoxy-ethyl)-2,2'-(hexadecafluoro-octane-1,8-diyl)-bis-[1,3,5]triazine
    —— 4-Amino-5-(5.6.7.8-tetrahydro-2-naphthyl)-pyrimidine 51074-08-9 C14H15N3
    4-Amino-5-(5.6.7.8-tetrahydro-2-naphthyl)-pyrimidine
    —— 4-(6-amino-1,3-dibenzyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-4-oxo-but-2-ynoic acid methyl ester 32970-31-3 C23H19N3O5
    4-(6-amino-1,3-dibenzyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-4-oxo-but-2-ynoic acid methyl ester
    —— 4-(1-Oxy-piperidin-1-yl)-1,1-diphenyl-butan-1-ol; compound with (Z)-but-2-enedioic acid 40220-80-2 C4H4O4*C21H27NO2
    4-(1-Oxy-piperidin-1-yl)-1,1-diphenyl-butan-1-ol; compound with (Z)-but-2-enedioic acid
    —— 4,4-dimethyl-2,3-methano-1,2,3,4-tetrahydro-anti-naphthalen-1-ols 88195-41-9 C13H16O
    4,4-dimethyl-2,3-methano-1,2,3,4-tetrahydro-anti-naphthalen-1-ols
    —— 4-{4-(hydroxymethyl)-6-oxo-2-[cis-4-(trifluoromethyl)cyclohexyl]pyrimidin-1(6H)-yl}benzonitrile 1093749-97-3 C19H18F3N3O2
    4-{4-(hydroxymethyl)-6-oxo-2-[cis-4-(trifluoromethyl)cyclohexyl]pyrimidin-1(6H)-yl}benzonitrile
    —— 4-Methyl-5-ethyl-1-propyl-Δ<sup>2</sup>-pyrazolin 23155-47-7 C9H18N2
    4-Methyl-5-ethyl-1-propyl-Δ<sup>2</sup>-pyrazolin
    —— 4-Benzoyl-4-butoxy-3,5-dimethyl-heptanedioic acid dibutyl ester 10156-40-8 C28H44O6
    4-Benzoyl-4-butoxy-3,5-dimethyl-heptanedioic acid dibutyl ester
    —— 4-(p-Nitrobenzamido)-2-triphenylphosphoranyl)pentacarbonsaeure-ethylester 22433-24-5 C32H31N2O5P
    4-(p-Nitrobenzamido)-2-triphenylphosphoranyl)pentacarbonsaeure-ethylester
    —— 4-Ethoxycarbonyl-4-methoxy-benzoesaeure-3-pyridylmethylester 24234-47-7 C17H17NO5
    4-Ethoxycarbonyl-4-methoxy-benzoesaeure-3-pyridylmethylester
    —— (4R)-5-[2-(1-adamantyl)ethylamino]-4-[(3-chlorobenzoyl)amino]-5-oxopentanoic acid 137795-55-2 C24H31ClN2O4
    (4R)-5-[2-(1-adamantyl)ethylamino]-4-[(3-chlorobenzoyl)amino]-5-oxopentanoic acid
    —— 4'',6''-O-benzylidene-3,2',6'-tris(N-tert-butoxycarbonyl)-2''-(tert-butoxycarbonyl)amino-5,2''-dideoxydibekacin 161906-86-1 C45H74N6O14
    4'',6''-O-benzylidene-3,2',6'-tris(N-tert-butoxycarbonyl)-2''-(tert-butoxycarbonyl)amino-5,2''-dideoxydibekacin
    —— 4-n-Nonyl-1,2,5-trimethylpiperid-4-ol 27293-44-3 C17H35NO
    4-n-Nonyl-1,2,5-trimethylpiperid-4-ol
    —— 4-Amino-2-ethyl-3,3-diphenyl-butanol-(1) 28168-77-6 C18H23NO
    4-Amino-2-ethyl-3,3-diphenyl-butanol-(1)
    —— [4-(acetoxy-acetyl-amino)-butyl]-phthalimido-malonic acid diethyl ester 38068-87-0 C23H28N2O9
    [4-(acetoxy-acetyl-amino)-butyl]-phthalimido-malonic acid diethyl ester
    —— (4-iodo-butyl)-phthalimido-malonic acid diethyl ester 38068-80-3 C19H22INO6
    (4-iodo-butyl)-phthalimido-malonic acid diethyl ester
    —— 4-Methoxy-benzoic acid 2-{2-[2-(3,4-dimethoxy-phenyl)-5,7-dimethoxy-4-oxo-4H-chromen-8-yl]-acetyl}-3,5-dimethoxy-phenyl ester 39690-15-8 C37H34O12
    4-Methoxy-benzoic acid 2-{2-[2-(3,4-dimethoxy-phenyl)-5,7-dimethoxy-4-oxo-4H-chromen-8-yl]-acetyl}-3,5-dimethoxy-phenyl ester
    —— 4,4'-Dihydroxy-8,8'-dimethyl-6,6'-bi-carbostyril 28842-16-2 C20H16N2O4
    4,4'-Dihydroxy-8,8'-dimethyl-6,6'-bi-carbostyril
    —— 4-Iodo-3-oxo-N-o-tolyl-2-(p-tolyl-hydrazono)-butyramide 35573-28-5 C18H18IN3O2
    4-Iodo-3-oxo-N-o-tolyl-2-(p-tolyl-hydrazono)-butyramide
    —— 4-((4-(2-bromo-4,6-dimethylphenoxy)but-2-yn-1-yl)thio)-6-methyl-2H-pyran-2-one 913531-39-2 C18H17BrO3S
    4-((4-(2-bromo-4,6-dimethylphenoxy)but-2-yn-1-yl)thio)-6-methyl-2H-pyran-2-one
    —— 4-[3-(Tritylamino)propanoylamino]butanamide 334513-02-9 C26H29N3O2
    4-[3-(Tritylamino)propanoylamino]butanamide
    —— 4-methyl-2,6-diphenyl-4<i>H</i>-[1,4]oxazin-3-one 54026-25-4 C17H15NO2
    4-methyl-2,6-diphenyl-4<i>H</i>-[1,4]oxazin-3-one
    —— 4-Heptanon-O,O'-(butylarsylen)dioxim 24073-98-1 C18H37AsN2O2
    4-Heptanon-O,O'-(butylarsylen)dioxim
    —— 4-chlorophenyl 2-nitrophenyl disulfide 24696-60-4 C12H8ClNO2S2
    4-chlorophenyl 2-nitrophenyl disulfide
    —— 4-({[4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}methyl)-3-nitrobenzamide 1110949-41-1 C17H16N6O3S
    4-({[4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}methyl)-3-nitrobenzamide
    —— 4-(5-carboxamide-2-fluoro-4-(R,S)-methylsulfinylphenyl)piperidine 439942-36-6 C13H17FN2O2S
    4-(5-carboxamide-2-fluoro-4-(R,S)-methylsulfinylphenyl)piperidine