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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-Methoxy-5-methylphenoxy)piperidine 902837-13-2 C13H19NO2
    4-(2-Methoxy-5-methylphenoxy)piperidine
    —— 4-(2-Methylthiophen-3-yl)pyridine-3-carboxylic acid 1261958-66-0 C11H9NO2S
    4-(2-Methylthiophen-3-yl)pyridine-3-carboxylic acid
    —— 4-[(5-chloro-1H-indazole-3-carbonyl)-amino]-piperidine-1-carboxylic acid ethyl ester 660822-68-4 C16H19ClN4O3
    4-[(5-chloro-1H-indazole-3-carbonyl)-amino]-piperidine-1-carboxylic acid ethyl ester
    —— 4-Acetyl-4-aza-17β-hydroxy-A-homo-5β-androstan 21148-53-8 C21H35NO2
    4-Acetyl-4-aza-17β-hydroxy-A-homo-5β-androstan
    —— 4-tert-Butylcyclohexyl-spiro-5'-hydantoin 58746-11-5 C12H20N2O2
    4-tert-Butylcyclohexyl-spiro-5'-hydantoin
    —— 4-(1-Methyl-2-oxo-propoxy)-benzo<b>thiophen 96396-87-1 C12H12O2S
    4-(1-Methyl-2-oxo-propoxy)-benzo<b>thiophen
    —— 4',5'-Dijod-4-nitro-fluorescein-diacetat 102133-86-8 C24H13I2NO9
    4',5'-Dijod-4-nitro-fluorescein-diacetat
    —— 4,4,5,5-tetramethyl-2-[2-(2-phenylethynyl)phenyl][1,3,2]dioxaborolane 741281-66-3 C20H21BO2
    4,4,5,5-tetramethyl-2-[2-(2-phenylethynyl)phenyl][1,3,2]dioxaborolane
    —— 4-benzyl-6-phenyl-2H-pyridazin-3-one 1350839-57-4 C16H13N3O
    4-benzyl-6-phenyl-2H-pyridazin-3-one
    —— 4-Chloro-benzene-1,3-disulfonic acid 3-amide 1-[bis-(tetrahydro-furan-2-ylmethyl)-amide] 17025-86-4 C16H23ClN2O6S2
    4-Chloro-benzene-1,3-disulfonic acid 3-amide 1-[bis-(tetrahydro-furan-2-ylmethyl)-amide]
    —— (4-benzo[1,3]dioxol-5-yl-4,5-dihydro-1<i>H</i>-pyrazol-3-yl)-pyridin-4-yl-methanone 18336-35-1 C16H13N3O3
    (4-benzo[1,3]dioxol-5-yl-4,5-dihydro-1<i>H</i>-pyrazol-3-yl)-pyridin-4-yl-methanone
    —— 4-O-Benzoyl-1,2:5,6-di-O-isopropyliden-3-(phenoxycarbonylamino)-3-desoxy-D-altrit 102380-78-9 C26H31NO8
    4-O-Benzoyl-1,2:5,6-di-O-isopropyliden-3-(phenoxycarbonylamino)-3-desoxy-D-altrit
    —— 4-(2-hexynyloxy)-2,3-dimethoxy-4-pentynyl-2-cyclobuten-1-one 135482-06-3 C17H22O4
    4-(2-hexynyloxy)-2,3-dimethoxy-4-pentynyl-2-cyclobuten-1-one
    —— 4-Methoxy-7-methyl-3H-benzooxazol-2-one 124782-69-0 C9H9NO3
    4-Methoxy-7-methyl-3H-benzooxazol-2-one
    —— 4-Hydroxy-6,8-diphenyl-5,6,7,8-tetrahydro-<1>benzothieno-<2,3-d>-pyrimidin 26379-91-9 C22H18N2OS
    4-Hydroxy-6,8-diphenyl-5,6,7,8-tetrahydro-<1>benzothieno-<2,3-d>-pyrimidin
    —— (4-Chloro-benzyl)-bis-(2-pyridin-2-yl-ethyl)-amine 31582-24-8 C21H22ClN3
    (4-Chloro-benzyl)-bis-(2-pyridin-2-yl-ethyl)-amine
    —— (4aR,5R,6R,7R)-7-Methoxy-6-(4-nitro)benzoyloxy-4a,5,6,7-tetrahydro-1,3,4a,5-tetramethylbenz[f]indol-2(4H)-one 209331-22-6 C24H26N2O6
    (4aR,5R,6R,7R)-7-Methoxy-6-(4-nitro)benzoyloxy-4a,5,6,7-tetrahydro-1,3,4a,5-tetramethylbenz[f]indol-2(4H)-one
    —— (4S,5S)-1-(tert-butoxycarbonyl)-4-metoxymethoxy-5-trityloxymethyl-2-pyrrolidinone 135886-13-4 C31H35NO6
    (4S,5S)-1-(tert-butoxycarbonyl)-4-metoxymethoxy-5-trityloxymethyl-2-pyrrolidinone
    —— 4'-Acetamino-azobenzol-carbonsaeure-(4)-ethylester 93818-95-2 C17H17N3O3
    4'-Acetamino-azobenzol-carbonsaeure-(4)-ethylester
    —— 4-[7-Methyl-1-naphthalen-1-ylmethyl-2-oxo-3-(1H-pyrazol-4-ylmethylene)-2,3-dihydro-1H-indol-6-yl]-benzonitrile 1055412-89-9 C31H22N4O
    4-[7-Methyl-1-naphthalen-1-ylmethyl-2-oxo-3-(1H-pyrazol-4-ylmethylene)-2,3-dihydro-1H-indol-6-yl]-benzonitrile
    —— 4-(2-Hydroxyphenyl)imino-2-phenylchromen-5-ol 1332295-61-0 C21H15NO3
    4-(2-Hydroxyphenyl)imino-2-phenylchromen-5-ol
    —— 4-[2-[(3-fluorophenyl)amino]-4-pyridinyl]-N-[(tetrahydro-3-furanyl)methyl]-2-pyrimidinamine 1150110-96-5 C20H20FN5O
    4-[2-[(3-fluorophenyl)amino]-4-pyridinyl]-N-[(tetrahydro-3-furanyl)methyl]-2-pyrimidinamine
    —— 4-vanilideneamino-3-methyl-5-mercapto-1,2,4-triazole 315689-15-7 C11H12N4O2S
    4-vanilideneamino-3-methyl-5-mercapto-1,2,4-triazole
    —— 4-chloro-2-(5-vinyl-thiophen-3-yl)-pyridine 1130759-63-5 C11H8ClNS
    4-chloro-2-(5-vinyl-thiophen-3-yl)-pyridine
    —— 4-(3-chloropyridin-2-yl)-3-methoxy-N-[4-(1,3-oxazol-5-yl)phenyl]benzamide 849756-23-6 C22H16ClN3O3
    4-(3-chloropyridin-2-yl)-3-methoxy-N-[4-(1,3-oxazol-5-yl)phenyl]benzamide
    —— 4-(3-chloropyridin-2-yl)-3-fluoro-N-pyrimidin-4-ylbenzamide 849755-09-5 C16H10ClFN4O
    4-(3-chloropyridin-2-yl)-3-fluoro-N-pyrimidin-4-ylbenzamide
    —— 4-(3-guaiazulenylmethyl)-4'-hydroxyazobenzene 1188524-36-8 C28H28N2O
    4-(3-guaiazulenylmethyl)-4'-hydroxyazobenzene
    —— 4-Methyl-2-(2-<2>naphthyl-vinyl)-thiazol 14397-02-5 C16H13NS
    4-Methyl-2-(2-<2>naphthyl-vinyl)-thiazol
    —— 4-(3-chloropyridin-2-yl)-N-(4-propoxyphenyl)benzamide 849756-37-2 C21H19ClN2O2
    4-(3-chloropyridin-2-yl)-N-(4-propoxyphenyl)benzamide
    —— 4-(3-(2-fluoroethoxy)phenyl)-1-piperazinebutanamine hydrochloride 1137921-02-8 C16H26FN3O*ClH
    4-(3-(2-fluoroethoxy)phenyl)-1-piperazinebutanamine hydrochloride
    —— (4R,5R)-2-trimethylsilylmethyl-4-methoxy-5-(4-methoxybenzyloxy)-6-[(tert-butyldimethylsilyl)oxy]-1-hexene 1385033-84-0 C25H46O4Si2
    (4R,5R)-2-trimethylsilylmethyl-4-methoxy-5-(4-methoxybenzyloxy)-6-[(tert-butyldimethylsilyl)oxy]-1-hexene
    —— 4-((1S,2S,4R,4aS,5S,6R,7R,8aR,9S)-8a-Hydroxy-4,9-bis-methoxymethoxy-2,5,7-trimethyl-decahydro-1,6-methano-naphthalen-2-yl)-butyric acid methyl ester 95682-30-7 C23H40O7
    4-((1S,2S,4R,4aS,5S,6R,7R,8aR,9S)-8a-Hydroxy-4,9-bis-methoxymethoxy-2,5,7-trimethyl-decahydro-1,6-methano-naphthalen-2-yl)-butyric acid methyl ester
    —— 4-Chloro-N-[1-dibutylamino-meth-(E)-ylidene]-benzenesulfonamide 140477-49-2 C15H23ClN2O2S
    4-Chloro-N-[1-dibutylamino-meth-(E)-ylidene]-benzenesulfonamide
    —— (4-(N,N-dimethylsulfamoyl)phenyl)magnesium bromide 1253575-22-2 C8H10BrMgNO2S
    (4-(N,N-dimethylsulfamoyl)phenyl)magnesium bromide
    —— 4-Dichloracetamino-diphenyl 17122-52-0 C14H11Cl2NO
    4-Dichloracetamino-diphenyl
    —— 4,5-Bis-methylamino-uracil 16017-80-4 C6H10N4O2
    4,5-Bis-methylamino-uracil
    —— 4-methoxy-[1,1'-biphenyl]-2,2'-diol 1443418-43-6 C13H12O3
    4-methoxy-[1,1'-biphenyl]-2,2'-diol
    —— 4-Amino-2'-azachalkon 64908-92-5 C14H12N2O
    4-Amino-2'-azachalkon
    —— 4,7,7-trimethyl-3-oxo-2-phenylazo-norbornane-2-carbonitrile 3509-55-5 C17H19N3O
    4,7,7-trimethyl-3-oxo-2-phenylazo-norbornane-2-carbonitrile
    —— 4-ethylbenzoyl cyanide 1595288-15-5 C10H9NO
    4-ethylbenzoyl cyanide
    —— 4-oxo-3,4,5,6,7,8-hexahydro-benzo[4,5]thieno[2,3-<i>d</i>]pyrimidine-2-carboxylic acid amide 65191-53-9 C11H11N3O2S
    4-oxo-3,4,5,6,7,8-hexahydro-benzo[4,5]thieno[2,3-<i>d</i>]pyrimidine-2-carboxylic acid amide
    —— 4-Methyl-3-oxo-1-(tert-butyldimethylsilyloxy)-2-tosyloxy-pent-1-ylphosphonsaeurediethylester 84542-84-7 C23H41O8PSSi
    4-Methyl-3-oxo-1-(tert-butyldimethylsilyloxy)-2-tosyloxy-pent-1-ylphosphonsaeurediethylester
    —— 4-[1-(carboxymethyl)-7-((E)-2-{4-[4-(2,3-difluorophenoxy)butoxy]phenyl}vinyl)-4-fluoro-2-methyl-1H-indol-3-yl]-4-oxobutanoic acid 908137-33-7 C33H30F3NO7
    4-[1-(carboxymethyl)-7-((E)-2-{4-[4-(2,3-difluorophenoxy)butoxy]phenyl}vinyl)-4-fluoro-2-methyl-1H-indol-3-yl]-4-oxobutanoic acid
    —— 4,5α-epoxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinane-7α,8α-dicarboxylic acid allylcarbamoyl-methylimide 34156-13-3 C28H31N3O6
    4,5α-epoxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinane-7α,8α-dicarboxylic acid allylcarbamoyl-methylimide
    —— 4-[4-(3-acetoxy-propoxy)-3-chloro-phenyl]-4-oxo-butyric acid 890042-57-6 C15H17ClO6
    4-[4-(3-acetoxy-propoxy)-3-chloro-phenyl]-4-oxo-butyric acid
    —— 4-(4-methoxyphenyl)benzo[d][1,3]dioxol-5-yl diethylcarbamate 1245729-20-7 C19H21NO5
    4-(4-methoxyphenyl)benzo[d][1,3]dioxol-5-yl diethylcarbamate
    —— 4,5,6,8-tetra-O-acetyl-3,7-anhydro-1,2-dideoxy-D-glycero-D-gulo-oct-1-enitol 51450-26-1 C16H22O9
    4,5,6,8-tetra-O-acetyl-3,7-anhydro-1,2-dideoxy-D-glycero-D-gulo-oct-1-enitol
    —— 4-[3,5-bis(4-fluorobenzyl)furan-2-carbonyl]-3-hydroxy-1-methyl-1,5-dihydropyrrol-2-one 500365-99-1 C24H19F2NO4
    4-[3,5-bis(4-fluorobenzyl)furan-2-carbonyl]-3-hydroxy-1-methyl-1,5-dihydropyrrol-2-one
    —— 4-butyl-3-(3-nitro-benzoylsulfanyl)-4<i>H</i>-[1,2,4]triazole 27106-35-0 C13H14N4O3S
    4-butyl-3-(3-nitro-benzoylsulfanyl)-4<i>H</i>-[1,2,4]triazole
    —— 4-Chlor-α,α'-difluor-stilben 1423-78-5 C14H9ClF2
    4-Chlor-α,α'-difluor-stilben