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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4"-O-(methoxybenzyl)tylosin 114442-68-1 C54H85NO18
    4"-O-(methoxybenzyl)tylosin
    —— 4-oxo-5-phenyl-piperidine-3-carboxylic acid ethyl ester 1096168-16-9 C14H17NO3
    4-oxo-5-phenyl-piperidine-3-carboxylic acid ethyl ester
    —— (4S,5R)-4-isobutyl-5-isopropyl-2,2-dimethyl-1,3-dioxane 1356864-39-5 C13H26O2
    (4S,5R)-4-isobutyl-5-isopropyl-2,2-dimethyl-1,3-dioxane
    —— 4-Oxo-2-phenyl-2-pentensaeure-ethylester 53143-33-2 C13H14O3
    4-Oxo-2-phenyl-2-pentensaeure-ethylester
    —— 4-[5-[3,5-Bis(trifluoromethyl)pyridin-2-yl]oxy-2-cyclopropylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one 1235559-58-6 C25H23F6NO4
    4-[5-[3,5-Bis(trifluoromethyl)pyridin-2-yl]oxy-2-cyclopropylphenyl]-5-hydroxy-2,2,6,6-tetramethylpyran-3-one
    —— [4-[3,5-Bis[2-(3-iodophenyl)ethynyl]phenyl]-2,6-ditert-butylphenyl] acetate 1571142-94-3 C38H34I2O2
    [4-[3,5-Bis[2-(3-iodophenyl)ethynyl]phenyl]-2,6-ditert-butylphenyl] acetate
    —— 4S-4-propyl-1,3-oxathiane 94613-88-4 C7H14OS
    4S-4-propyl-1,3-oxathiane
    —— 4-(4'-Methylbiphenyl-2-carboxamido)-N-methyl-N-[2-{3-(4-methyl-1-piperazinyl)carbonylaminoprop-1-yloxy}phenyl]benzamide 183492-43-5 C37H41N5O4
    4-(4'-Methylbiphenyl-2-carboxamido)-N-methyl-N-[2-{3-(4-methyl-1-piperazinyl)carbonylaminoprop-1-yloxy}phenyl]benzamide
    —— 4-[(4-Fluorophenyl)diazenyl]-3-methylphenol 1412896-63-9 C13H11FN2O
    4-[(4-Fluorophenyl)diazenyl]-3-methylphenol
    —— [4-[4-(piperidine-1-sulfonyl)-phenylamino]-7-(3-trifluoromethyl-pyridin-2-yl)-quinazolin-2-yl]-methanol 573688-47-8 C26H24F3N5O3S
    [4-[4-(piperidine-1-sulfonyl)-phenylamino]-7-(3-trifluoromethyl-pyridin-2-yl)-quinazolin-2-yl]-methanol
    —— 4,9-epoxy-6α-isobutyryloxy-14,15α-isopropylidenedioxy-(5β)-cevane-3β,4β,7α,16β,20-pentaol 124463-25-8 C34H53NO10
    4,9-epoxy-6α-isobutyryloxy-14,15α-isopropylidenedioxy-(5β)-cevane-3β,4β,7α,16β,20-pentaol
    —— [4-(benzyloxy)-3-isopropoxyphenyl](pyridine-2-yl)methanol 888740-36-1 C22H23NO3
    [4-(benzyloxy)-3-isopropoxyphenyl](pyridine-2-yl)methanol
    —— (4S)-3'-fluoro-7'-(2-fluoro-3-pyridinyl)-2'-(1-methyl-1H-pyrazol-4-yl)spiro[1,3-oxazole-4,9'-xanthen]-2-amine 1335294-74-0 C24H17F2N5O2
    (4S)-3'-fluoro-7'-(2-fluoro-3-pyridinyl)-2'-(1-methyl-1H-pyrazol-4-yl)spiro[1,3-oxazole-4,9'-xanthen]-2-amine
    —— 4-bromo-N-(2-morpholinoethyl)-2-(trifluoromethyl)benzenesulfonamide 1034925-95-5 C13H16BrF3N2O3S
    4-bromo-N-(2-morpholinoethyl)-2-(trifluoromethyl)benzenesulfonamide
    —— [(4S,5R)-2-(6-tert-butyl-4-ethoxy-pyridin-3-yl)-4,5-bis-(4-chloro-phenyl)-4,5-dimethyl-4,5-dihydro-imidazol-1-yl]-[4-(3-methoxy-propyl)-piperazin-1-yl]-methanone 1143521-18-9 C37H47Cl2N5O3
    [(4S,5R)-2-(6-tert-butyl-4-ethoxy-pyridin-3-yl)-4,5-bis-(4-chloro-phenyl)-4,5-dimethyl-4,5-dihydro-imidazol-1-yl]-[4-(3-methoxy-propyl)-piperazin-1-yl]-methanone
    —— 4-(3-Cyanopropoxy)-3-(trifluoromethyl)benzoic acid 1429635-58-4 C12H10F3NO3
    4-(3-Cyanopropoxy)-3-(trifluoromethyl)benzoic acid
    —— 4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-chloroquinolin-2(1H)-one 668424-16-6 C23H22ClN5O
    4-[(3R)-1-azabicyclo[2.2.2]oct-3-ylamino]-3-(1H-benzimidazol-2-yl)-7-chloroquinolin-2(1H)-one
    —— 4-(2,2-dimethyl-1-oxopropyl)-N-(2-chloroethyl)benzamide 220764-73-8 C14H18ClNO2
    4-(2,2-dimethyl-1-oxopropyl)-N-(2-chloroethyl)benzamide
    —— 4,5-bis(2-pyrazin-2-yl-ethylsulfanyl)-1,3-dithiole-2-thione 1189751-15-2 C15H14N4S5
    4,5-bis(2-pyrazin-2-yl-ethylsulfanyl)-1,3-dithiole-2-thione
    —— 4-fluoro-N-(2-methyl-5-nitrophenyl)thiobenzamide 1257095-72-9 C14H11FN2O2S
    4-fluoro-N-(2-methyl-5-nitrophenyl)thiobenzamide
    —— 4''-O-n-butyl-9,18-di-O-tert-butyldimethylsilyl-3''-O-methylleucomycin V 3,18-acetal 161821-11-0 C52H97NO13Si2
    4''-O-n-butyl-9,18-di-O-tert-butyldimethylsilyl-3''-O-methylleucomycin V 3,18-acetal
    —— (4E,8E)-11-(3-Methoxy-phenyl)-4,8-dimethyl-undeca-4,8-dien-2-one 82206-80-2 C20H28O2
    (4E,8E)-11-(3-Methoxy-phenyl)-4,8-dimethyl-undeca-4,8-dien-2-one
    —— (4aR,5S,6S,8aS)-6-(tert-butyldimethylsiloxy)-2-methoxymethyl-5,8a-dimethyl-5-(4-methylpent-3-enyl)-3,4,4a,5,6,7,8,8a-octahydronaphthalene 890936-26-2 C26H48O2Si
    (4aR,5S,6S,8aS)-6-(tert-butyldimethylsiloxy)-2-methoxymethyl-5,8a-dimethyl-5-(4-methylpent-3-enyl)-3,4,4a,5,6,7,8,8a-octahydronaphthalene
    —— (+/-)-4-Diethylamino-2,4-dimethyl-pentan-2,3-diol 3492-04-4 C11H25NO2
    (+/-)-4-Diethylamino-2,4-dimethyl-pentan-2,3-diol
    —— (4S,5S)-4,5-dicyclohexyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl-1,3,2-dioxaborolane 304915-06-8 C21H41BO3Si
    (4S,5S)-4,5-dicyclohexyl-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl-1,3,2-dioxaborolane
    —— 4,5-bis(dimethylamino)-8-nitro-1-(p-nitrobenzoylamido)naphthalene 1418114-72-3 C21H21N5O5
    4,5-bis(dimethylamino)-8-nitro-1-(p-nitrobenzoylamido)naphthalene
    —— (4S)-5,5-dimethyl-8'-pyrazin-2-ylspiro[1,3-oxazole-4,3'-2,4-dihydro-1H-naphthalene]-2-amine 1221164-07-3 C18H20N4O
    (4S)-5,5-dimethyl-8'-pyrazin-2-ylspiro[1,3-oxazole-4,3'-2,4-dihydro-1H-naphthalene]-2-amine
    —— 4-[(3,5-difluorobenzyl)amino]-6-({4-[(2R,6S)-2,6-dimethylmorpholino]phenyl}amino)pyridine-3-carboxyamide 1227863-70-8 C25H27F2N5O2
    4-[(3,5-difluorobenzyl)amino]-6-({4-[(2R,6S)-2,6-dimethylmorpholino]phenyl}amino)pyridine-3-carboxyamide
    —— 4-(5-(4-(dimethylamino)phenyl)-1-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl)benzonitrile 1060664-19-8 C24H21FN4
    4-(5-(4-(dimethylamino)phenyl)-1-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl)benzonitrile
    —— 4,4-dimethyl-2-hydroxy-2-phenylmorpholinium iodide 928150-50-9 C12H18NO2*I
    4,4-dimethyl-2-hydroxy-2-phenylmorpholinium iodide
    —— 4-chloro-N-[2,2-dichloro-1-(2-hydroxy-5-methylphenyl)-2-phenylethyl]benzenesulfonamide 1370366-28-1 C21H18Cl3NO3S
    4-chloro-N-[2,2-dichloro-1-(2-hydroxy-5-methylphenyl)-2-phenylethyl]benzenesulfonamide
    —— 4-chloro-2-ethyl-2-methyl-8-oxabicyclo<3.2.1>oct-6-en-3-one 80422-69-1 C10H13ClO2
    4-chloro-2-ethyl-2-methyl-8-oxabicyclo<3.2.1>oct-6-en-3-one
    —— 4-(1-Phenyl-allyl)-isoquinoline 111678-39-8 C18H15N
    4-(1-Phenyl-allyl)-isoquinoline
    —— 4-{3-[(6-methylpyridin-3-yl)methoxy]benzylidene}-N-pyridazin-3-ylpiperidine-1-carboxamide 1191400-71-1 C24H25N5O2
    4-{3-[(6-methylpyridin-3-yl)methoxy]benzylidene}-N-pyridazin-3-ylpiperidine-1-carboxamide
    —— 4-(2-amino-6<i>H</i>-[1,3,4]thiadiazin-5-yl)-benzene-1,2-diol 60912-88-1 C9H9N3O2S
    4-(2-amino-6<i>H</i>-[1,3,4]thiadiazin-5-yl)-benzene-1,2-diol
    —— 4-(N-(2-(4-methoxyphenyl)ethyl)carbamoylmethyl)-5,6,7,8-tetrahydrophthalazin-1(2H)-one 590405-14-4 C19H23N3O3
    4-(N-(2-(4-methoxyphenyl)ethyl)carbamoylmethyl)-5,6,7,8-tetrahydrophthalazin-1(2H)-one
    —— 4-Methyl-5-nitro-pyridin-2-carbaldehyd-phenylhydrazon 5832-41-7 C13H12N4O2
    4-Methyl-5-nitro-pyridin-2-carbaldehyd-phenylhydrazon
    —— [(4-Chloro-3-sulfamoyl-benzenesulfonyl)-methyl-amino]-acetic acid ethyl ester 14748-11-9 C11H15ClN2O6S2
    [(4-Chloro-3-sulfamoyl-benzenesulfonyl)-methyl-amino]-acetic acid ethyl ester
    —— 4-Nitro-2-triethylsilanyl-[1,2]thiazetidine 1,1-dioxide 124314-75-6 C8H18N2O4SSi
    4-Nitro-2-triethylsilanyl-[1,2]thiazetidine 1,1-dioxide
    —— 4-(4-fluorophenoxy)pyridine-2-carboxylic acid ((R)-1-cyclobutylpiperidin-3-ylmethyl)amide 1336908-84-9 C22H26FN3O2
    4-(4-fluorophenoxy)pyridine-2-carboxylic acid ((R)-1-cyclobutylpiperidin-3-ylmethyl)amide
    —— 4-(1-Butinyl)-3-phenyl-5-(trimethylsilyl)pyridazin 83182-75-6 C17H20N2Si
    4-(1-Butinyl)-3-phenyl-5-(trimethylsilyl)pyridazin
    —— 4-Cyclododecyl-2-methyl-pyridin 40114-93-0 C18H29N
    4-Cyclododecyl-2-methyl-pyridin
    —— 4-(2,5-dimethylfuran-3-yl)-6-(pyridin-2-yl)pyrimidin-2-amine 1356656-43-3 C15H14N4O
    4-(2,5-dimethylfuran-3-yl)-6-(pyridin-2-yl)pyrimidin-2-amine
    —— 4-ethoxybenzaldehyde [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone 624725-79-7 C19H21N5O2S
    4-ethoxybenzaldehyde [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone
    —— 4-(2-(2-Bromobenzylidene)hydrazinyl)-5-(4-ethoxyphenyl)-4H-1,2,4-triazole-3-thiol 624724-83-0 C17H16BrN5OS
    4-(2-(2-Bromobenzylidene)hydrazinyl)-5-(4-ethoxyphenyl)-4H-1,2,4-triazole-3-thiol
    —— 4-(γ-aminopropyl)-amino-1,2,2,6,6-pentamethylpiperidine 66757-80-0 C13H29N3
    4-(γ-aminopropyl)-amino-1,2,2,6,6-pentamethylpiperidine
    —— 4-methylphenyl-N-(4-methylsulfonylphenyl)carbohydrazonamide 884651-82-5 C15H17N3O2S
    4-methylphenyl-N-(4-methylsulfonylphenyl)carbohydrazonamide
    —— (4R,5S,6S)-6-((R)-1-Hydroxy-ethyl)-4-methyl-3-(methyl-naphthalen-1-ylmethyl-thiocarbamoylsulfanyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 192883-96-8 C30H29N3O6S2
    (4R,5S,6S)-6-((R)-1-Hydroxy-ethyl)-4-methyl-3-(methyl-naphthalen-1-ylmethyl-thiocarbamoylsulfanyl)-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
    —— (4R,5S,6S)-3-((3S,5S)-1-Allyloxycarbonyl-5-{[(thiomorpholine-4-carbothioyl)-amino]-methyl}-pyrrolidin-3-ylsulfanyl)-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester 909395-18-2 C27H38N4O6S3
    (4R,5S,6S)-3-((3S,5S)-1-Allyloxycarbonyl-5-{[(thiomorpholine-4-carbothioyl)-amino]-methyl}-pyrrolidin-3-ylsulfanyl)-6-((R)-1-hydroxy-ethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester
    —— (4R)-4-(4-chlorophenyl)cyclopent-2-en-1-ol 582334-11-0 C11H11ClO
    (4R)-4-(4-chlorophenyl)cyclopent-2-en-1-ol