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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-aza-20-hydroxyimino-5-pregnen-3-one 1219457-15-4 C20H30N2O2
    4-aza-20-hydroxyimino-5-pregnen-3-one
    —— 4-[(3-bromophenyl)amino]-7-(3-{4-[(diethoxyphosphoryl)-methyl]-piperazin-1-yl}propyloxy)-6-[(1-oxo-2-butyn-1-yl)amino]-quinazoline 290301-62-1 C30H38BrN6O5P
    4-[(3-bromophenyl)amino]-7-(3-{4-[(diethoxyphosphoryl)-methyl]-piperazin-1-yl}propyloxy)-6-[(1-oxo-2-butyn-1-yl)amino]-quinazoline
    —— 4,4,5,5-Tetramethyl-2-[8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)chrysen-3-yl]-1,3,2-dioxaborolane 1231728-12-3 C30H34B2O4
    4,4,5,5-Tetramethyl-2-[8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)chrysen-3-yl]-1,3,2-dioxaborolane
    —— 4,6-dimethyl-3-vinyl-hepta-1,5-dien-4-ol 55552-32-4 C11H18O
    4,6-dimethyl-3-vinyl-hepta-1,5-dien-4-ol
    —— [(4S)-4-(5-aminofuro[3,2-b]pyridin-2-yl)-4-[(4-fluoro-5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-2,5-dioxoimidazolidin-1-yl]methyl 2,2-dimethylpropanoate 1219812-39-1 C26H26FN5O7
    [(4S)-4-(5-aminofuro[3,2-b]pyridin-2-yl)-4-[(4-fluoro-5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-2,5-dioxoimidazolidin-1-yl]methyl 2,2-dimethylpropanoate
    —— 4-(2-Dimethylamino-ethylamino)-6-methoxy-quinazolin-5-ol 130436-88-3 C13H18N4O2
    4-(2-Dimethylamino-ethylamino)-6-methoxy-quinazolin-5-ol
    —— (4R,5R)-2,2-dimethyl-5-<2-methoxy-1(R)-<(tert-butyldiphenylsilyl)oxy>ethyl>-N-<2-(2-propenyl)phenyl>-1,3-dioxolane-4-carboxamide 120942-48-5 C34H43NO5Si
    (4R,5R)-2,2-dimethyl-5-<2-methoxy-1(R)-<(tert-butyldiphenylsilyl)oxy>ethyl>-N-<2-(2-propenyl)phenyl>-1,3-dioxolane-4-carboxamide
    —— 4-(1-Methyl-2-oxo-piperidin-3-yl)-butyric acid ethyl ester 87850-80-4 C12H21NO3
    4-(1-Methyl-2-oxo-piperidin-3-yl)-butyric acid ethyl ester
    —— 4-CF3-((i)Pr)PDI 210155-50-3 C34H42F3N3
    4-CF3-((i)Pr)PDI
    —— 4-(3-methyl-5-pyridin-3-yl-1(2)<i>H</i>-pyrazol-4-yldiazenyl)-piperazine-1-carboxylic acid ethyl ester 27218-47-9 C16H21N7O2
    4-(3-methyl-5-pyridin-3-yl-1(2)<i>H</i>-pyrazol-4-yldiazenyl)-piperazine-1-carboxylic acid ethyl ester
    —— 4,4'-bis-(4-chloro-phenyl)-5,5'-dimethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-<i>p</i>-phenylene-bis-imidazole 31483-81-5 C26H20Cl2N4
    4,4'-bis-(4-chloro-phenyl)-5,5'-dimethyl-1(3)<i>H</i>,1'(3')<i>H</i>-2,2'-<i>p</i>-phenylene-bis-imidazole
    —— 4-hydroxy-1-oxo-isochroman-3-carboxylic acid methyl ester 18435-73-9 C11H10O5
    4-hydroxy-1-oxo-isochroman-3-carboxylic acid methyl ester
    —— 4-hydroxy-isophthalic acid-1-butyl ester 100118-37-4 C12H14O5
    4-hydroxy-isophthalic acid-1-butyl ester
    —— 4-{5-[bis-(2-hydroxy-ethyl)-amino]-1<i>H</i>-[1,2,4]triazol-3-yl}-phenol 61450-77-9 C12H16N4O3
    4-{5-[bis-(2-hydroxy-ethyl)-amino]-1<i>H</i>-[1,2,4]triazol-3-yl}-phenol
    —— 4-{5-[(5-chloro-1-ethyl-1H-indole-2-carbonyl)-amino]-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester 1228747-19-0 C25H30ClN5O3
    4-{5-[(5-chloro-1-ethyl-1H-indole-2-carbonyl)-amino]-pyridin-2-yl}-piperazine-1-carboxylic acid tert-butyl ester
    —— (4-Isothiocyanato-benzoylsulfanyl)-acetic acid tert-butyl ester 70163-43-8 C14H15NO3S2
    (4-Isothiocyanato-benzoylsulfanyl)-acetic acid tert-butyl ester
    —— 4-methyl-2-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluoroethyl)-2'-(1-hydroxy-1-methylethyl)diphenyl sulfide 76337-70-7 C19H18F6O2S
    4-methyl-2-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluoroethyl)-2'-(1-hydroxy-1-methylethyl)diphenyl sulfide
    —— (4aR,6R,7S,8aR)-6-Methoxy-7-methylsulfanylmethoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one 67310-61-6 C16H20O6S
    (4aR,6R,7S,8aR)-6-Methoxy-7-methylsulfanylmethoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one
    —— (4-tert-Butyl-1-hydroxy-cyclohexyl)-chloro-acetic acid tert-butyl ester 54568-04-6 C16H29ClO3
    (4-tert-Butyl-1-hydroxy-cyclohexyl)-chloro-acetic acid tert-butyl ester
    —— 4a-Methyl-hexahydro-naphthalene-1,6-dione 70388-41-9 C11H16O2
    4a-Methyl-hexahydro-naphthalene-1,6-dione
    —— 4,4-dimethoxy-2-(1-phenyl-propyliden)-oxazolidin-5-one 109893-24-5 C14H17NO4
    4,4-dimethoxy-2-(1-phenyl-propyliden)-oxazolidin-5-one
    —— 4-{[(Diphenyl-p-tolyl-methyl)-amino]-methyl}-3-nitro-benzoic acid 470461-86-0 C28H24N2O4
    4-{[(Diphenyl-p-tolyl-methyl)-amino]-methyl}-3-nitro-benzoic acid
    —— 4,5-dihydro-5-(N-morpholinomethyl)-6-[6-(1H-imidazol-1-yl)pyrid-3-yl]-3(2H)-pyridazinone 123094-40-6 C17H20N6O2
    4,5-dihydro-5-(N-morpholinomethyl)-6-[6-(1H-imidazol-1-yl)pyrid-3-yl]-3(2H)-pyridazinone
    —— 4-cyano-3-fluoro-N-(6-(3-(4-fluorophenyl)-1-methyl-1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl)benzamide 1616233-72-7 C24H15F2N7O
    4-cyano-3-fluoro-N-(6-(3-(4-fluorophenyl)-1-methyl-1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl)benzamide
    —— 4-bromo-3-methoxy-N-methyl-N-(5-methyl-1,2-oxazol-3-yl)thiophene-2-carboxamide 473731-93-0 C11H11BrN2O3S
    4-bromo-3-methoxy-N-methyl-N-(5-methyl-1,2-oxazol-3-yl)thiophene-2-carboxamide
    —— 4-hydroxy-N,N-dimethyl-5-nitrothiophene-3-carboxamide 1055935-36-8 C7H8N2O4S
    4-hydroxy-N,N-dimethyl-5-nitrothiophene-3-carboxamide
    —— 4-{4-chloro-3-[(diethylamino)methyl]phenyl}piperidin-4-ol 863111-29-9 C16H25ClN2O
    4-{4-chloro-3-[(diethylamino)methyl]phenyl}piperidin-4-ol
    —— 4-[(4-methyl-1H-indol-5-yl)amino]-5-(3-phenylpropyl)nicotinonitrile 1160918-18-2 C24H22N4
    4-[(4-methyl-1H-indol-5-yl)amino]-5-(3-phenylpropyl)nicotinonitrile
    —— 4-(benzylaminomethyl)-3-hydroxy-1-(toluene-4-sulfonyl)-1H-pyridin-2-one 691013-11-3 C20H20N2O4S
    4-(benzylaminomethyl)-3-hydroxy-1-(toluene-4-sulfonyl)-1H-pyridin-2-one
    —— 4-[4-[2-[2-[1-(7-azabicyclo[2.2.1]heptan-7-yl)-2-methyl-1-oxopropan-2-yl]-5-(3,5-dimethylphenyl)-6H-thieno[2,3-b]pyrrol-4-yl]ethyl]piperazin-1-yl]benzonitrile 666850-50-6 C37H43N5OS
    4-[4-[2-[2-[1-(7-azabicyclo[2.2.1]heptan-7-yl)-2-methyl-1-oxopropan-2-yl]-5-(3,5-dimethylphenyl)-6H-thieno[2,3-b]pyrrol-4-yl]ethyl]piperazin-1-yl]benzonitrile
    —— 4-(tert-Butyl-dimethyl-silanyloxy)-3-oxo-thiobutyric acid S-benzyl ester 131309-88-1 C17H26O3SSi
    4-(tert-Butyl-dimethyl-silanyloxy)-3-oxo-thiobutyric acid S-benzyl ester
    —— 4-[(5-methylpyridin-2-yl)amino]quinazolin-6-ol 1154580-95-6 C14H12N4O
    4-[(5-methylpyridin-2-yl)amino]quinazolin-6-ol
    —— 4-[(4-methyl-1H-indol-5-yl)amino]-5-propylnicotinonitrile 1160918-20-6 C18H18N4
    4-[(4-methyl-1H-indol-5-yl)amino]-5-propylnicotinonitrile
    —— 4-Amino-6-methylthio-2-(1-(3-aminocarbinyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine 1097903-77-9 C16H20N6S2
    4-Amino-6-methylthio-2-(1-(3-aminocarbinyl-1-methyl-1H-pyrrolo[2,3-c]pyridin-5-yl)ethyl)thio-pyrimidine
    —— 4-bromo-2-bromomethyl-1,5-bis-(4-fluoro-phenyl)-1H-pyrrole-3-carboxylic acid ethyl ester 952393-58-7 C20H15Br2F2NO2
    4-bromo-2-bromomethyl-1,5-bis-(4-fluoro-phenyl)-1H-pyrrole-3-carboxylic acid ethyl ester
    —— 4-(N-Methyl-benzolsulfonamidomethyl)-pyridin 70922-46-2 C13H14N2O2S
    4-(N-Methyl-benzolsulfonamidomethyl)-pyridin
    —— 4-ethyl-5-[2-(phenylthio)prop-1-enyl]-2-(4-tolyl)-1,3-oxazole 1204505-75-8 C21H21NOS
    4-ethyl-5-[2-(phenylthio)prop-1-enyl]-2-(4-tolyl)-1,3-oxazole
    —— 4-[(R)-(1-phenyl-ethyl)amino]-7-[3-(tetrahydro-pyran-2-yloxy)-propyloxy]-6-nitro-quinazoline 290303-64-9 C24H28N4O5
    4-[(R)-(1-phenyl-ethyl)amino]-7-[3-(tetrahydro-pyran-2-yloxy)-propyloxy]-6-nitro-quinazoline
    —— 4-hydroxy-3-(6-methyl-pyridin-2-yl)-4-propyl-thiazolidine-2-thione 69627-71-0 C12H16N2OS2
    4-hydroxy-3-(6-methyl-pyridin-2-yl)-4-propyl-thiazolidine-2-thione
    —— 4-Methyl-3-isopropyl-1-cyanpentadien-1,2 3594-77-2 C10H15N
    4-Methyl-3-isopropyl-1-cyanpentadien-1,2
    —— 4-(3-bromophenyl)-2-ethyl-8-(trifluoromethyl)quinazoline 1112985-41-7 C17H12BrF3N2
    4-(3-bromophenyl)-2-ethyl-8-(trifluoromethyl)quinazoline
    —— 4-methyl-N-(2-p-tolylimidazo[1,2-a]pyridin-3-yl)benzenesulfonamide 1605289-61-9 C21H19N3O2S
    4-methyl-N-(2-p-tolylimidazo[1,2-a]pyridin-3-yl)benzenesulfonamide
    —— ((4-((2,5-dipropoxy-4-((triisopropylsilyl)ethynyl)phenyl)ethynyl)-2,5-dipropoxyphenyl)ethynyl)trimethylsilane 1143440-26-9 C42H62O4Si2
    ((4-((2,5-dipropoxy-4-((triisopropylsilyl)ethynyl)phenyl)ethynyl)-2,5-dipropoxyphenyl)ethynyl)trimethylsilane
    —— 4-(dimesitylboryl)-2,3,5,6-tetramethylbenzaldehyde 1569102-31-3 C29H35BO
    4-(dimesitylboryl)-2,3,5,6-tetramethylbenzaldehyde
    —— 4-methyl-3-(8-methyl-2-methylsulfonyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-yl)-benzonitrile 1026663-27-3 C17H14N4O3S
    4-methyl-3-(8-methyl-2-methylsulfonyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-6-yl)-benzonitrile
    —— 4-iodo-2-methyl-6-nitrobenzenamine.HCl 928014-75-9 C7H7IN2O2*ClH
    4-iodo-2-methyl-6-nitrobenzenamine.HCl
    —— 4-(ethoxycarbonyl)-2-(2-phenylethyl)cyclohepta-2,4,6-trien-1-one 136175-79-6 C18H18O3
    4-(ethoxycarbonyl)-2-(2-phenylethyl)cyclohepta-2,4,6-trien-1-one
    —— 4-oxy-5-pyridin-2-yl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one 1770-97-4 C14H11N3O2
    4-oxy-5-pyridin-2-yl-1,3-dihydro-benzo[<i>e</i>][1,4]diazepin-2-one
    —— 4-Amino-N-((3aR,7aS)-octahydro-isoindole-2-carbonyl)-benzenesulfonamide 21764-57-8 C15H21N3O3S
    4-Amino-N-((3aR,7aS)-octahydro-isoindole-2-carbonyl)-benzenesulfonamide
    —— (4,5-dimethyl-6-piperidin-1-yl-pyrimidin-2-yl)-methyl-amine 59144-17-1 C12H20N4
    (4,5-dimethyl-6-piperidin-1-yl-pyrimidin-2-yl)-methyl-amine