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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-Ethoxycarbonylethyl curcumin 98886-32-9 C26H28O8
    4-Ethoxycarbonylethyl curcumin
    —— 4-amino-5-chloroquinazoline 19808-34-5 C8H6ClN3
    4-amino-5-chloroquinazoline
    —— 4-bromo-2-hydroxy-N-(4-(trifluoromethyl)phenyl)benzamide 1406943-92-7 C14H9BrF3NO2
    4-bromo-2-hydroxy-N-(4-(trifluoromethyl)phenyl)benzamide
    —— 4-formyl-2-hydroxybenzoic acid 51572-88-4 C8H6O4
    4-formyl-2-hydroxybenzoic acid
    —— 4-(trifluoromethoxy)phenethyl methanesulfonate 656227-26-8 C10H11F3O4S
    4-(trifluoromethoxy)phenethyl methanesulfonate
    —— {4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-phenyl}-acetonitrile 1255713-01-9 C22H22ClN3O3S
    {4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-phenyl}-acetonitrile
    —— 4-Oxo-8-ethoxy-4H-pyrimido<2.1-b>benzothiazole-3-carboxylic acid 21387-13-3 C13H10N2O4S
    4-Oxo-8-ethoxy-4H-pyrimido<2.1-b>benzothiazole-3-carboxylic acid
    —— (4-{[1-(2-chloro-benzenesulfonyl)-4-(2-methoxy-ethyl)-piperidine-4-carbonyl]-amino}-phenyl)-acetic acid ethyl ester 1255649-82-1 C25H31ClN2O6S
    (4-{[1-(2-chloro-benzenesulfonyl)-4-(2-methoxy-ethyl)-piperidine-4-carbonyl]-amino}-phenyl)-acetic acid ethyl ester
    —— {4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-phenyl}-acetic acid ethyl ester 1255712-99-2 C24H27ClN2O5S
    {4-[8-(2-chloro-benzenesulfonyl)-1-oxo-2,8-diaza-spiro[4.5]dec-2-yl]-phenyl}-acetic acid ethyl ester
    —— 4-ethenyl-2-azetidinone 28763-13-5 C5H7NO
    4-ethenyl-2-azetidinone
    —— 4b,9b-dihydroxy-7-isopropyl-2-(morpholin-1-yl)-4bH-benzo[d]indeno[1,2-b]furan-10(9bH)-one 1416232-14-8 C22H23NO5
    4b,9b-dihydroxy-7-isopropyl-2-(morpholin-1-yl)-4bH-benzo[d]indeno[1,2-b]furan-10(9bH)-one
    —— 4-[2-(5-{[(3,4-dichlorophenyl)carbamoyl]amino}-2-methylphenoxy)ethyl]piperazine 1257510-18-1 C20H24Cl2N4O2
    4-[2-(5-{[(3,4-dichlorophenyl)carbamoyl]amino}-2-methylphenoxy)ethyl]piperazine
    —— 4-Chloro-2,5-dimethyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyrimidin-7-yl)-amide 1335298-77-5 C18H15ClN6O
    4-Chloro-2,5-dimethyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyrimidin-7-yl)-amide
    —— (+)-(4R,5S)-4-tetradecanoyl-5-hydroxymethyltetrahydrofuran-2-one 138433-94-0 C19H34O5
    (+)-(4R,5S)-4-tetradecanoyl-5-hydroxymethyltetrahydrofuran-2-one
    —— 4-bromo-1-(3-methoxy-pyridin-2-ylmethyl)-1H-pyridin-2-one 1160791-23-0 C12H11BrN2O2
    4-bromo-1-(3-methoxy-pyridin-2-ylmethyl)-1H-pyridin-2-one
    —— 4-(3-Nitro-phenyl)-2-phenyl-4,5-dihydro-[1,3]oxazin-6-one 874656-85-6 C16H12N2O4
    4-(3-Nitro-phenyl)-2-phenyl-4,5-dihydro-[1,3]oxazin-6-one
    —— (4S,6S)-N-(bis(4-methoxyphenyl)(phenyl)methyl)-4-(5-((2-chloropyridin-4-yl)ethynyl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine 1620828-60-5 C40H32ClF4N3O3
    (4S,6S)-N-(bis(4-methoxyphenyl)(phenyl)methyl)-4-(5-((2-chloropyridin-4-yl)ethynyl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine
    —— 4-({[Dibutyl(chloro)stannyl]sulfanyl}carbonothioyl)morpholine 65951-55-5 C13H26ClNOS2Sn
    4-({[Dibutyl(chloro)stannyl]sulfanyl}carbonothioyl)morpholine
    —— 4-(1-(diethylamino)-2-methylpropan-2-yl)aniline 1020660-24-5 C14H24N2
    4-(1-(diethylamino)-2-methylpropan-2-yl)aniline
    —— 4-[2-(bromomethyl)-5-(trifluoromethyl)phenyl]pyridazine 1354917-96-6 C12H8BrF3N2
    4-[2-(bromomethyl)-5-(trifluoromethyl)phenyl]pyridazine
    —— 4-hydroxy-6-(trifluoromethoxy)quinoline-3-carbonitrile 1240693-48-4 C11H5F3N2O2
    4-hydroxy-6-(trifluoromethoxy)quinoline-3-carbonitrile
    —— 4-methyl-8-hydroxypsoralen 88589-76-8 C12H8O4
    4-methyl-8-hydroxypsoralen
    —— (4S,6S)-4-(5-(6-chlorobenzo[d]oxazol-2-yl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine 1620827-59-9 C19H14ClF4N3O2
    (4S,6S)-4-(5-(6-chlorobenzo[d]oxazol-2-yl)-2-fluorophenyl)-4-methyl-6-(trifluoromethyl)-5,6-dihydro-4H-1,3-oxazin-2-amine
    —— (4S,5S)-4-Methyl-3-(9-phenyl-9H-fluoren-9-yl)-5-tributylstannanyl-oxazolidine 332416-74-7 C35H47NOSn
    (4S,5S)-4-Methyl-3-(9-phenyl-9H-fluoren-9-yl)-5-tributylstannanyl-oxazolidine
    —— 4-(2-chloro-5-(6,8-dichloro-3-(2-(dipropylamino)-2-oxoethyl)imidazo[1,2-a]pyridin-2-yl)phenylamino)-4-oxobutanoic acid 1073119-25-1 C25H27Cl3N4O4
    4-(2-chloro-5-(6,8-dichloro-3-(2-(dipropylamino)-2-oxoethyl)imidazo[1,2-a]pyridin-2-yl)phenylamino)-4-oxobutanoic acid
    —— 4-{ [tert-butyl(diphenyl)silyl]oxy}-1-{3-[2-(tetrahydro-2H-pyran-2-yloxy) ethyl]phenyl } piperidine 396091-36-4 C34H45NO3Si
    4-{ [tert-butyl(diphenyl)silyl]oxy}-1-{3-[2-(tetrahydro-2H-pyran-2-yloxy) ethyl]phenyl } piperidine
    —— 4-amino-2-methyl-6-oxo-6-phenyl-hex-4-enoic acid methyl ester 798555-63-2 C14H17NO3
    4-amino-2-methyl-6-oxo-6-phenyl-hex-4-enoic acid methyl ester
    —— 4-[Bis(naphthalen-1-ylmethyl)amino]butanoic acid 129041-16-3 C26H25NO2
    4-[Bis(naphthalen-1-ylmethyl)amino]butanoic acid
    —— 4'-Bromo-4-[trans-5-[[(1R,2R)-2-(2,4-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]thio]-1,3-dioxan-2-yl]benzanilide 364082-18-8 C29H27BrF2N4O4S
    4'-Bromo-4-[trans-5-[[(1R,2R)-2-(2,4-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]thio]-1,3-dioxan-2-yl]benzanilide
    —— 4-<4-(Ethoxycarbonyl)-1-piperazinyl>-1,3-dihydro-1-methyl-2H-1,5-benzodiazepin-2-one 141277-98-7 C17H22N4O3
    4-<4-(Ethoxycarbonyl)-1-piperazinyl>-1,3-dihydro-1-methyl-2H-1,5-benzodiazepin-2-one
    —— 4-methyl-7-formylmethyloxy-8-methoxycoumarin 1228691-29-9 C13H12O5
    4-methyl-7-formylmethyloxy-8-methoxycoumarin
    —— 4-Ureidoetodolac 111478-85-4 C18H23N3O4
    4-Ureidoetodolac
    —— 4-nitrophenyl N-[(5-[[3-(trifluoromethyl)benzene]sulfonyl]pyridin-2-yl)methyl]carbamate 1454252-76-6 C20H14F3N3O6S
    4-nitrophenyl N-[(5-[[3-(trifluoromethyl)benzene]sulfonyl]pyridin-2-yl)methyl]carbamate
    —— 4-((3-(trifluoromethyl)phenyl)sulfonyl)picolinonitrile 1374864-81-9 C13H7F3N2O2S
    4-((3-(trifluoromethyl)phenyl)sulfonyl)picolinonitrile
    —— 4-((3-(trifluoromethyl)phenyl)sulfonyl)benzonitrile 1374864-78-4 C14H8F3NO2S
    4-((3-(trifluoromethyl)phenyl)sulfonyl)benzonitrile
    —— 4-[[5-[(Methoxyamino)carbonyl]-2-methylphenyl]amino]-5-methyl-N-(phenylmethyl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxamide 427878-15-7 C24H24N6O3
    4-[[5-[(Methoxyamino)carbonyl]-2-methylphenyl]amino]-5-methyl-N-(phenylmethyl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxamide
    —— 4-methoxy-2,3,6-trimethyl-N-(2-methylpyridin-3-yl)benzenesulfonamide 1215008-92-6 C16H20N2O3S
    4-methoxy-2,3,6-trimethyl-N-(2-methylpyridin-3-yl)benzenesulfonamide
    —— (4aS,5S,13bR)-5-Hydroxy-11,12-dimethoxy-6-oxo-1,2,3,4,5,6,8,9-octahydro-indolo[7a,1-a]isoquinoline-4a-carboxylic acid ethyl ester 130655-24-2 C21H27NO6
    (4aS,5S,13bR)-5-Hydroxy-11,12-dimethoxy-6-oxo-1,2,3,4,5,6,8,9-octahydro-indolo[7a,1-a]isoquinoline-4a-carboxylic acid ethyl ester
    —— 4-((3-(trifluoromethyl)phenyl)thio)picolinonitrile 1374864-80-8 C13H7F3N2S
    4-((3-(trifluoromethyl)phenyl)thio)picolinonitrile
    —— 4,5-Dimethyl-1-<p-toluolsulfonamido>-1,2,3-triazol 412312-40-4 C11H14N4O2S
    4,5-Dimethyl-1-<p-toluolsulfonamido>-1,2,3-triazol
    —— (4-chloro-6-methyl-quinolin-7-yl)-methanol 507242-81-1 C11H10ClNO
    (4-chloro-6-methyl-quinolin-7-yl)-methanol
    —— 4-[(4-chloro-2,6-dimethyl-quinolin-7-ylmethyl)-amino]-benzonitrile 507243-49-4 C19H16ClN3
    4-[(4-chloro-2,6-dimethyl-quinolin-7-ylmethyl)-amino]-benzonitrile
    —— 4-[3-(3-Trifluoromethyl-phenylsulfanyl)-propyl]-1H-imidazole 184030-82-8 C13H13F3N2S
    4-[3-(3-Trifluoromethyl-phenylsulfanyl)-propyl]-1H-imidazole
    —— 4-fluoro-1-(5-(4-fluorophenoxy)pyridin-3-yl)piperidine-4-carboxylic acid 1580440-58-9 C17H16F2N2O3
    4-fluoro-1-(5-(4-fluorophenoxy)pyridin-3-yl)piperidine-4-carboxylic acid
    —— 4-(3,4,5-triphenyl-thiophene-2-carbonyl)-morpholine 65714-09-2 C27H23NO2S
    4-(3,4,5-triphenyl-thiophene-2-carbonyl)-morpholine
    —— 4-ethoxycarbonyl-1-methyl-quinolinium; iodide 56153-32-3 C13H14NO2*I
    4-ethoxycarbonyl-1-methyl-quinolinium; iodide
    —— 4-[2,6-difluoro-4-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenoxy]-piperidine-1-carboxylic acid tert-butyl ester 1005402-95-8 C20H25F2N3O4
    4-[2,6-difluoro-4-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)-phenoxy]-piperidine-1-carboxylic acid tert-butyl ester
    —— 4-Amino-N-[1-(1H-benzimidazol-5-yl-methyl)-2-(4-carboxy-piperidin-1-yl)-2-oxo-ethyl]-3,5-dichlorobenzenesulphonamide 152134-89-9 C22H23Cl2N5O5S
    4-Amino-N-[1-(1H-benzimidazol-5-yl-methyl)-2-(4-carboxy-piperidin-1-yl)-2-oxo-ethyl]-3,5-dichlorobenzenesulphonamide
    —— 4-Diphenylphosphinoylbut-1-ene 793-42-0 C19H21OP
    4-Diphenylphosphinoylbut-1-ene
    —— 4-cyclobutylpiperidine hydrochloride 1448682-52-7 C9H17N*ClH
    4-cyclobutylpiperidine hydrochloride