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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-methoxy-1-(4-methoxy-phenyl)-2,6-dimethyl-pyridinium 69265-87-8 C15H18NO2
    4-methoxy-1-(4-methoxy-phenyl)-2,6-dimethyl-pyridinium
    —— 4-{1-acetyl-4-[(4-fluorophenyl)amino]-2-methyl-1,2,3,4-tetrahydro-6-quinolinyl}benzoic acid 1300691-53-5 C25H23FN2O3
    4-{1-acetyl-4-[(4-fluorophenyl)amino]-2-methyl-1,2,3,4-tetrahydro-6-quinolinyl}benzoic acid
    —— 4-bromo-8-(1-bromoethyl)-1-hydroxybenzo<d>naphtho<1,2-b>pyran-6-one 139277-33-1 C19H12Br2O3
    4-bromo-8-(1-bromoethyl)-1-hydroxybenzo<d>naphtho<1,2-b>pyran-6-one
    —— 4-((S)-6-Benzyloxycarbonylamino-2-tert-butoxycarbonylamino-hexanoylamino)-benzoic acid methyl ester 138848-83-6 C27H35N3O7
    4-((S)-6-Benzyloxycarbonylamino-2-tert-butoxycarbonylamino-hexanoylamino)-benzoic acid methyl ester
    —— 4-methyl-6-{[3-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-pyrrolo[3,2-b]pyridin-1-yl]sulfonyl}-3,4-dihydro-2H-1,4-benzoxazine hydroformate 1116128-76-7 CH2O2*C22H24N4O3S
    4-methyl-6-{[3-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-pyrrolo[3,2-b]pyridin-1-yl]sulfonyl}-3,4-dihydro-2H-1,4-benzoxazine hydroformate
    —— 4-{4-[2-(methylsulfonyl)benzyl]piperazin-1-yl}-6-(1H-4-pyrazolyl)quinazoline hydrochloride 474705-31-2 C23H24N6O2S*ClH
    4-{4-[2-(methylsulfonyl)benzyl]piperazin-1-yl}-6-(1H-4-pyrazolyl)quinazoline hydrochloride
    —— 4(3H)-Pyrimidinone, 2-(2-cyclohexen-1-ylthio)- 2167370-99-0 C10H12N2OS
    4(3H)-Pyrimidinone, 2-(2-cyclohexen-1-ylthio)-
    —— (4-Methoxyphenyl)methyl 14-(4-methoxyphenyl)-12-oxo-13-oxa-2,7,11-triazatetradecanoate 1033774-91-2 C25H35N3O6
    (4-Methoxyphenyl)methyl 14-(4-methoxyphenyl)-12-oxo-13-oxa-2,7,11-triazatetradecanoate
    —— 4-[(3,4,4-Trifluoro-3-buten-1-yl)thio]-1H-pyrazole 477711-78-7 C7H7F3N2S
    4-[(3,4,4-Trifluoro-3-buten-1-yl)thio]-1H-pyrazole
    —— 4'-[2-[[(2R)-2-hydroxy-2-phenylethyl]amino]ethyl]-N-(isobutylsulfonyl)-3-isopropoxy-4-biphenylcarboxamide hydrochloride 855478-44-3 C30H38N2O5S*ClH
    4'-[2-[[(2R)-2-hydroxy-2-phenylethyl]amino]ethyl]-N-(isobutylsulfonyl)-3-isopropoxy-4-biphenylcarboxamide hydrochloride
    —— 4-[4-(4-fluorophenylamino)pyrimidin-2-ylamino]-N-methyl-N-(1-methylazepan-4-yl)benzenesulfon-amide 919200-85-4 C24H29FN6O2S
    4-[4-(4-fluorophenylamino)pyrimidin-2-ylamino]-N-methyl-N-(1-methylazepan-4-yl)benzenesulfon-amide
    —— 4-Cyano-4-(2-fluoro-phenyl)-3-p-tolyl-butyric acid ethyl ester 100899-43-2 C20H20FNO2
    4-Cyano-4-(2-fluoro-phenyl)-3-p-tolyl-butyric acid ethyl ester
    —— 4,5-dihydro-2-(4-iodophenyl)-3-(3,4,5-trimethoxyphenyl)-2H-benzo[g]indazole 1432465-05-8 C26H23IN2O3
    4,5-dihydro-2-(4-iodophenyl)-3-(3,4,5-trimethoxyphenyl)-2H-benzo[g]indazole
    —— 4-(Dimethylamino)-2-methyl-1-[2-(2-phenylethyl)phenyl]-1-butanone 39500-58-8 C21H27NO
    4-(Dimethylamino)-2-methyl-1-[2-(2-phenylethyl)phenyl]-1-butanone
    —— 4,5-Dihydro-7-methoxy-N-thiazolo[5,4-b]pyridin-2-ylnaphth[2,1-d]isoxazole-3-carboxamide 176432-05-6 C19H14N4O3S
    4,5-Dihydro-7-methoxy-N-thiazolo[5,4-b]pyridin-2-ylnaphth[2,1-d]isoxazole-3-carboxamide
    —— 4-Amino-3,5-dibromo-2-methoxybenzoic acid 84923-72-8 C8H7Br2NO3
    4-Amino-3,5-dibromo-2-methoxybenzoic acid
    —— 4-[2-Cyano-2-(2-methoxyphenyl)ethenyl]phenyl 2-methylpropanoate 1217201-90-5 C20H19NO3
    4-[2-Cyano-2-(2-methoxyphenyl)ethenyl]phenyl 2-methylpropanoate
    —— 4,5,7-Trichloro-2-(trichloromethyl)benzoxazole 14600-31-8 C8HCl6NO
    4,5,7-Trichloro-2-(trichloromethyl)benzoxazole
    —— 4-Oxa-2-thia-3-phospha-1-stannahexane, 3-(chloromethyl)-1,1,1-tricyclohexyl-, 3-sulfide 58262-45-6 C21H40ClOPS2Sn
    4-Oxa-2-thia-3-phospha-1-stannahexane, 3-(chloromethyl)-1,1,1-tricyclohexyl-, 3-sulfide
    —— 4-(2,2-Dimethylpropyl)-1,2-benzenedicarboxylic acid 859299-74-4 C13H16O4
    4-(2,2-Dimethylpropyl)-1,2-benzenedicarboxylic acid
    —— 4-Chloro-N-[(1,1-dimethylethoxy)carbonyl]-D-phenylalanyl-3-(3-pyridinyl)-D-alanine 556053-24-8 C22H26ClN3O5
    4-Chloro-N-[(1,1-dimethylethoxy)carbonyl]-D-phenylalanyl-3-(3-pyridinyl)-D-alanine
    —— 4H-Pyran-4-one, 2,6-diethyltetrahydro-3,5-dimethyl-, cis- 21488-44-8 C11H20O2
    4H-Pyran-4-one, 2,6-diethyltetrahydro-3,5-dimethyl-, cis-
    —— 4-Isoxazolecarboxylic acid, 5-(1-methylethyl)-3-(2-pyridinylmethyl)-, methyl ester 2104220-55-3 C14H16N2O3
    4-Isoxazolecarboxylic acid, 5-(1-methylethyl)-3-(2-pyridinylmethyl)-, methyl ester
    —— 4-Piperidinecarboxylic acid, 1-[4-[[[(3-butoxypropyl)amino]carbonyl]amino]benzoyl]-, methyl ester 2204380-00-5 C22H33N3O5
    4-Piperidinecarboxylic acid, 1-[4-[[[(3-butoxypropyl)amino]carbonyl]amino]benzoyl]-, methyl ester
    —— 4-(2-methyl-3-(4-methylbenzamido)phenyl)-7-(4-methylpiperazine-1-carbonyl)-9H-carbazole-1-carboxamide trifluoroacetate 1231884-52-8 C2HF3O2*C34H33N5O3
    4-(2-methyl-3-(4-methylbenzamido)phenyl)-7-(4-methylpiperazine-1-carbonyl)-9H-carbazole-1-carboxamide trifluoroacetate
    —— 4-[17β-hydroxy-17α-(tetrahydrohydropyranoyloxy)methyl-3-oxoestra-4,9-dien-11β-yl]benzaldehyde-1-(E)-[O-(ethylamino)-carbonyl]oxime 832137-46-9 C34H44N2O6
    4-[17β-hydroxy-17α-(tetrahydrohydropyranoyloxy)methyl-3-oxoestra-4,9-dien-11β-yl]benzaldehyde-1-(E)-[O-(ethylamino)-carbonyl]oxime
    —— (4-Isopropyl-2,6,7-trioxa-1λ<sup>5</sup>-phospha-bicyclo[2.2.2]oct-1-ylidene)-carbamic acid pentyl ester 141869-13-8 C13H24NO5P
    (4-Isopropyl-2,6,7-trioxa-1λ<sup>5</sup>-phospha-bicyclo[2.2.2]oct-1-ylidene)-carbamic acid pentyl ester
    —— 4,4-dimethyl-3-(N,N-dimethylcarbamoyloxy)-1-[4-(N,N-dimethylcarbamoyloxycarbonyl)phenyl]-2-pyrazoline 134425-71-1 C18H24N4O5
    4,4-dimethyl-3-(N,N-dimethylcarbamoyloxy)-1-[4-(N,N-dimethylcarbamoyloxycarbonyl)phenyl]-2-pyrazoline
    —— (4-Chloro-2-chlorosulfonyl-phenoxy)-acetic acid ethyl ester 4486-74-2 C10H10Cl2O5S
    (4-Chloro-2-chlorosulfonyl-phenoxy)-acetic acid ethyl ester
    —— 4-N-(tert-butoxycarbonyl)-5'-O-dimethoxytrityl-3'-O-triisopropylsilyl-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine 903561-52-4 C45H58N4O8Si
    4-N-(tert-butoxycarbonyl)-5'-O-dimethoxytrityl-3'-O-triisopropylsilyl-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
    —— 4-(4-((6-((trans-4-aminocyclohexyl)amino)-3-(4-pyridinylcarbamoyl)imidazo[1,2-b]pyridazin-8-yl)amino)phenyl)butanoic acid 1177414-25-3 C28H32N8O3
    4-(4-((6-((trans-4-aminocyclohexyl)amino)-3-(4-pyridinylcarbamoyl)imidazo[1,2-b]pyridazin-8-yl)amino)phenyl)butanoic acid
    —— [{4-[3-(2,3-dichlorophenyl)-[1,2,4]oxadiazol-5-ylmethylene]-cyclohexyl}-(3-fluorophenyl)-methyl]-dimethylamine 943003-26-7 C24H24Cl2FN3O
    [{4-[3-(2,3-dichlorophenyl)-[1,2,4]oxadiazol-5-ylmethylene]-cyclohexyl}-(3-fluorophenyl)-methyl]-dimethylamine
    —— (4aS,10aR)-2,2-dimethyl-4a,7,8,9,10,10a-hexahydro-4H-[1,3]dioxino[5,4-b]oxocin-6-one 1448252-72-9 C11H18O4
    (4aS,10aR)-2,2-dimethyl-4a,7,8,9,10,10a-hexahydro-4H-[1,3]dioxino[5,4-b]oxocin-6-one
    —— 4-Amino-2-benzyl-5-phenylpyrimidine 139041-06-8 C17H15N3
    4-Amino-2-benzyl-5-phenylpyrimidine
    —— 4-(2-Hydroxypropyl)-3-phenyl-Δ<sup>2</sup>-1.2.4-oxadiazolin-5-on 56493-58-4 C11H12N2O3
    4-(2-Hydroxypropyl)-3-phenyl-Δ<sup>2</sup>-1.2.4-oxadiazolin-5-on
    —— [4-(4-benzylsulfanyl-benzyl)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid 1227370-30-0 C27H23FO2S
    [4-(4-benzylsulfanyl-benzyl)-6-fluoro-3-methyl-naphthalen-2-yl]-acetic acid
    —— 4-methoxy-9-methyl-6,9-dihydro-7H-[1,3]dioxolo[4,5-h]isoquinoline-8-carboxylic acid ethyl ester 35646-04-9 C15H19NO5
    4-methoxy-9-methyl-6,9-dihydro-7H-[1,3]dioxolo[4,5-h]isoquinoline-8-carboxylic acid ethyl ester
    —— 4-Ethoxycarbonyl-2,6-bis<(5-tert-butyl-2-hydroxyphenyl)methyl>phenol 127679-81-6 C31H38O5
    4-Ethoxycarbonyl-2,6-bis<(5-tert-butyl-2-hydroxyphenyl)methyl>phenol
    —— 4-methoxy-N-((2-(4-nitrostyryl)-4-oxoquinazolin-3(4H)-yl)carbamoyl)benzenesulfonamide 109274-42-2 C24H19N5O7S
    4-methoxy-N-((2-(4-nitrostyryl)-4-oxoquinazolin-3(4H)-yl)carbamoyl)benzenesulfonamide
    —— 4a,5,6,7,8,8a-hexahydro-3-methyl-8-oxo-8a-(1-piperidinyl)-4-phenyl-4H-1,2-benzoxazine N-oxide 86770-62-9 C20H26N2O3
    4a,5,6,7,8,8a-hexahydro-3-methyl-8-oxo-8a-(1-piperidinyl)-4-phenyl-4H-1,2-benzoxazine N-oxide
    —— 4-acetoxy-5-methyl-2-βstyryl-2-(trifluoromethyl)-2H-pyrrole 1061567-53-0 C16H14F3NO2
    4-acetoxy-5-methyl-2-βstyryl-2-(trifluoromethyl)-2H-pyrrole
    —— [4-(2,6-Dimethoxy-naphthalen-1-ylsulfanyl)-5-methyl-[1,3]dithiol-2-yl]-dimethyl-amine 698358-02-0 C18H21NO2S3
    [4-(2,6-Dimethoxy-naphthalen-1-ylsulfanyl)-5-methyl-[1,3]dithiol-2-yl]-dimethyl-amine
    —— 4,6-di-O-acetyl-2,3-dideoxy-3-ethylthio-α-D-arabino-hexopyranosyl-(1->1)-4,6-di-O-acetyl-2,3-dideoxy-3-ethylthio-α-D-arabino-hexopyranose 1320337-35-6 C24H38O11S2
    4,6-di-O-acetyl-2,3-dideoxy-3-ethylthio-α-D-arabino-hexopyranosyl-(1->1)-4,6-di-O-acetyl-2,3-dideoxy-3-ethylthio-α-D-arabino-hexopyranose
    —— 4-(4-Methoxy-phenyl)-3-piperidin-2-yl-hexan-3-ol 4517-03-7 C18H29NO2
    4-(4-Methoxy-phenyl)-3-piperidin-2-yl-hexan-3-ol
    —— 4,4'-dimethyl-2,4,2',4'-tetrahydro-5,5'-ethane-1,2-diyl-bis-[1,2,4]triazole-3-selone 37564-26-4 C8H12N6Se2
    4,4'-dimethyl-2,4,2',4'-tetrahydro-5,5'-ethane-1,2-diyl-bis-[1,2,4]triazole-3-selone
    —— (4-butyl-phenyl)-acetic acid dodecyl ester 103167-96-0 C24H40O2
    (4-butyl-phenyl)-acetic acid dodecyl ester
    —— 4,4'-[6-(4-chloro-phenyl)-2-phenyl-pyrimidine-4,5-diyl]-bis-morpholine 68167-52-2 C24H25ClN4O2
    4,4'-[6-(4-chloro-phenyl)-2-phenyl-pyrimidine-4,5-diyl]-bis-morpholine
    —— 4,4'-[6,6'-bis-(3-methyl-anilino)-4,4'-(4,4'-sulfonyl-dianilino)-bis-[1,3,5]triazin-2-ylamino]-bis-benzoic acid diethyl ester 66896-19-3 C50H46N12O6S
    4,4'-[6,6'-bis-(3-methyl-anilino)-4,4'-(4,4'-sulfonyl-dianilino)-bis-[1,3,5]triazin-2-ylamino]-bis-benzoic acid diethyl ester
    —— 4-isopropyl-4-(2-nitro-1-phenyl-ethyl)-1,2-diphenyl-pyrazolidine-3,5-dione 67960-16-1 C26H25N3O4
    4-isopropyl-4-(2-nitro-1-phenyl-ethyl)-1,2-diphenyl-pyrazolidine-3,5-dione
    —— 4-Brombenzol-4'-(2',5'-dimethylthiazol)-disulfonamid 69202-69-3 C11H11BrN2O4S3
    4-Brombenzol-4'-(2',5'-dimethylthiazol)-disulfonamid