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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-naphthalen-1-yl-2,7-diphenyl-2H-pyrazolo[3,4-d]pyridazine 1273553-87-9 C27H18N4
    4-naphthalen-1-yl-2,7-diphenyl-2H-pyrazolo[3,4-d]pyridazine
    —— 4-((4R)-2-amino-7'-(3-pyridinyl)spiro[1,3-oxazole-4,9'-xanthen]-2'-yl)-3-butyn-1-ol 1215866-79-7 C24H19N3O3
    4-((4R)-2-amino-7'-(3-pyridinyl)spiro[1,3-oxazole-4,9'-xanthen]-2'-yl)-3-butyn-1-ol
    —— 4-[cyclopropyl-(4-oxazol-5-yl-benzoyl)-amino]-piperidine-1-carboxylic acid 2,2-dimethyl-propyl ester 1578190-38-1 C24H31N3O4
    4-[cyclopropyl-(4-oxazol-5-yl-benzoyl)-amino]-piperidine-1-carboxylic acid 2,2-dimethyl-propyl ester
    —— 4-methoxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246169-68-6 C15H14O3S2
    4-methoxy-3-phenylthio-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 4-(5-Chlorobenzoxazol-2-yl)-1-benzyl-1,2,3,6-tetrahydropyridine hydrogen Oxalate 199329-02-7 C2H2O4*C19H17ClN2O
    4-(5-Chlorobenzoxazol-2-yl)-1-benzyl-1,2,3,6-tetrahydropyridine hydrogen Oxalate
    —— (4S)-2'-(2,2-dimethylpropoxy)-7'-(1-methyl-1H-pyrazol-4-yl)spiro[1,3-oxazole-4,9'-xanthen]-2-amine 1215865-17-0 C24H26N4O3
    (4S)-2'-(2,2-dimethylpropoxy)-7'-(1-methyl-1H-pyrazol-4-yl)spiro[1,3-oxazole-4,9'-xanthen]-2-amine
    —— 4-(2-(piperidin-1-yl)ethyl)carbamoyl-3-(4-nitrophenyl)sulfonyl-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246176-15-8 C22H25N3O7S2
    4-(2-(piperidin-1-yl)ethyl)carbamoyl-3-(4-nitrophenyl)sulfonyl-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 4-(2-methylpiperidino)-5-hydroxy-2,6,6-trimethyl-2-cyclohepten-1-one hydrochloride 184433-09-8 C16H27NO2*ClH
    4-(2-methylpiperidino)-5-hydroxy-2,6,6-trimethyl-2-cyclohepten-1-one hydrochloride
    —— (4-{3-[4-(2-bromo-5-fluorophenoxy)piperidin-1-yl]-1,2,4-oxadiazol-5-yl}-1H-pyrazol-1-yl)acetic acid 1030612-94-2 C18H17BrFN5O4
    (4-{3-[4-(2-bromo-5-fluorophenoxy)piperidin-1-yl]-1,2,4-oxadiazol-5-yl}-1H-pyrazol-1-yl)acetic acid
    —— (4-chloro-phenyl)-(3H-imidazol-4-ylmethyl)-oxetan-3-yl-amine 1020814-97-4 C13H14ClN3O
    (4-chloro-phenyl)-(3H-imidazol-4-ylmethyl)-oxetan-3-yl-amine
    —— 4-(pyridin-2-ylmethyl)carbamoyl-3-phenylsulfonyl-2,3-dihydro-1,1-dioxidebenzo[b]thiophene 246172-44-1 C21H18N2O5S2
    4-(pyridin-2-ylmethyl)carbamoyl-3-phenylsulfonyl-2,3-dihydro-1,1-dioxidebenzo[b]thiophene
    —— 4-(Chloromethyl)-2-(cyclopropylmethyl)-6-methylpyrimidine 1514384-86-1 C10H13ClN2
    4-(Chloromethyl)-2-(cyclopropylmethyl)-6-methylpyrimidine
    —— 4-p-Nitrobenzolsulfonyloxy-bicyclo<2.2.2>octan-1-carbonsaeure 66789-29-5 C15H17NO7S
    4-p-Nitrobenzolsulfonyloxy-bicyclo<2.2.2>octan-1-carbonsaeure
    —— 4-N-acetyl-5'-O-(n-nonyloxycarbonyl)-3'-O-triisopropylsilyl-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine 1003294-35-6 C31H52N4O7Si
    4-N-acetyl-5'-O-(n-nonyloxycarbonyl)-3'-O-triisopropylsilyl-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
    —— 4,4'-Dimethoxy-3,3'-dimethyl-biphenyl-2,2'-dicarbaldehyde 69496-37-3 C18H18O4
    4,4'-Dimethoxy-3,3'-dimethyl-biphenyl-2,2'-dicarbaldehyde
    —— (4-mercapto-pyrazol-1-yl)-acetic acid ethyl ester 1415474-53-1 C7H10N2O2S
    (4-mercapto-pyrazol-1-yl)-acetic acid ethyl ester
    —— 4-(2'-oxobutylidene)-2,2,5,5-tetramethyl-3-imidazolin-1-oxyl 129241-92-5 C11H19N2O2
    4-(2'-oxobutylidene)-2,2,5,5-tetramethyl-3-imidazolin-1-oxyl
    —— 4-(1,1-Dimethyl-2-oxo-ethyl)-hex-5-ynoic acid methyl ester 61031-81-0 C11H16O3
    4-(1,1-Dimethyl-2-oxo-ethyl)-hex-5-ynoic acid methyl ester
    —— 4-chlorophenylbis(t-butylphenyl)methyl ethyl ether 125016-94-6 C29H35ClO
    4-chlorophenylbis(t-butylphenyl)methyl ethyl ether
    —— 4-[4-(2-chloro-pyridin-4-ylethynyl)-2,5-dimethyl-imidazol-1-yl]-1-(2-methoxy-ethyl)-1H-pyridin-2-one 1262423-13-1 C20H19ClN4O2
    4-[4-(2-chloro-pyridin-4-ylethynyl)-2,5-dimethyl-imidazol-1-yl]-1-(2-methoxy-ethyl)-1H-pyridin-2-one
    —— (4R)-4-benzyl-3-((2S,4S,6S)-2,4,6-trimethyloctanoyl)oxazolidin-2-one 1616376-36-3 C21H31NO3
    (4R)-4-benzyl-3-((2S,4S,6S)-2,4,6-trimethyloctanoyl)oxazolidin-2-one
    —— 4-Methyl-6-(4-nitro-phenyl)-phenanthridine 112422-25-0 C20H14N2O2
    4-Methyl-6-(4-nitro-phenyl)-phenanthridine
    —— 4(5)-acetyl-5(4)-methyl-2-aminoimidazole 40483-45-2 C6H9N3O
    4(5)-acetyl-5(4)-methyl-2-aminoimidazole
    —— 4-CL-3-CF3-C6H3Nhn=C(CN)cooet 28313-57-7 C12H9ClF3N3O2
    4-CL-3-CF3-C6H3Nhn=C(CN)cooet
    —— 4,5,6,7-Tetrahydro-3-hydroxy-8H-thieno<2,3-b>indol-2,8-dicarbonsaeuredimethylester 80289-09-4 C14H15NO5S
    4,5,6,7-Tetrahydro-3-hydroxy-8H-thieno<2,3-b>indol-2,8-dicarbonsaeuredimethylester
    —— 4,6-Di-O-acetyl-2-O-benzoyl-β-D-glucopyranosyl-(1->3)-2-O-benzoyl-4,6-O-benzylidene-β-D-gluco-pyranosyl-(1->3)-4,6-di-O-acetyl-2-O-benzoyl-α-D-glucopyranoside 311349-81-2 C57H60O23
    4,6-Di-O-acetyl-2-O-benzoyl-β-D-glucopyranosyl-(1->3)-2-O-benzoyl-4,6-O-benzylidene-β-D-gluco-pyranosyl-(1->3)-4,6-di-O-acetyl-2-O-benzoyl-α-D-glucopyranoside
    —— 4'-Methoxy-5'-methyl-benzo<1.2>cyclooctenon-(3) 97438-41-0 C14H18O2
    4'-Methoxy-5'-methyl-benzo<1.2>cyclooctenon-(3)
    —— 4,4'-bis-diethylaminomethyl-[2,2']bithiazolyl 101447-44-3 C16H26N4S2
    4,4'-bis-diethylaminomethyl-[2,2']bithiazolyl
    —— 4-(2-morpholino-acetylamino)-benzoic acid-(1-methyl-heptyl ester) 116130-57-5 C21H32N2O4
    4-(2-morpholino-acetylamino)-benzoic acid-(1-methyl-heptyl ester)
    —— 4-Methyl-3-(2-diethylaminoethyl)-pyrrol 91211-44-8 C11H20N2
    4-Methyl-3-(2-diethylaminoethyl)-pyrrol
    —— 4-(4-methoxyphenyl)-5-(morpholin-4-yl)-3-phenylthiophen-2(3H)-one 1393898-14-0 C21H21NO3S
    4-(4-methoxyphenyl)-5-(morpholin-4-yl)-3-phenylthiophen-2(3H)-one
    —— (4S,5R)-3-propionyl-2,2-dimethyl-4-fluoromethyl-5-[4-(methylsulfonyl)phenyl]-1,3-oxazolidine 929115-19-5 C16H22FNO4S
    (4S,5R)-3-propionyl-2,2-dimethyl-4-fluoromethyl-5-[4-(methylsulfonyl)phenyl]-1,3-oxazolidine
    —— 4,7a-Dimethyl-3,5,6,7a-tetrahydro-azuleno[6,5-b]furan-2,7-dione 129179-74-4 C14H14O3
    4,7a-Dimethyl-3,5,6,7a-tetrahydro-azuleno[6,5-b]furan-2,7-dione
    —— 4-Phenyl-α-keto-buttersaeure-<2,4-dinitro-phenylhydrazon> 31334-73-3 C16H14N4O6
    4-Phenyl-α-keto-buttersaeure-<2,4-dinitro-phenylhydrazon>
    —— 4-Hydroxy-5-[1-(5-methyl-1H-benzoimidazol-2-yl)-1-phenyl-meth-(E)-ylidene]-3-phenyl-5H-furan-2-one 106390-98-1 C25H18N2O3
    4-Hydroxy-5-[1-(5-methyl-1H-benzoimidazol-2-yl)-1-phenyl-meth-(E)-ylidene]-3-phenyl-5H-furan-2-one
    —— 4-T-Heptan 92204-46-1 C7H16
    4-T-Heptan
    —— (4-methyl-2,5-dioxo-4-phenyl-imidazolidin-1-yl)-acetic acid-(2-dibutylamino-ethyl ester) 119246-42-3 C22H33N3O4
    (4-methyl-2,5-dioxo-4-phenyl-imidazolidin-1-yl)-acetic acid-(2-dibutylamino-ethyl ester)
    —— 4-(N-Allyl-N-methylamino)-4-phenylcyclohexanon 79741-40-5 C16H21NO
    4-(N-Allyl-N-methylamino)-4-phenylcyclohexanon
    —— 4-(4-((4-ethylpiperazin-1-yl)methyl)-2-fluorophenyl)-5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-N-isopropyl-4H-1,2,4-triazole-3-carboxamide 1207599-23-2 C29H39FN6O3
    4-(4-((4-ethylpiperazin-1-yl)methyl)-2-fluorophenyl)-5-(2-hydroxy-5-isopropyl-4-methoxyphenyl)-N-isopropyl-4H-1,2,4-triazole-3-carboxamide
    —— 4-(4-hydroxy-3-methoxybenzylideneamino)-5-(4-isopropylthiazol-2-yl)-4H-1,2,4-triazole-3-thiol 1225196-45-1 C16H17N5O2S2
    4-(4-hydroxy-3-methoxybenzylideneamino)-5-(4-isopropylthiazol-2-yl)-4H-1,2,4-triazole-3-thiol
    —— 4,10-dithia-7-oxatridecane-2,12-dione dioxime 284669-85-8 C10H20N2O3S2
    4,10-dithia-7-oxatridecane-2,12-dione dioxime
    —— 4,6-Dichloro-3-(naphthalen-1-ylcarbamoylethynyl)-1H-indole-2-carboxylic acid ethyl ester 237764-06-6 C24H16Cl2N2O3
    4,6-Dichloro-3-(naphthalen-1-ylcarbamoylethynyl)-1H-indole-2-carboxylic acid ethyl ester
    —— 4-Isopropyl-2-trifluoromethyl-pyrimidine-5-carboxylic acid methyl ester 915376-26-0 C10H11F3N2O2
    4-Isopropyl-2-trifluoromethyl-pyrimidine-5-carboxylic acid methyl ester
    —— 4-(1,3-dioxo-6-sulfo-1H,3H-benzo[de]isoquinolin-2-yl)-butanoic acid 929519-63-1 C16H13NO7S
    4-(1,3-dioxo-6-sulfo-1H,3H-benzo[de]isoquinolin-2-yl)-butanoic acid
    —— {4-[4-(2-cyclobutylacetyl)-3-hydroxy-2-trifluoromethylphenoxymethyl]benzyl}carbamic acid tert-butyl ester 1204738-49-7 C26H30F3NO5
    {4-[4-(2-cyclobutylacetyl)-3-hydroxy-2-trifluoromethylphenoxymethyl]benzyl}carbamic acid tert-butyl ester
    —— 4-Chlor-N.N-bis-chlormethansulfonyl-anilin 52316-49-1 C8H8Cl3NO4S2
    4-Chlor-N.N-bis-chlormethansulfonyl-anilin
    —— 4-[(1S,2R)-3-(tert-Butyl-diphenyl-silanyloxy)-1,2-dihydroxy-propyl]-4-hydroxy-dihydro-furan-2-one 197861-90-8 C23H30O6Si
    4-[(1S,2R)-3-(tert-Butyl-diphenyl-silanyloxy)-1,2-dihydroxy-propyl]-4-hydroxy-dihydro-furan-2-one
    —— 4-(pyridin-3-yl)butyric acid hydrochloride 176446-91-6 C9H11NO2*ClH
    4-(pyridin-3-yl)butyric acid hydrochloride
    —— 4-Diphenylamino-6-ethoxy-N-hydroxy-[1,3,5]triazine-2-carboxamidine 696622-28-3 C18H18N6O2
    4-Diphenylamino-6-ethoxy-N-hydroxy-[1,3,5]triazine-2-carboxamidine
    —— 4-bromo-2,5-dimethyl-3-oxohex-4-en-2-yl hypobromothioite 83044-73-9 C8H12Br2OS
    4-bromo-2,5-dimethyl-3-oxohex-4-en-2-yl hypobromothioite