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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4,5,6,7-Tetramethyl-1-oxa-6-aza-spiro[2.5]octane-2-carboxylic acid 3-morpholin-4-yl-propyl ester 42502-93-2 C18H32N2O4
    4,5,6,7-Tetramethyl-1-oxa-6-aza-spiro[2.5]octane-2-carboxylic acid 3-morpholin-4-yl-propyl ester
    —— (4R,5S)-methyl 5-((R)-2-(tert-butyldimethylsilylhydroxy)pent-4-enyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate 1379678-50-8 C18H34O5Si
    (4R,5S)-methyl 5-((R)-2-(tert-butyldimethylsilylhydroxy)pent-4-enyl)-2,2-dimethyl-1,3-dioxolane-4-carboxylate
    —— 4,4'-(4,5,4',5'-tetra-<i>p</i>-tolyl-[1,1']biimidazolyl-2,2'-diyl)-bis-quinoline 49573-22-0 C52H40N6
    4,4'-(4,5,4',5'-tetra-<i>p</i>-tolyl-[1,1']biimidazolyl-2,2'-diyl)-bis-quinoline
    —— 4,4-difluoro-2,6-bis[(2-formyl)pyrid-5-yl]-8-{3,5-bis[2-(2-(2-hydroxyethoxy)ethoxy)ethoxy]phenyl}1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene 1151762-01-4 C43H49BF2N4O10
    4,4-difluoro-2,6-bis[(2-formyl)pyrid-5-yl]-8-{3,5-bis[2-(2-(2-hydroxyethoxy)ethoxy)ethoxy]phenyl}1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene
    —— ((4-NC5H3)C(H)N(C6H3O-2-tBu-5)palladium(II))2(dppb) 1217501-71-7 C60H60N4O2P2Pd2
    ((4-NC5H3)C(H)N(C6H3O-2-tBu-5)palladium(II))2(dppb)
    —— 4-Methyl-1.1.4.5-tetrahydro-5-thioxo-2.3-dithiolo<3.4-c>isoquinoline-1-thione 41980-17-0 C11H7NS4
    4-Methyl-1.1.4.5-tetrahydro-5-thioxo-2.3-dithiolo<3.4-c>isoquinoline-1-thione
    —— 4-(4-Methoxy-benzyl)-1-phenyl-isoquinolin-3-ol 50845-54-0 C23H19NO2
    4-(4-Methoxy-benzyl)-1-phenyl-isoquinolin-3-ol
    —— 4,8-bis-methylamino-2,6-dipentyl-pyrrolo[3,4-<i>f</i>]isoindole-1,3,5,7-tetraone 52108-01-7 C22H30N4O4
    4,8-bis-methylamino-2,6-dipentyl-pyrrolo[3,4-<i>f</i>]isoindole-1,3,5,7-tetraone
    —— 4-Butyryl-4-(4-chlorphenyl)-piperidin 42137-98-4 C15H20ClNO
    4-Butyryl-4-(4-chlorphenyl)-piperidin
    —— 4-(3,5-dimethylphenoxy)-3-(4-ethylpiperazin-1-ylsulfonyl)benzonitrile hydrochloride 1371587-10-8 C21H25N3O3S*ClH
    4-(3,5-dimethylphenoxy)-3-(4-ethylpiperazin-1-ylsulfonyl)benzonitrile hydrochloride
    —— 4,5-dihydroxy-2,6,7-trimethyl-indole-3-carboxylic acid ethyl ester 100718-83-0 C14H17NO4
    4,5-dihydroxy-2,6,7-trimethyl-indole-3-carboxylic acid ethyl ester
    —— 4-[4-[4-(Dimethylcarbamoyl)phenyl]phenyl]-4-oxobut-2-enoic acid 37863-90-4 C19H17NO4
    4-[4-[4-(Dimethylcarbamoyl)phenyl]phenyl]-4-oxobut-2-enoic acid
    —— 4-[14-Hydroxy-13-methyl-3-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl]-5H-furan-2-one 41624-21-9 C28H36O9
    4-[14-Hydroxy-13-methyl-3-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl]-5H-furan-2-one
    —— 4-{3-[1-Ethyl-2-(4-hydroxy-cyclohexyl)-butyl]-cyclopentyl}-5H-furan-2-one 40547-70-4 C21H34O3
    4-{3-[1-Ethyl-2-(4-hydroxy-cyclohexyl)-butyl]-cyclopentyl}-5H-furan-2-one
    —— 4'-Acetoxy-2,3,4,5-tetrafluor-2'-methylbiphenyl 54988-99-7 C15H10F4O2
    4'-Acetoxy-2,3,4,5-tetrafluor-2'-methylbiphenyl
    —— 4-(4-fluoro-phenyl)-5-[2-(methyl-phenethyl-amino)-ethyl]-3<i>H</i>-oxazol-2-one 52867-82-0 C20H21FN2O2
    4-(4-fluoro-phenyl)-5-[2-(methyl-phenethyl-amino)-ethyl]-3<i>H</i>-oxazol-2-one
    —— 4-(1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-1,3-dihydroanthra[2,3-c]furan-5,10-dione 1352641-08-7 C26H14O5
    4-(1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-1,3-dihydroanthra[2,3-c]furan-5,10-dione
    —— 4-{[(2,6-dichlorophenyl)carbamoyl]oxy}-2-[(4-{[(4-methoxyphenyl)carbonyl]amino}phenyl)sulfanyl]butanoic acid 1369957-65-2 C25H22Cl2N2O6S
    4-{[(2,6-dichlorophenyl)carbamoyl]oxy}-2-[(4-{[(4-methoxyphenyl)carbonyl]amino}phenyl)sulfanyl]butanoic acid
    —— 4,5-dibromo-pyrrole-2-carboxylic acid 1<i>H</i>-imidazol-2-ylamide 40160-24-5 C8H6Br2N4O
    4,5-dibromo-pyrrole-2-carboxylic acid 1<i>H</i>-imidazol-2-ylamide
    —— 4-methyl-5-(<i>N</i>-methyl-anilino)-1-(4-nitro-benzenesulfonyl)-1<i>H</i>-[1,2,3]triazole 50875-52-0 C16H15N5O4S
    4-methyl-5-(<i>N</i>-methyl-anilino)-1-(4-nitro-benzenesulfonyl)-1<i>H</i>-[1,2,3]triazole
    —— 4-bromo-1-hydroxy-naphthalene-2-carboxylic acid 4-(4-bromo-phenyl)-thiazol-2-ylamide 50729-30-1 C20H12Br2N2O2S
    4-bromo-1-hydroxy-naphthalene-2-carboxylic acid 4-(4-bromo-phenyl)-thiazol-2-ylamide
    —— 4,4'-Methylenebis(1-phthalazinecarbonitrile) 41886-40-2 C19H10N6
    4,4'-Methylenebis(1-phthalazinecarbonitrile)
    —— 4-bromo-1-hydroxy-naphthalene-2-carboxylic acid 4-phenyl-thiazol-2-ylamide 50729-29-8 C20H13BrN2O2S
    4-bromo-1-hydroxy-naphthalene-2-carboxylic acid 4-phenyl-thiazol-2-ylamide
    —— (4aS,6aR,6bR,8aR,10S,12aR,12bR,14bR)-10-Acetoxy-2,2,6b,9,9,12a-hexamethyl-1,2,3,4,5,6,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-picene-4a,6a-dicarboxylic acid dimethyl ester 53254-96-9 C34H52O6
    (4aS,6aR,6bR,8aR,10S,12aR,12bR,14bR)-10-Acetoxy-2,2,6b,9,9,12a-hexamethyl-1,2,3,4,5,6,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-picene-4a,6a-dicarboxylic acid dimethyl ester
    —— (4,6-Dimethyl-pyrimidin-2-ylsulfanyl)-acetic acid 3,4,6-trichloro-2-nitro-phenyl ester 54819-47-5 C14H10Cl3N3O4S
    (4,6-Dimethyl-pyrimidin-2-ylsulfanyl)-acetic acid 3,4,6-trichloro-2-nitro-phenyl ester
    —— 4'-methoxy-5'-O-sulfamoyladenosine 81307-96-2 C11H16N6O7S
    4'-methoxy-5'-O-sulfamoyladenosine
    —— 4-(4-chlorocyclohexyl)oxy-5-methyl-6-(1,2,4-triazol-1-yl)pyrimidine 1372626-90-8 C13H16ClN5O
    4-(4-chlorocyclohexyl)oxy-5-methyl-6-(1,2,4-triazol-1-yl)pyrimidine
    —— 4-(3-(5-(piperidin-4-one-1-yl)valerylamino)phenyl)-2H-phthalazin-1-one hydrochloride 286954-11-8 C24H26N4O3*ClH
    4-(3-(5-(piperidin-4-one-1-yl)valerylamino)phenyl)-2H-phthalazin-1-one hydrochloride
    —— 4-hydrazino-1,5-naphthyridine 1-oxide 79426-01-0 C8H8N4O
    4-hydrazino-1,5-naphthyridine 1-oxide
    —— (4-isopropyl-phenyl)-[7-(3-methyl-pyridin-2-yl)-2-thiomorpholin-4-ylmethyl-quinazolin-4-yl]-amine 573686-32-5 C28H31N5S
    (4-isopropyl-phenyl)-[7-(3-methyl-pyridin-2-yl)-2-thiomorpholin-4-ylmethyl-quinazolin-4-yl]-amine
    —— (4-fluoro-phenyl)-{1-[2-[1,2,4]triazol-1-yl-2-(4-trifluoromethyl-phenyl)-ethyl]-piperidin-4-yl}-methanone 666858-99-7 C23H22F4N4O
    (4-fluoro-phenyl)-{1-[2-[1,2,4]triazol-1-yl-2-(4-trifluoromethyl-phenyl)-ethyl]-piperidin-4-yl}-methanone
    —— 4-(methoxycarbonyl)-2-(2-methoxyphenyl)pyridine N-oxide 1403954-82-4 C14H13NO4
    4-(methoxycarbonyl)-2-(2-methoxyphenyl)pyridine N-oxide
    —— (+-)-4c-bromo-5c-hydroxy-3c-formyl-cyclopentane-dicarboxylic acid-(1r,2c)-dimethyl ester 90875-26-6 C10H13BrO6
    (+-)-4c-bromo-5c-hydroxy-3c-formyl-cyclopentane-dicarboxylic acid-(1r,2c)-dimethyl ester
    —— 4-[(5-(N-(2-dimethylamino-ethyl)-N-ethyl-aminosulphonyl)-1-(3-ethoxycarbonyl-n-propyl)-1H-benzimidazol-2-yl)-methyl]-benzonitrile 237751-38-1 C27H35N5O4S
    4-[(5-(N-(2-dimethylamino-ethyl)-N-ethyl-aminosulphonyl)-1-(3-ethoxycarbonyl-n-propyl)-1H-benzimidazol-2-yl)-methyl]-benzonitrile
    —— 4-Carbamoyl-2-isopropyl-2-methylbuttersaeuremethylester 40266-72-6 C10H19NO3
    4-Carbamoyl-2-isopropyl-2-methylbuttersaeuremethylester
    —— (4aS)-1c-methyl-(4ar,8ac)-5,6,8,8a-tetrahydro-1H,4aH-pyrano[3,4-c]pyridine-4,7-dicarboxylic acid dimethyl ester 72504-71-3 C13H19NO5
    (4aS)-1c-methyl-(4ar,8ac)-5,6,8,8a-tetrahydro-1H,4aH-pyrano[3,4-c]pyridine-4,7-dicarboxylic acid dimethyl ester
    —— 4-[4-(Naphthalene-1-sulfonylamino)-5-oxo-5-piperidin-1-yl-pentyl]-thiobenzamide 83101-60-4 C27H31N3O3S2
    4-[4-(Naphthalene-1-sulfonylamino)-5-oxo-5-piperidin-1-yl-pentyl]-thiobenzamide
    —— 4-(7-methyl-4-oxo-4<i>H</i>-[1,8]naphthyridin-1-yl)-butyric acid ethyl ester 49655-77-8 C15H18N2O3
    4-(7-methyl-4-oxo-4<i>H</i>-[1,8]naphthyridin-1-yl)-butyric acid ethyl ester
    —— 4'-Methoxy-3,7''-biflavonyloxymethan 55091-79-7 C32H22O7
    4'-Methoxy-3,7''-biflavonyloxymethan
    —— (4-chloro-6-methyl-pyrimidin-2-yl)-(2,2-diethoxy-ethyl)-amine 55662-60-7 C11H18ClN3O2
    (4-chloro-6-methyl-pyrimidin-2-yl)-(2,2-diethoxy-ethyl)-amine
    —— 4-Pyridinborsaeure-cis-cyclopentan-1,2-diolmonoester 52099-38-4 C10H14BNO3
    4-Pyridinborsaeure-cis-cyclopentan-1,2-diolmonoester
    —— 4,4'-(3,4-Dichlorphenyl-carbamoyl)-diphenyl-disulfid 52017-44-4 C26H18Cl4N4O2S2
    4,4'-(3,4-Dichlorphenyl-carbamoyl)-diphenyl-disulfid
    —— 4-Amino-N-[2-(ethylamino)ethyl]benzamide hydrochloride 114460-14-9 C11H17N3O*2ClH
    4-Amino-N-[2-(ethylamino)ethyl]benzamide hydrochloride
    —— 4-Ethoxy-acetophenon-(propyl)-hydrazon 51486-89-6 C13H20N2O
    4-Ethoxy-acetophenon-(propyl)-hydrazon
    —— 4,6,4',6'-tetrakis-(1,1,2,2-tetrafluoro-2-pentafluoroethoxy-ethyl)-2,2'-(1,1,2,2,4,4,5,5-octafluoro-3-oxa-pentane-1,5-diyl)-bis-[1,3,5]triazine 52809-15-1 C26F44N6O5
    4,6,4',6'-tetrakis-(1,1,2,2-tetrafluoro-2-pentafluoroethoxy-ethyl)-2,2'-(1,1,2,2,4,4,5,5-octafluoro-3-oxa-pentane-1,5-diyl)-bis-[1,3,5]triazine
    —— 4-(1,3-diphenyl-1<i>H</i>-pyrazol-4-ylmethylene)-2-phenyl-4<i>H</i>-thiazol-5-one 51571-44-9 C25H17N3OS
    4-(1,3-diphenyl-1<i>H</i>-pyrazol-4-ylmethylene)-2-phenyl-4<i>H</i>-thiazol-5-one
    —— 4,6-Diamino-5-pivaloylpyrimidin 50609-19-3 C9H15N5O
    4,6-Diamino-5-pivaloylpyrimidin
    —— 4-{4-[diphenyl-(4-trifluoromethyl-phenyl)-λ<sup>5</sup>-phosphanylideneamino]-benzylidene}-5-methyl-1-phenyl-2,4-dihydro-pyrazol-3-one 51570-86-6 C36H27F3N3OP
    4-{4-[diphenyl-(4-trifluoromethyl-phenyl)-λ<sup>5</sup>-phosphanylideneamino]-benzylidene}-5-methyl-1-phenyl-2,4-dihydro-pyrazol-3-one
    —— 4-Methoxycarbonyl-1-[(1S,2R)-2-(4-methoxy-phenyl)-cyclopropyl]-pyridinium 56687-53-7 C17H18NO3
    4-Methoxycarbonyl-1-[(1S,2R)-2-(4-methoxy-phenyl)-cyclopropyl]-pyridinium
    —— 4-amino-<i>N</i>-hydroxy-7-phenyl-pyrazolo[5,1-<i>c</i>][1,2,4]triazine-3-carboximidic acid amide 60269-84-3 C12H11N7O
    4-amino-<i>N</i>-hydroxy-7-phenyl-pyrazolo[5,1-<i>c</i>][1,2,4]triazine-3-carboximidic acid amide