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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Acetyl-3-benzyl-1-methylindol 69913-85-5 C18H17NO
    2-Acetyl-3-benzyl-1-methylindol
    —— 2-<2>Furyl-6.5-dimethyl-tetrahydrofuran 103206-07-1 C10H14O2
    2-<2>Furyl-6.5-dimethyl-tetrahydrofuran
    —— 2-Phenyl-3-brom-7-brommethylpyrazol<1,5-a>-pyrimidin-6-carbonsaeure-aethylester 72209-05-3 C16H13Br2N3O2
    2-Phenyl-3-brom-7-brommethylpyrazol<1,5-a>-pyrimidin-6-carbonsaeure-aethylester
    —— 2-octadecyl-5-octadecoyl hydroquinone 72306-97-9 C42H76O3
    2-octadecyl-5-octadecoyl hydroquinone
    —— 2-benzylsulfanyl-4-methyl-6-trifluoromethyl-pyrimidine 71445-35-7 C13H11F3N2S
    2-benzylsulfanyl-4-methyl-6-trifluoromethyl-pyrimidine
    —— 2,6-diamino-4-(2-methylpiperidino)pyridine-1-oxide 79459-03-3 C11H18N4O
    2,6-diamino-4-(2-methylpiperidino)pyridine-1-oxide
    —— 2-Methyl-acrylic acid (R)-carboxy-((4R,5S,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-methyl ester 50829-26-0 C16H24O8
    2-Methyl-acrylic acid (R)-carboxy-((4R,5S,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-methyl ester
    —— 2-Methylbenzimidazolylmercuric-chloride 28100-26-7 C8H7N2*Cl*Hg
    2-Methylbenzimidazolylmercuric-chloride
    —— 2-(Methyl-naphthalen-1-yl-λ<sup>4</sup>-selanylidene)-cyclohexane-1,3-dione 62054-57-3 C17H16O2Se
    2-(Methyl-naphthalen-1-yl-λ<sup>4</sup>-selanylidene)-cyclohexane-1,3-dione
    —— 2-Methoxy-5-(5-methoxycarbonyl-1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazol-4-ylmethyl)-1-methyl-1H-imidazole-4-carboxylic acid methyl ester 80029-19-2 C15H20N4O6
    2-Methoxy-5-(5-methoxycarbonyl-1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazol-4-ylmethyl)-1-methyl-1H-imidazole-4-carboxylic acid methyl ester
    —— 2-Thioxo-2,3-dihydro-benzoimidazole-1-carbothioic acid benzylamide 87504-29-8 C15H13N3S2
    2-Thioxo-2,3-dihydro-benzoimidazole-1-carbothioic acid benzylamide
    —— 2-[(2R,3R)-2-Acetylsulfanyl-4-oxo-3-(trityl-amino)-azetidin-1-yl]-3-methyl-but-2-enoic acid 4-nitro-benzyl ester 129544-37-2 C36H33N3O6S
    2-[(2R,3R)-2-Acetylsulfanyl-4-oxo-3-(trityl-amino)-azetidin-1-yl]-3-methyl-but-2-enoic acid 4-nitro-benzyl ester
    —— (2R,5S)-1-benzyloxycarbonyl-2-(3-oxohexyl)-5-(6-heptenyl)pyrrolidine 1161847-93-3 C25H37NO3
    (2R,5S)-1-benzyloxycarbonyl-2-(3-oxohexyl)-5-(6-heptenyl)pyrrolidine
    —— 2-[[bis(pyridin-2-ylmethyl)amino]methyl]-4,6-dibromophenolate;dichloroiron(1+) 220262-29-3 C19H16Br2Cl2FeN3O
    2-[[bis(pyridin-2-ylmethyl)amino]methyl]-4,6-dibromophenolate;dichloroiron(1+)
    —— 2,2'-dimethyl-6,6'-di-tert-butyl-2,2'-diindoxyl 86976-16-1 C26H32N2O2
    2,2'-dimethyl-6,6'-di-tert-butyl-2,2'-diindoxyl
    —— (2-bromo-3,4,5,6-tetrafluorophenyl)bis(triethyl-l5-phosphaneyl)nickel(IV) bromide 161587-81-1 C18H30Br2F4NiP2
    (2-bromo-3,4,5,6-tetrafluorophenyl)bis(triethyl-l5-phosphaneyl)nickel(IV) bromide
    —— (2R,3R)-O-benzylidene-2,3-dihydroxycyclopent-4-enone 191528-75-3 C12H10O3
    (2R,3R)-O-benzylidene-2,3-dihydroxycyclopent-4-enone
    —— 2,2-dimethylpropionic acid 2S-hydroxy-2-(E)-[4S-hydroxy-5R-methyl-6R-propenyltetrahydropyran-2R-yl]ethyl ester 343262-61-3 C16H28O5
    2,2-dimethylpropionic acid 2S-hydroxy-2-(E)-[4S-hydroxy-5R-methyl-6R-propenyltetrahydropyran-2R-yl]ethyl ester
    —— 2-acetyl-naphthalene-1,4,5-tricarboxylic acid 861090-71-3 C15H10O7
    2-acetyl-naphthalene-1,4,5-tricarboxylic acid
    —— 2'-Hydroxy-4,4',6'-trimethoxy-α-hydroxymethyldihydrochalcone 105245-61-2 C19H22O6
    2'-Hydroxy-4,4',6'-trimethoxy-α-hydroxymethyldihydrochalcone
    —— 2-cyano-2-(3,4-dihydro-[1]naphthyl)-glutaric acid diethyl ester 859306-69-7 C20H23NO4
    2-cyano-2-(3,4-dihydro-[1]naphthyl)-glutaric acid diethyl ester
    —— 2,2-bis-(4-dimethylamino-phenyl)-1,3-diphenyl-propane 124108-77-6 C31H34N2
    2,2-bis-(4-dimethylamino-phenyl)-1,3-diphenyl-propane
    —— 2-(bis(3-(trifluoromethyl)phenyl)methyl)-1-methyl-1H-benzo[d]imidazole 1277098-99-3 C23H16F6N2
    2-(bis(3-(trifluoromethyl)phenyl)methyl)-1-methyl-1H-benzo[d]imidazole
    —— 2',2'-dimethyl-2-phenylspiro[1,2,4-triazolidine-5,3'-1H-indene]-3-one 131365-85-0 C18H19N3O
    2',2'-dimethyl-2-phenylspiro[1,2,4-triazolidine-5,3'-1H-indene]-3-one
    —— 2-(2,5-dimethylpyrrolyl)-6-[4-(pyrrolidinylethoxy)-5,6,7,8-tetrahydronaphthalen-1-yl]pyridine 675846-09-0 C27H33N3O
    2-(2,5-dimethylpyrrolyl)-6-[4-(pyrrolidinylethoxy)-5,6,7,8-tetrahydronaphthalen-1-yl]pyridine
    —— 2-((2-benzyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl)-3-ethyl-6,7-dihydro-1H-pyrido[2,1-a]isoquinolin-4(11bH)-one 1531605-44-3 C34H38N2O3
    2-((2-benzyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl)-3-ethyl-6,7-dihydro-1H-pyrido[2,1-a]isoquinolin-4(11bH)-one
    —— 2-[5-(2-bromophenyl)-3,6-dihydro-2H-pyridin-1-yl]-3-methyl-6-pyrimidin-4-yl-3H-pyrimidin-4-one 712343-90-3 C20H18BrN5O
    2-[5-(2-bromophenyl)-3,6-dihydro-2H-pyridin-1-yl]-3-methyl-6-pyrimidin-4-yl-3H-pyrimidin-4-one
    —— 2',7'-dibromospiro[cyclododecane-1,9'-fluorene] 1268263-57-5 C24H28Br2
    2',7'-dibromospiro[cyclododecane-1,9'-fluorene]
    —— (2,2-Dimethyl-propyl)-[1,3,3-trimethyl-aziridin-(2Z)-ylidene]-amine 127645-56-1 C10H20N2
    (2,2-Dimethyl-propyl)-[1,3,3-trimethyl-aziridin-(2Z)-ylidene]-amine
    —— 2,3'-dinitro-4,4'-bis-trimethylsilanylethynylbiphenyl 556067-76-6 C22H24N2O4Si2
    2,3'-dinitro-4,4'-bis-trimethylsilanylethynylbiphenyl
    —— 2-Methyl-4-(2,6,6-trimethylcyclohexen-1-yl)butan-2-ol 685899-48-3 C14H26O
    2-Methyl-4-(2,6,6-trimethylcyclohexen-1-yl)butan-2-ol
    —— 2-(10-Acetyl-13-oxo-1,10-diazatricyclo[7.4.1.05,14]tetradeca-5(14),6,8-trien-4-yl)acetonitrile 1167424-83-0 C16H17N3O2
    2-(10-Acetyl-13-oxo-1,10-diazatricyclo[7.4.1.05,14]tetradeca-5(14),6,8-trien-4-yl)acetonitrile
    —— 2-[N-(4-Acetylamino-2,5-dimethoxybenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride 185105-31-1 C23H33N5O5S*ClH
    2-[N-(4-Acetylamino-2,5-dimethoxybenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride
    —— (2S,4R)-2,5-bis((tert-butoxycarbonyl)amino)-4-((tert-butyldimethylsilyl)oxy)pentanoic acid 1632137-84-8 C21H42N2O7Si
    (2S,4R)-2,5-bis((tert-butoxycarbonyl)amino)-4-((tert-butyldimethylsilyl)oxy)pentanoic acid
    —— 2-methoxy-N-(3-morpholin-4-yl-propyl)-4-[3-(4-phenoxy-phenyl)-ureido]-benzamide 617244-54-9 C28H32N4O5
    2-methoxy-N-(3-morpholin-4-yl-propyl)-4-[3-(4-phenoxy-phenyl)-ureido]-benzamide
    —— 2-phenyl-2H-pyran-3,5-dicarbaldehyde 1310708-57-6 C13H10O3
    2-phenyl-2H-pyran-3,5-dicarbaldehyde
    —— 2-[N-(3-Nitrobenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride 185105-74-2 C19H25N5O4S*ClH
    2-[N-(3-Nitrobenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride
    —— 2,4,5-Trimethoxy-3-prop-2-enylaniline 945859-54-1 C12H17NO3
    2,4,5-Trimethoxy-3-prop-2-enylaniline
    —— 2-chloro-1,3,5-trimethoxy-4-(4-methylphenyl)sulfanylbenzene 77189-89-0 C16H17ClO3S
    2-chloro-1,3,5-trimethoxy-4-(4-methylphenyl)sulfanylbenzene
    —— (2,2,6,6-Tetramethyl-1-prop-2-enoylpiperidin-4-yl) 2-methylprop-2-enoate 185344-08-5 C16H25NO3
    (2,2,6,6-Tetramethyl-1-prop-2-enoylpiperidin-4-yl) 2-methylprop-2-enoate
    —— 2,3,6-trichloro-4-(3',3'-dichloroallyloxy)phenol 1227674-98-7 C9H5Cl5O2
    2,3,6-trichloro-4-(3',3'-dichloroallyloxy)phenol
    —— (2R,3S)-1,2-O-cyclohexylidene-1,2,3-butanetriol 3-benzoate 108552-79-0 C17H22O4
    (2R,3S)-1,2-O-cyclohexylidene-1,2,3-butanetriol 3-benzoate
    —— (2R)-1-[(2R,5R)-2,5-bis(methoxymethoxymethyl)pyrrolidin-1-yl]-2-hydroxy-2-phenylpropan-1-one 126884-67-1 C19H29NO6
    (2R)-1-[(2R,5R)-2,5-bis(methoxymethoxymethyl)pyrrolidin-1-yl]-2-hydroxy-2-phenylpropan-1-one
    —— 2-methylnon-4-ynal 56118-47-9 C10H16O
    2-methylnon-4-ynal
    —— 2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl-(1→2)-1,6-anhydro-3,4-di-O-benzyl-β-D-glucopyranose 1610840-25-9 C54H56O10
    2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl-(1→2)-1,6-anhydro-3,4-di-O-benzyl-β-D-glucopyranose
    —— (2S,3R,4S)-N"-cyano-N-(6-amino-3,4-dihydro-3-hydroxy-2-methyl-2-dimethoxymethyl-2H-benzopyran-4-yl)-N'-benzylguanidine 335381-85-6 C22H27N5O4
    (2S,3R,4S)-N"-cyano-N-(6-amino-3,4-dihydro-3-hydroxy-2-methyl-2-dimethoxymethyl-2H-benzopyran-4-yl)-N'-benzylguanidine
    —— [(2R,3S,6S)-3-acetoxy-6-[3-[tert-butyl(dimethyl)silyl]oxy-4-methoxyphenyl]-3,6-dihydro-2H-pyran-2-yl]methyl acetate 1453855-73-6 C23H34O7Si
    [(2R,3S,6S)-3-acetoxy-6-[3-[tert-butyl(dimethyl)silyl]oxy-4-methoxyphenyl]-3,6-dihydro-2H-pyran-2-yl]methyl acetate
    —— 2-(2-chloroethoxy)-6-ethoxytetrahydropyran 79882-05-6 C9H17ClO3
    2-(2-chloroethoxy)-6-ethoxytetrahydropyran
    —— (2S,2aR,2a1R,4S,4aS,5S,8R,8aR,10S)-8a-methoxydecahydro-1,7,9-trioxa-2,4:5,8-dimethanocyclopenta[cd]azulen-10-ol 91298-57-6 C12H16O5
    (2S,2aR,2a1R,4S,4aS,5S,8R,8aR,10S)-8a-methoxydecahydro-1,7,9-trioxa-2,4:5,8-dimethanocyclopenta[cd]azulen-10-ol
    —— 2,5-bis(3-biphenyl)-3,4-dibromoselenophene 1146618-70-3 C28H18Br2Se
    2,5-bis(3-biphenyl)-3,4-dibromoselenophene