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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-dichlorophenoxymethyl 2,4-dichlorophenoxyacetate 83143-98-0 C15H10Cl4O4
    2,4-dichlorophenoxymethyl 2,4-dichlorophenoxyacetate
    —— 2-Dodecanoyl-indane-1,3-dione 114329-26-9 C21H28O3
    2-Dodecanoyl-indane-1,3-dione
    —— 2-(8-Aza-bicyclo[3.2.1]oct-2-en-3-yl)-benzo[b]thiophen-5-ol hydrochloric acid salt 1227744-52-6 C15H15NOS*ClH
    2-(8-Aza-bicyclo[3.2.1]oct-2-en-3-yl)-benzo[b]thiophen-5-ol hydrochloric acid salt
    —— 20S-hydroxy-isolineolone 3,12-diacetate 73837-23-7 C25H38O7
    20S-hydroxy-isolineolone 3,12-diacetate
    —— 2,3,4,6-Tetrakis(pentamethylcyclopentadienyl)bicyclo<3.1.0>hexaphosphan 113924-88-2 C40H60P6
    2,3,4,6-Tetrakis(pentamethylcyclopentadienyl)bicyclo<3.1.0>hexaphosphan
    —— (2S,3S)-3-(tert-butyldimethylsilyloxy)-1-(2-hydroxyethanoyl)-N-methylpyrrolidine-2-carboxamide 1001166-58-0 C14H28N2O4Si
    (2S,3S)-3-(tert-butyldimethylsilyloxy)-1-(2-hydroxyethanoyl)-N-methylpyrrolidine-2-carboxamide
    —— 2,3-Epoxy-3-methyl-5-phenyl-pent-4-en-saeure 91963-36-9 C12H12O3
    2,3-Epoxy-3-methyl-5-phenyl-pent-4-en-saeure
    —— 2-(4-Toluolsulfonyl)-gibberellinsaeure 123128-42-7 C26H28O8S
    2-(4-Toluolsulfonyl)-gibberellinsaeure
    —— 2-Acetyl-benzofuran-dimethylketal 92847-87-5 C12H14O3
    2-Acetyl-benzofuran-dimethylketal
    —— 2-Ethyl-3-(2-ethyl-cyclopent-2-enylperoxy)-cyclopentyl-hydroperoxide 97195-67-0 C14H24O4
    2-Ethyl-3-(2-ethyl-cyclopent-2-enylperoxy)-cyclopentyl-hydroperoxide
    —— 2-((3R,9R)-3,9-Dihydroxy-9-methyl-10-oxo-1,2,3,4,4a,9,9a,10-octahydro-anthracen-2-yl)-malonic acid dimethyl ester 100022-87-5 C20H24O7
    2-((3R,9R)-3,9-Dihydroxy-9-methyl-10-oxo-1,2,3,4,4a,9,9a,10-octahydro-anthracen-2-yl)-malonic acid dimethyl ester
    —— 2,2,8,11-Tetramethyl-7,9,10,12-tetraoxo-8,11-diaza-tricyclo<4,3,0,3<sup>1-6</sup>>dodec-3-en 96651-13-7 C14H16N2O4
    2,2,8,11-Tetramethyl-7,9,10,12-tetraoxo-8,11-diaza-tricyclo<4,3,0,3<sup>1-6</sup>>dodec-3-en
    —— 2,2-Dimethyl-1,3-di-<tricyclo<6.2.2.0<sup>2,7</sup>>dodeca-2(7),3,5-trien-3-yloxy>-propan 104763-96-4 C29H36O2
    2,2-Dimethyl-1,3-di-<tricyclo<6.2.2.0<sup>2,7</sup>>dodeca-2(7),3,5-trien-3-yloxy>-propan
    —— 2-(3-Dimethylamino-propylimino)-4,4-dimethyl-imidazolidinon-(5) 91008-03-6 C10H20N4O
    2-(3-Dimethylamino-propylimino)-4,4-dimethyl-imidazolidinon-(5)
    —— 2,2-Dimethyl-1,1-diphenyl-prop-1-yl-hydroperoxide 93727-44-7 C17H20O2
    2,2-Dimethyl-1,1-diphenyl-prop-1-yl-hydroperoxide
    —— 2-chloro-3-[2-[(3,4-difluorophenyl)methylamino]-9-[[(3R)-piperidin-3-yl]methyl]purin-8-yl]benzene-1,4-diol 1021697-01-7 C24H23ClF2N6O2
    2-chloro-3-[2-[(3,4-difluorophenyl)methylamino]-9-[[(3R)-piperidin-3-yl]methyl]purin-8-yl]benzene-1,4-diol
    —— 2-(5-dimethylamino-2-hydroxy-3-methoxy-phenyl)-3H-quinazolin-4-one 1160815-54-2 C17H17N3O3
    2-(5-dimethylamino-2-hydroxy-3-methoxy-phenyl)-3H-quinazolin-4-one
    —— 2-(4-bromophenyl)-5-(4-fluoro-3-methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one 1370447-08-7 C15H11BrFN3O2
    2-(4-bromophenyl)-5-(4-fluoro-3-methoxyphenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one
    —— 2-Ethylmercapto-benzoesaeure-<3>-pyridylester 93985-66-1 C14H13NO2S
    2-Ethylmercapto-benzoesaeure-<3>-pyridylester
    —— 2-<Xanthyl-(9)-epidioxy>-2,5-dimethyl-hexen-(3) 95002-17-8 C21H24O3
    2-<Xanthyl-(9)-epidioxy>-2,5-dimethyl-hexen-(3)
    —— 2-Methoxy-4',5-bis<(6,7-dimethoxy-3,4-dihydro-1-isochinolyl)methyl>biphenyl 107964-29-4 C37H38N2O5
    2-Methoxy-4',5-bis<(6,7-dimethoxy-3,4-dihydro-1-isochinolyl)methyl>biphenyl
    —— 2-<4-(3-Dimethylamino-benzoyloxy)-butyl>-norharman 101983-27-1 C24H25N3O2
    2-<4-(3-Dimethylamino-benzoyloxy)-butyl>-norharman
    —— 2-<4-Diethylamino-butyl-(2)>-3a,4,7,7a-tetrahydro-4,7-ethano-isoindolin 100657-91-8 C18H32N2
    2-<4-Diethylamino-butyl-(2)>-3a,4,7,7a-tetrahydro-4,7-ethano-isoindolin
    —— 2-<Cyclopentyliden>-cyclopentyliden-anilin 98180-44-0 C16H19N
    2-<Cyclopentyliden>-cyclopentyliden-anilin
    —— 2-<2-Carboxy-aethyl>-1-phenyl-Δ<sup>3</sup>-pyrazolin-carbonsaeure-(4) 93427-60-2 C13H14N2O4
    2-<2-Carboxy-aethyl>-1-phenyl-Δ<sup>3</sup>-pyrazolin-carbonsaeure-(4)
    —— 2-(4-Antipyrinylamino)-4-(4-antipyrinyl)-thiazol 96707-75-4 C25H24N6O2S
    2-(4-Antipyrinylamino)-4-(4-antipyrinyl)-thiazol
    —— 2-Cyan-9-<cyclohex-1-enyl>-non-6t-ensaeure-nitril 94297-41-3 C15H23N
    2-Cyan-9-<cyclohex-1-enyl>-non-6t-ensaeure-nitril
    —— 2-Dimethylaminomethyl-1,3-diphenyl-1-<4-methoxy-phenyl>-propanol 97152-99-3 C25H29NO2
    2-Dimethylaminomethyl-1,3-diphenyl-1-<4-methoxy-phenyl>-propanol
    —— 2-Fluorenyliden-4-(4-nitrophenyl)benzhydrazidin 56165-37-8 C26H19N5O2
    2-Fluorenyliden-4-(4-nitrophenyl)benzhydrazidin
    —— 2,4,6-tris-(4-chloro-phenyl)-3-nitro-2,6-dipropoxy-3,6-dihydro-2<i>H</i>-pyran 56444-33-8 C29H28Cl3NO5
    2,4,6-tris-(4-chloro-phenyl)-3-nitro-2,6-dipropoxy-3,6-dihydro-2<i>H</i>-pyran
    —— 2-(3-ethyl-1H-1,2,4-triazol-5-yl)morpholine 1251080-78-0 C8H14N4O
    2-(3-ethyl-1H-1,2,4-triazol-5-yl)morpholine
    —— (2S,4R,5R)-ethyl 5-(furan-2-yl)-2,5-dihydroxy-4-phenylpentanoate 1327274-67-8 C17H20O5
    (2S,4R,5R)-ethyl 5-(furan-2-yl)-2,5-dihydroxy-4-phenylpentanoate
    —— 2,2,2,2',2',2'-hexachloro-1,1'-(3-oxa-pentane-1,5-diyldioxy)-bis-ethanol 57604-34-9 C8H12Cl6O5
    2,2,2,2',2',2'-hexachloro-1,1'-(3-oxa-pentane-1,5-diyldioxy)-bis-ethanol
    —— 2-Acetylsulfanyl-4-oxo-4-(2-oxo-2,3-dihydro-1H-indol-5-yl)-butyric acid ethyl ester 122399-54-6 C16H17NO5S
    2-Acetylsulfanyl-4-oxo-4-(2-oxo-2,3-dihydro-1H-indol-5-yl)-butyric acid ethyl ester
    —— 2,5-bis[(3S)-3,7-dimethyloctyl]-1,4-bis[5-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]pyrrolo[3,4-c]pyrrole-3,6-dione 1143585-41-4 C62H80N2O2S6
    2,5-bis[(3S)-3,7-dimethyloctyl]-1,4-bis[5-[5-(5-hexylthiophen-2-yl)thiophen-2-yl]thiophen-2-yl]pyrrolo[3,4-c]pyrrole-3,6-dione
    —— 2-[(2R,3R)-3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-mercapto-4-oxo-azetidin-1-yl]-3-methyl-but-2-enoic acid benzhydryl ester 57195-75-2 C29H24N2O5S
    2-[(2R,3R)-3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-2-mercapto-4-oxo-azetidin-1-yl]-3-methyl-but-2-enoic acid benzhydryl ester
    —— 2-(2,3,4,5,6-penta-O-acetyl)-D-gluconoyl-1,3-dithiane 128806-48-4 C20H28O11S2
    2-(2,3,4,5,6-penta-O-acetyl)-D-gluconoyl-1,3-dithiane
    —— (2R,3R,4S,5R)-2-[2-Amino-6-(2,3-dihydroxy-propylamino)-purin-9-yl]-5-hydroxymethyl-tetrahydro-furan-3,4-diol 103842-19-9 C13H20N6O6
    (2R,3R,4S,5R)-2-[2-Amino-6-(2,3-dihydroxy-propylamino)-purin-9-yl]-5-hydroxymethyl-tetrahydro-furan-3,4-diol
    —— 2-Methyl-2-(1,3-cyclohexadienyl)-1,3-dithian 56028-79-6 C11H16S2
    2-Methyl-2-(1,3-cyclohexadienyl)-1,3-dithian
    —— 2-(3-Oxo-oct-7-enyl)-cyclopentanone 113538-21-9 C13H20O2
    2-(3-Oxo-oct-7-enyl)-cyclopentanone
    —— 2',3'-O-isopropylidene-5'-O-(triisopropylsilyl)uridine 292637-05-9 C21H36N2O6Si
    2',3'-O-isopropylidene-5'-O-(triisopropylsilyl)uridine
    —— 2-methoxy-N-methyl-5-(1-{[4-(morpholin-4-yl)phenyl]amino}-8-oxo-7,8-dihydro-2,7-naphthyridin-3-yl)benzene-1-sulfonamide 1175550-06-7 C26H27N5O5S
    2-methoxy-N-methyl-5-(1-{[4-(morpholin-4-yl)phenyl]amino}-8-oxo-7,8-dihydro-2,7-naphthyridin-3-yl)benzene-1-sulfonamide
    —— 2-chloro-5-(4-pyrrolidin-1-yl-benzoyl)-benzenesulfonamide 1189544-13-5 C17H17ClN2O3S
    2-chloro-5-(4-pyrrolidin-1-yl-benzoyl)-benzenesulfonamide
    —— 2-Acetylamino-5-amino-thiazole-4-sulfonic acid 32081-12-2 C5H7N3O4S2
    2-Acetylamino-5-amino-thiazole-4-sulfonic acid
    —— 2-Amino-4-<4-fluorsulfonyl-phenyl>-thiazol 2196-69-2 C9H7FN2O2S2
    2-Amino-4-<4-fluorsulfonyl-phenyl>-thiazol
    —— 2,4'-bis-[N-(3-cyclohexyl-2,4,5-trioxoimidazolidin-1-yl)carbamoyl]diphenylamine 1352288-82-4 C32H33N7O8
    2,4'-bis-[N-(3-cyclohexyl-2,4,5-trioxoimidazolidin-1-yl)carbamoyl]diphenylamine
    —— 2-Tosyl-3-desoxy-methyl-α-D-mannopyranosid 99785-21-4 C14H20O7S
    2-Tosyl-3-desoxy-methyl-α-D-mannopyranosid
    —— <2-Benzyloxy-5-methoxy-benzyl>-<2.4-dihydroxy-3.6-dimethoxy-phenyl>-keton 96414-36-7 C24H24O7
    <2-Benzyloxy-5-methoxy-benzyl>-<2.4-dihydroxy-3.6-dimethoxy-phenyl>-keton
    —— 2-<4-Nitro-benzoylimino>-3-phenyl-4-methyl-Δ<sup>4</sup>-thiazolin 107413-62-7 C17H13N3O3S
    2-<4-Nitro-benzoylimino>-3-phenyl-4-methyl-Δ<sup>4</sup>-thiazolin
    —— <2-Pyridyl-(3)-2-hydroxy-isopropyl>-propyl-amin 91216-09-0 C11H18N2O
    <2-Pyridyl-(3)-2-hydroxy-isopropyl>-propyl-amin