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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4,5,6-tetrafluoro-3-(N-methylamino)-4-methylthiomethylcyclohexa-2,5-dienone 118096-87-0 C9H9F4NOS
    2,4,5,6-tetrafluoro-3-(N-methylamino)-4-methylthiomethylcyclohexa-2,5-dienone
    —— 2-chloroethyl {(3,4-difluorophenyl)[4-(1H,1'H-spiro[furo[3,4-c]pyridine-3,4'-piperidin]-1'-ylmethyl)phenyl]methyl}carbamate 1189176-33-7 C28H28ClF2N3O3
    2-chloroethyl {(3,4-difluorophenyl)[4-(1H,1'H-spiro[furo[3,4-c]pyridine-3,4'-piperidin]-1'-ylmethyl)phenyl]methyl}carbamate
    —— 2-piperidin-4-yl-quinoxaline hydrochloride 1240109-05-0 C13H15N3*ClH
    2-piperidin-4-yl-quinoxaline hydrochloride
    —— 2,2-diphenylethyl(trimethyl)azanium;bromide 85336-58-9 Br*C17H22N
    2,2-diphenylethyl(trimethyl)azanium;bromide
    —— 2-{[2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-acetyl]-hydroxy-amino}-pentanoic acid ethyl ester 55424-22-1 C17H20N2O6
    2-{[2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-acetyl]-hydroxy-amino}-pentanoic acid ethyl ester
    —— 2-Hydroxy-1,3,5-trimethyl-2-styryl-4,6-dioxo-perhydro-1,3,5-triazin 58035-10-2 C14H17N3O3
    2-Hydroxy-1,3,5-trimethyl-2-styryl-4,6-dioxo-perhydro-1,3,5-triazin
    —— (2-Nitro-phenyl)-(4-nitro-phenylamino)-acetonitrile 888203-61-0 C14H10N4O4
    (2-Nitro-phenyl)-(4-nitro-phenylamino)-acetonitrile
    —— 2-(2-ethyl-4-(5-(3-((ethyl(methyl)amino)methyl)-5-methylphenyl)-1,2,4-oxadiazol-3-yl)-6-methylphenoxy)-N-methylethan-1-amine 1187030-00-7 C25H34N4O2
    2-(2-ethyl-4-(5-(3-((ethyl(methyl)amino)methyl)-5-methylphenyl)-1,2,4-oxadiazol-3-yl)-6-methylphenoxy)-N-methylethan-1-amine
    —— (2R,3R)-2-benzyl-3-methyl-2-[(R)-(4-methylphenyl)sulfinyl]oxirane 121174-16-1 C17H18O2S
    (2R,3R)-2-benzyl-3-methyl-2-[(R)-(4-methylphenyl)sulfinyl]oxirane
    —— 2-Heptyl-3-pentyl-succinamide 19895-38-6 C16H32N2O2
    2-Heptyl-3-pentyl-succinamide
    —— 2,2',6-Triiod-biphenyl 18399-11-6 C12H7I3
    2,2',6-Triiod-biphenyl
    —— 2-(7-propionyl-benzo[1,2,4]dithiazin-3-ylamino)-benzoic acid methyl ester 24272-52-4 C18H16N2O3S2
    2-(7-propionyl-benzo[1,2,4]dithiazin-3-ylamino)-benzoic acid methyl ester
    —— 2-(<i>N</i>'-<i>p</i>-tolyl-hydrazino)-benzothiazole-6-carboxylic acid ethyl ester 34709-28-9 C17H17N3O2S
    2-(<i>N</i>'-<i>p</i>-tolyl-hydrazino)-benzothiazole-6-carboxylic acid ethyl ester
    —— 2-Naphthyl-4-benzyloxyphenylacetat 42156-09-2 C25H20O3
    2-Naphthyl-4-benzyloxyphenylacetat
    —— 2-Hydroxy-4-(3-propyl-thioureido)-benzoic acid butyl ester 40144-38-5 C15H22N2O3S
    2-Hydroxy-4-(3-propyl-thioureido)-benzoic acid butyl ester
    —— 2.3.4.5.6-Pentaacetyl-al-D-galactose-<4-methyl-benzoylhydrazon> 5235-04-1 C24H30N2O11
    2.3.4.5.6-Pentaacetyl-al-D-galactose-<4-methyl-benzoylhydrazon>
    —— 2-(4-Methoxy-phenylazo)-anthracen-1-ol 51872-13-0 C21H16N2O2
    2-(4-Methoxy-phenylazo)-anthracen-1-ol
    —— 2-Cyano-4-brom-4'-dimethylaminoazobenzol 42898-52-2 C15H13BrN4
    2-Cyano-4-brom-4'-dimethylaminoazobenzol
    —— (2R,3R,4S,5S,6R)-2-[4,5-bis[2-[4,5-bis[2-[(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]sulfanylethoxymethyl]triazol-1-yl]ethoxymethyl]triazol-1-yl]-6-(hydroxymethyl)oxane-3,4,5-triol 1426937-77-0 C78H131N9O51S4
    (2R,3R,4S,5S,6R)-2-[4,5-bis[2-[4,5-bis[2-[(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]sulfanylethoxymethyl]triazol-1-yl]ethoxymethyl]triazol-1-yl]-6-(hydroxymethyl)oxane-3,4,5-triol
    —— 2-Methyl-4-penten-1-ol-1-d(2) 53399-82-9 C6H12O
    2-Methyl-4-penten-1-ol-1-d(2)
    —— 2-Benzyloxy-3,4,5,6-tetramethoxyacetophenon 58099-55-1 C19H22O6
    2-Benzyloxy-3,4,5,6-tetramethoxyacetophenon
    —— 2-Butyl-2-methyl-6-phenyl-2,3-dihydro-pyran-4-one 40485-21-0 C16H20O2
    2-Butyl-2-methyl-6-phenyl-2,3-dihydro-pyran-4-one
    —— 2-cyclopent-1-enyl-1-phenyl-5-thioxo-[1,2,4]triazolidin-3-one 54303-43-4 C13H13N3OS
    2-cyclopent-1-enyl-1-phenyl-5-thioxo-[1,2,4]triazolidin-3-one
    —— 2-Acetoxy-1,3-diphenyl<2-<sup>14</sup>C>propan-1,3-dion 54519-23-2 C17H14O4
    2-Acetoxy-1,3-diphenyl<2-<sup>14</sup>C>propan-1,3-dion
    —— 2-Acetyl-3,10,11,12a-tetrahydroxy-6-methyl-4a,12a-dihydro-4H,5H-naphthacene-1,12-dione 51739-82-3 C21H18O7
    2-Acetyl-3,10,11,12a-tetrahydroxy-6-methyl-4a,12a-dihydro-4H,5H-naphthacene-1,12-dione
    —— 2-Oxo-2-methyl-6-propyl-1,3-dioxa-6-aza-2-phosphocynan 52202-94-5 C8H18NO3P
    2-Oxo-2-methyl-6-propyl-1,3-dioxa-6-aza-2-phosphocynan
    —— 2,3,3-Trimethyl-2-methylthio-thiiran 50406-95-6 C6H12S2
    2,3,3-Trimethyl-2-methylthio-thiiran
    —— 2-[[(Z)-4-(2,4-Dimethyl-phenyl)-but-2-enyl]-(2-hydroxy-ethyl)-amino]-ethanol 52220-26-5 C16H25NO2
    2-[[(Z)-4-(2,4-Dimethyl-phenyl)-but-2-enyl]-(2-hydroxy-ethyl)-amino]-ethanol
    —— 2-acetylamino-4,6(3H,5H)-pteridinedione 19962-33-5 C8H7N5O3
    2-acetylamino-4,6(3H,5H)-pteridinedione
    —— 2-(2,6-dimethylphenyl)-6-methylisoindolin-1-one 1374423-10-5 C17H17NO
    2-(2,6-dimethylphenyl)-6-methylisoindolin-1-one
    —— 2-Methyl-3-phenyl-2H-cyclopenta<e>-1,2,4-triazin-5,7-dicarbonsaeure-dimethylester 83274-37-7 C17H15N3O4
    2-Methyl-3-phenyl-2H-cyclopenta<e>-1,2,4-triazin-5,7-dicarbonsaeure-dimethylester
    —— 2-o-Tolyloxy-N-(2,2,2-trichloro-1-m-tolylamino-ethyl)-acetamide 52813-16-8 C18H19Cl3N2O2
    2-o-Tolyloxy-N-(2,2,2-trichloro-1-m-tolylamino-ethyl)-acetamide
    —— 2-Chlorphenylazodiacetylbenzoylmethan 53578-80-6 C18H15ClN2O3
    2-Chlorphenylazodiacetylbenzoylmethan
    —— 2-endo-methoxy-5-exo-chloro-7-anti-deuterionorbornan 51372-05-5 C8H13ClO
    2-endo-methoxy-5-exo-chloro-7-anti-deuterionorbornan
    —— 2-(2-Bromo-3-hydroxy-5,5-dimethyl-cyclohex-2-enylidene)-malononitrile 39518-76-8 C11H11BrN2O
    2-(2-Bromo-3-hydroxy-5,5-dimethyl-cyclohex-2-enylidene)-malononitrile
    —— 2,5-Dioxo-2,5-dihydro-furansulfonsaeure-isochinoliniumsalz 40336-97-8 C4H2O6S*C9H7N
    2,5-Dioxo-2,5-dihydro-furansulfonsaeure-isochinoliniumsalz
    —— 2-Diethylamino-4,6-dicyclohexylamino-s-triazin 43167-83-5 C19H34N6
    2-Diethylamino-4,6-dicyclohexylamino-s-triazin
    —— 2-Hydroxy-4-aethoxybenzoesaeure-β-diaethylaminoaethylester 39682-76-3 C15H23NO4
    2-Hydroxy-4-aethoxybenzoesaeure-β-diaethylaminoaethylester
    —— 2-Hydroxy-4-aethoxybenzoesaeure-γ-dimethylaminopropylester 39682-77-4 C14H21NO4
    2-Hydroxy-4-aethoxybenzoesaeure-γ-dimethylaminopropylester
    —— 2-Acetoacetanilidoacetonitrile 39795-75-0 C12H12N2O2
    2-Acetoacetanilidoacetonitrile
    —— 2.5-Dibromazulen-1.3-dicarbonsaeurediaethylester 50469-81-3 C16H14Br2O4
    2.5-Dibromazulen-1.3-dicarbonsaeurediaethylester
    —— (2-Propionyloxy-ethyl)-3,4-dibrom-cyclohexancarboxylat 41907-29-3 C12H18Br2O4
    (2-Propionyloxy-ethyl)-3,4-dibrom-cyclohexancarboxylat
    —— 2-Bis-(phenylcarbamoyl)-methylen-1,3-dimethylbenzimidazolin 49695-92-3 C24H22N4O2
    2-Bis-(phenylcarbamoyl)-methylen-1,3-dimethylbenzimidazolin
    —— 2,3-Dimethoxy-10,11-methylenedioxyprotoberberinium-chlorid 53898-93-4 C20H18NO4*Cl
    2,3-Dimethoxy-10,11-methylenedioxyprotoberberinium-chlorid
    —— 2-Phenyl-4-(2',4'-dinitrophenylazo)-phenol 43108-91-4 C18H12N4O5
    2-Phenyl-4-(2',4'-dinitrophenylazo)-phenol
    —— 2-Carboxy-2-(1-phenylazo-6-methoxy-2-naphthylamino)glutarsaeure-triaethylester 40445-63-4 C29H33N3O7
    2-Carboxy-2-(1-phenylazo-6-methoxy-2-naphthylamino)glutarsaeure-triaethylester
    —— 2-((3-cyano-[1,1'-biphenyl]-4-yl)oxy)acetamide 1380495-88-4 C15H12N2O2
    2-((3-cyano-[1,1'-biphenyl]-4-yl)oxy)acetamide
    —— (2R,3R,4R)-2,4-Dimethyl-1-phenylsulfanyl-5-triisopropylsilanyloxy-pentan-3-ol 293744-06-6 C22H40O2SSi
    (2R,3R,4R)-2,4-Dimethyl-1-phenylsulfanyl-5-triisopropylsilanyloxy-pentan-3-ol
    —— 2-amino-4-chloro-7-[(2-deoxy-3,5-di-O-p-toluoyl-β-D-erythro-pentofuranosyl)-1,2,3-triazol-4-yl-methyl]-7H-pyrrolo[2,3-d]pyrimidine 1079399-90-8 C30H28ClN7O5
    2-amino-4-chloro-7-[(2-deoxy-3,5-di-O-p-toluoyl-β-D-erythro-pentofuranosyl)-1,2,3-triazol-4-yl-methyl]-7H-pyrrolo[2,3-d]pyrimidine
    —— 2.4-Dimethoxy-6-methoxyamino-s-triazin 85346-71-0 C6H10N4O3
    2.4-Dimethoxy-6-methoxyamino-s-triazin