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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— (2S,5R)-2,5-Bis-chloromethyl-2,5-dimethyl-[1,4]dithiane 21273-21-2 C8H14Cl2S2
    (2S,5R)-2,5-Bis-chloromethyl-2,5-dimethyl-[1,4]dithiane
    —— 2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-bromo-tetrahydro-pyran-2-ylmethyl ester 35094-59-8 C32H37BrO6
    2,2-Dimethyl-propionic acid (2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-bromo-tetrahydro-pyran-2-ylmethyl ester
    —— 2,3-Dimethyl-6,10-dithia-spiro[4.5]dec-2-ene 39806-76-3 C10H16S2
    2,3-Dimethyl-6,10-dithia-spiro[4.5]dec-2-ene
    —— 2,6-dimethyl-4,9-diphenyl-hexahydro-4,8-etheno-pyrrolo[3,4-<i>f</i>]isoindole-1,3,5,7-tetraone 38127-32-1 C26H22N2O4
    2,6-dimethyl-4,9-diphenyl-hexahydro-4,8-etheno-pyrrolo[3,4-<i>f</i>]isoindole-1,3,5,7-tetraone
    —— 2,3,4-Trimethylcyclohepta-1,3,5-trien 61051-80-7 C10H14
    2,3,4-Trimethylcyclohepta-1,3,5-trien
    —— 2,2-Ethylendioxy-2,3,3a,4,5,9b-hexahydro-3a-hydroxymethyl-7-methoxy-1H-benz<e>inden 27752-30-3 C17H22O4
    2,2-Ethylendioxy-2,3,3a,4,5,9b-hexahydro-3a-hydroxymethyl-7-methoxy-1H-benz<e>inden
    —— 2-endo-Hydroxy-2-exo-propinyl-camphon 130465-33-7 C13H20O
    2-endo-Hydroxy-2-exo-propinyl-camphon
    —— 2,3,15,16-Tetramethoxy-5,6,12,13-tetrahydro-9,18-oxomethano-diisochinolino<2,1-a;1',2'-d>-1,5-diaza-cyclooctan 19816-02-5 C27H32N2O5
    2,3,15,16-Tetramethoxy-5,6,12,13-tetrahydro-9,18-oxomethano-diisochinolino<2,1-a;1',2'-d>-1,5-diaza-cyclooctan
    —— 2-[(3,4-Dimethyl-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione 27845-08-5 C18H18N2O2
    2-[(3,4-Dimethyl-phenyl)-hydrazono]-1-phenyl-butane-1,3-dione
    —— 2-Methyl-4-<1-hydroxy-1-(p-nitrophenyl)-methyl>-1,2,3,4-tetrahydroisochinolin 25391-19-9 C17H18N2O3
    2-Methyl-4-<1-hydroxy-1-(p-nitrophenyl)-methyl>-1,2,3,4-tetrahydroisochinolin
    —— 2-Hydroxymethylen-progesteron-20-ethylenketal, 2-Hydroxymethylen-20,20-ethylendioxy-pregnen-(4)-on-(3) 25424-88-8 C24H34O4
    2-Hydroxymethylen-progesteron-20-ethylenketal, 2-Hydroxymethylen-20,20-ethylendioxy-pregnen-(4)-on-(3)
    —— 2-Methyl-3-imino-2,3-dihydro-dibenz-[b,f]-imidazo-[1,5-d][1,4]-oxazepine hydrobromide 85777-34-0 BrH*C16H13N3O
    2-Methyl-3-imino-2,3-dihydro-dibenz-[b,f]-imidazo-[1,5-d][1,4]-oxazepine hydrobromide
    —— 2-Acetylamino-N-(5,6,8-trihydroxy-3-methyl-1-oxo-octahydro-isochromen-4-yl)-propionamide 28270-61-3 C15H24N2O7
    2-Acetylamino-N-(5,6,8-trihydroxy-3-methyl-1-oxo-octahydro-isochromen-4-yl)-propionamide
    —— 2,6-Diaminopimelinsaeure-(2-14C) 5183-03-9 C7H14N2O4
    2,6-Diaminopimelinsaeure-(2-14C)
    —— 2-Methylselenonaphtholo<2,3-d>-Oxazol 32283-08-2 C10H7NOSe
    2-Methylselenonaphtholo<2,3-d>-Oxazol
    —— <2,4-Dichlor-phenoxy>-essigsaeure-<β-chlor-β'-pentyloxy-isopropylester> 42314-07-8 C16H21Cl3O4
    <2,4-Dichlor-phenoxy>-essigsaeure-<β-chlor-β'-pentyloxy-isopropylester>
    —— 2-Methyl-9'H-[9,9']bifluorenyl-9-ol 42189-82-2 C27H20O
    2-Methyl-9'H-[9,9']bifluorenyl-9-ol
    —— 2-α-Phenyl-bicylo<3.3.1>nonan-3-on 1195592-56-3 C15H18O
    2-α-Phenyl-bicylo<3.3.1>nonan-3-on
    —— 2-(<i>O</i><sup>3</sup>,<i>O</i><sup>5</sup>-diacetyl-2-bromo-β-<i>D</i>-2-deoxy-ribofuranosyl)-2<i>H</i>-[1,2,4]triazine-3,5-dione 61403-43-8 C12H14BrN3O7
    2-(<i>O</i><sup>3</sup>,<i>O</i><sup>5</sup>-diacetyl-2-bromo-β-<i>D</i>-2-deoxy-ribofuranosyl)-2<i>H</i>-[1,2,4]triazine-3,5-dione
    —— (2R,3R,4R,5R)-2-((R)-1,2-Bis-trimethylsilanyloxy-ethyl)-2,3,4-tris-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan 54083-10-2 C25H62O7Si6
    (2R,3R,4R,5R)-2-((R)-1,2-Bis-trimethylsilanyloxy-ethyl)-2,3,4-tris-trimethylsilanyloxy-5-trimethylsilanyloxymethyl-tetrahydro-furan
    —— (2<i>R</i>,3<i>R</i>)-6,6-bis-ethylsulfanyl-hexane-2,3-diol 50693-17-9 C10H22O2S2
    (2<i>R</i>,3<i>R</i>)-6,6-bis-ethylsulfanyl-hexane-2,3-diol
    —— 2-[bis(diphenylphosphanyl)amino]ethanol;carbon monoxide;tungsten 87692-72-6 C30H25NO5P2W
    2-[bis(diphenylphosphanyl)amino]ethanol;carbon monoxide;tungsten
    —— 2-([1,4]dioxan-2-ylmethoxy)-9-(3-hydroxy-hex-1-ynyl)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one 1443992-39-9 C23H26N2O5
    2-([1,4]dioxan-2-ylmethoxy)-9-(3-hydroxy-hex-1-ynyl)-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one
    —— 2-N(2-hydroxy-5-chloro-phenyl)pyridine-2,5-dicarboxamide 1443619-40-6 C13H10ClN3O3
    2-N(2-hydroxy-5-chloro-phenyl)pyridine-2,5-dicarboxamide
    —— 2-Chlor-1-fluorsulfonyl-butan 2105-82-0 C4H8ClFO2S
    2-Chlor-1-fluorsulfonyl-butan
    —— 2-(2,6-Dichloro-phenyl)-1-piperidin-1-yl-ethanone 5916-84-7 C13H15Cl2NO
    2-(2,6-Dichloro-phenyl)-1-piperidin-1-yl-ethanone
    —— 2-Formyl-5-hydroxy-3-methylamino-pyrazin 769-72-2 C6H7N3O2
    2-Formyl-5-hydroxy-3-methylamino-pyrazin
    —— 2,4-Dimethyl-6-<1-chlor-aethyl>-s-triazin 3599-65-3 C7H10ClN3
    2,4-Dimethyl-6-<1-chlor-aethyl>-s-triazin
    —— 2-(benzyloxymethyl)-3,3-dimethylcyclopropanecarboxylate sodium salt 1226523-14-3 C14H17O3*Na
    2-(benzyloxymethyl)-3,3-dimethylcyclopropanecarboxylate sodium salt
    —— 2-Butanone, 3-(methylthio)-, O-(aminocarbonyl)oxime 34681-25-9 C6H12N2O2S
    2-Butanone, 3-(methylthio)-, O-(aminocarbonyl)oxime
    —— (2,4-Dichloro-phenyl)-(2,3,5-trichloro-6-hydroxy-phenyl)-methanone 34171-61-4 C13H5Cl5O2
    (2,4-Dichloro-phenyl)-(2,3,5-trichloro-6-hydroxy-phenyl)-methanone
    —— [(2R,3R,4S,5R,6S)-6-[[(1R,4aR,5S,7aS)-5-acetyloxy-7-(acetyloxymethyl)-3-oxo-4,4a,5,7a-tetrahydro-1H-cyclopenta[c]pyran-1-yl]oxy]-3,4,5-triacetyloxyoxan-2-yl]methyl acetate 72034-71-0 C27H34O16
    [(2R,3R,4S,5R,6S)-6-[[(1R,4aR,5S,7aS)-5-acetyloxy-7-(acetyloxymethyl)-3-oxo-4,4a,5,7a-tetrahydro-1H-cyclopenta[c]pyran-1-yl]oxy]-3,4,5-triacetyloxyoxan-2-yl]methyl acetate
    —— 2-hydroxyethyl-1-ammonium 3-ethoxycarbonyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-olate 1142811-39-9 C2H7NO*C11H10N2O4
    2-hydroxyethyl-1-ammonium 3-ethoxycarbonyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-olate
    —— 2,2'-Bipyridin-6,6'-bis(methylamin-N,N-diessigsaeure-dimethylester) 94840-63-8 C24H30N4O8
    2,2'-Bipyridin-6,6'-bis(methylamin-N,N-diessigsaeure-dimethylester)
    —— 2,2-Dimethyl-propionic acid (3aS,4R,5R,6S,7aS)-6-benzyloxy-4-(tert-butyl-diphenyl-silanyloxymethyl)-5-(4-methoxy-benzyloxymethyl)-2,2,5-trimethyl-tetrahydro-benzo[1,3]dioxol-3a-ylmethyl ester 202062-71-3 C49H64O8Si
    2,2-Dimethyl-propionic acid (3aS,4R,5R,6S,7aS)-6-benzyloxy-4-(tert-butyl-diphenyl-silanyloxymethyl)-5-(4-methoxy-benzyloxymethyl)-2,2,5-trimethyl-tetrahydro-benzo[1,3]dioxol-3a-ylmethyl ester
    —— (2S,3R)-5,5-Dimethoxy-2-phenylsulfanyl-pentane-1,3-diol 143422-75-7 C13H20O4S
    (2S,3R)-5,5-Dimethoxy-2-phenylsulfanyl-pentane-1,3-diol
    —— 2-(pyridin-2-yl)phenyl methanesulfonate 1390631-63-6 C12H11NO3S
    2-(pyridin-2-yl)phenyl methanesulfonate
    —— 2,4-Dioxo-1,2,3,4-tetrahydro-3,7,8,10-tetramethyl-pyrimido<5.4-b><1.4>benzothiazin Sulfoxid 70239-45-1 C14H15N3O3S
    2,4-Dioxo-1,2,3,4-tetrahydro-3,7,8,10-tetramethyl-pyrimido<5.4-b><1.4>benzothiazin Sulfoxid
    —— (2'S,6S)-1-ethyl-6-methyl-6-<<2'-(methoxymethyl)pyrrolidinyl>carbonyl>-1,4-cyclohexadiene 134389-29-0 C16H25NO2
    (2'S,6S)-1-ethyl-6-methyl-6-<<2'-(methoxymethyl)pyrrolidinyl>carbonyl>-1,4-cyclohexadiene
    —— 2-chloro-5-(2-chloro-pyrimidin-4-yloxy)-N-(1-hydroxy-cyclohexylmethyl)-benzamide 1394348-76-5 C18H19Cl2N3O3
    2-chloro-5-(2-chloro-pyrimidin-4-yloxy)-N-(1-hydroxy-cyclohexylmethyl)-benzamide
    —— 2-bromo-7,9,10,10-tetramethyl-9,10-dihydro-9-aza-10-silaanthracene 1201913-35-0 C16H18BrNSi
    2-bromo-7,9,10,10-tetramethyl-9,10-dihydro-9-aza-10-silaanthracene
    —— 2-butyl-5-methyl-4-morpholin-4-yl-thieno[2,3-d]pyrimidine 1611471-42-1 C15H21N3OS
    2-butyl-5-methyl-4-morpholin-4-yl-thieno[2,3-d]pyrimidine
    —— 2-(trifluoromethyl)cyclooctanone 1594079-68-1 C9H13F3O
    2-(trifluoromethyl)cyclooctanone
    —— {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-[3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid 4-methoxy-benzyl ester 102646-19-5 C45H52N3O6PS2Si
    {(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-[3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid 4-methoxy-benzyl ester
    —— 2-(4-((1S,2S)-2-(morpholinomethyl)cyclopropyl)phenyl)pyridazin-3(2H)-one 1366440-71-2 C18H21N3O2
    2-(4-((1S,2S)-2-(morpholinomethyl)cyclopropyl)phenyl)pyridazin-3(2H)-one
    —— 2-(4-Hydroxyphenyl)-3-(4-dimethylaminophenyl)propennitril 21132-41-2 C17H16N2O
    2-(4-Hydroxyphenyl)-3-(4-dimethylaminophenyl)propennitril
    —— (2,2-difluoro-ethyl)-carboximidoyl chloride 675-76-3 C3H3Cl2F2N
    (2,2-difluoro-ethyl)-carboximidoyl chloride
    —— (2R,3R)-2-(t-butoxycarbonylamino)-3-hydroxy-3-(4-hydroxycyclohexyl)propanoic acid 578717-59-6 C14H25NO6
    (2R,3R)-2-(t-butoxycarbonylamino)-3-hydroxy-3-(4-hydroxycyclohexyl)propanoic acid
    —— 2-N-methyl-6-[5-(2-methylpyridin-3-yl)-1,2,4-oxadiazol-3-yl]-2-N-phenyl-1,3,5-triazine-2,4-diamine 1366660-60-7 C18H16N8O
    2-N-methyl-6-[5-(2-methylpyridin-3-yl)-1,2,4-oxadiazol-3-yl]-2-N-phenyl-1,3,5-triazine-2,4-diamine
    —— 2-decen-1-yl-di(tert-butyl)imidodicarbonate 1315127-74-2 C20H37NO4
    2-decen-1-yl-di(tert-butyl)imidodicarbonate