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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2.5-Dihydroxy-3.6-diphenyl-1.4-dioxan 21504-13-2 C16H16O4
    2.5-Dihydroxy-3.6-diphenyl-1.4-dioxan
    —— 2-Ethyl-3-methylmaleinsaeure-4-tert.-butylester-1-methylester 63613-51-4 C12H20O4
    2-Ethyl-3-methylmaleinsaeure-4-tert.-butylester-1-methylester
    —— 2-bromo-3-(1-methylethyl)-6-(methyloxy)-1-{[(methyloxy) methyl] oxy}naphthalene 872549-38-7 C16H19BrO3
    2-bromo-3-(1-methylethyl)-6-(methyloxy)-1-{[(methyloxy) methyl] oxy}naphthalene
    —— 2,5-dimethyl-1-(phenylethynyl)-pyrrolidine 114143-77-0 C14H17N
    2,5-dimethyl-1-(phenylethynyl)-pyrrolidine
    —— 2-(N-dodecanoyl-(4-methylphenyl)sulfonamido)-4-acetoxy-4-phenyl-(2R,4R)-butyl acetate 722538-56-9 C33H47NO7S
    2-(N-dodecanoyl-(4-methylphenyl)sulfonamido)-4-acetoxy-4-phenyl-(2R,4R)-butyl acetate
    —— (2-[bis(trimethylsilyl)methyl]-3,4-bis(methoxycarbonyl)-5-furyl-2H-1,2-azaphosphole-κP)pentacarbonyltungsten(0) 441794-01-0 C23H28NO10PSi2W
    (2-[bis(trimethylsilyl)methyl]-3,4-bis(methoxycarbonyl)-5-furyl-2H-1,2-azaphosphole-κP)pentacarbonyltungsten(0)
    —— 2-[(2-Bromophenyl)methylamino]-4-phenylphenol 1000590-04-4 C19H16BrNO
    2-[(2-Bromophenyl)methylamino]-4-phenylphenol
    —— 2,2,2-Trifluoro-1-[1-(2-methyl-pyrrolidin-1-yl)-4-(2,2,2-trifluoro-acetyl)-naphthalen-2-yl]-ethanone 148172-79-6 C19H15F6NO2
    2,2,2-Trifluoro-1-[1-(2-methyl-pyrrolidin-1-yl)-4-(2,2,2-trifluoro-acetyl)-naphthalen-2-yl]-ethanone
    —— 2-(3,5-dichloro-phenyl)-4-hydroxymethyl-2<i>H</i>-phthalazin-1-one 40849-26-1 C15H10Cl2N2O2
    2-(3,5-dichloro-phenyl)-4-hydroxymethyl-2<i>H</i>-phthalazin-1-one
    —— 2-Amino-3-[3-amino-6-(1-amino-ethyl)-tetrahydro-pyran-2-yloxy]-5-[(2-amino-ethyl)-methyl-amino]-6-methoxy-cyclohexane-1,4-diol 76420-60-5 C17H37N5O5
    2-Amino-3-[3-amino-6-(1-amino-ethyl)-tetrahydro-pyran-2-yloxy]-5-[(2-amino-ethyl)-methyl-amino]-6-methoxy-cyclohexane-1,4-diol
    —— 2,3-Dimethyl-6-carbomethoxyimidazo<2,1-b>thiazol 57333-42-3 C9H10N2O2S
    2,3-Dimethyl-6-carbomethoxyimidazo<2,1-b>thiazol
    —— 2,2'-anhydro-1-(3,5-O-isopropylidene-β-L-lyxofuranosyl)thymine 339091-32-6 C13H16N2O5
    2,2'-anhydro-1-(3,5-O-isopropylidene-β-L-lyxofuranosyl)thymine
    —— 2-hydroxy-N,N-dibutylpent-4-enamide 1394853-75-8 C13H25NO2
    2-hydroxy-N,N-dibutylpent-4-enamide
    —— (+/-)-2,3-diphenyl-1,2,3,4-butanetetrol 115533-56-7 C16H18O4
    (+/-)-2,3-diphenyl-1,2,3,4-butanetetrol
    —— 2-(<i>O</i><sup>2</sup>,<i>O</i><sup>5</sup>-diacetyl-3-bromo-β-<i>D</i>-3-deoxy-arabinofuranosyl)-2<i>H</i>-[1,2,4]triazine-3,5-dione 58377-18-7 C12H14BrN3O7
    2-(<i>O</i><sup>2</sup>,<i>O</i><sup>5</sup>-diacetyl-3-bromo-β-<i>D</i>-3-deoxy-arabinofuranosyl)-2<i>H</i>-[1,2,4]triazine-3,5-dione
    —— 2-[6-(8-{[4-(morpholin-4-yl)phenyl]amino}imidazo[1,2-a]pyrazin-6-yl)-1H-indazol-3-yl]propan-2-ol 1229210-94-9 C26H27N7O2
    2-[6-(8-{[4-(morpholin-4-yl)phenyl]amino}imidazo[1,2-a]pyrazin-6-yl)-1H-indazol-3-yl]propan-2-ol
    —— 2,2-dimethyl-3-(3-tetrahydropyranyloxy-2-methylpropyl)-cis-cyclopropane-carbaldehyde 1,3-dithiopropane acetal 91319-07-2 C18H32O2S2
    2,2-dimethyl-3-(3-tetrahydropyranyloxy-2-methylpropyl)-cis-cyclopropane-carbaldehyde 1,3-dithiopropane acetal
    —— <2-(Dimethyloxo-λ<sup>6</sup>-sulfanyliden)-1-(2-thienyl)ethyliden>cyanamid 102423-25-6 C9H10N2OS2
    <2-(Dimethyloxo-λ<sup>6</sup>-sulfanyliden)-1-(2-thienyl)ethyliden>cyanamid
    —— 2-(4-Acetoxy-nonyl)-2-acetyl-non-4-ynedioic acid 1-tert-butyl ester 9-methyl ester 85514-67-6 C27H44O7
    2-(4-Acetoxy-nonyl)-2-acetyl-non-4-ynedioic acid 1-tert-butyl ester 9-methyl ester
    —— 2-(2-((4-amino-2-(methylthio)pyrimidin-5-yl)methylene)hydrazono)-3-propylthiazolidin-4-one 1063628-69-2 C12H16N6OS2
    2-(2-((4-amino-2-(methylthio)pyrimidin-5-yl)methylene)hydrazono)-3-propylthiazolidin-4-one
    —— [2-(2-pyridyl)-1H-benzimidazole-κ2N2,N3]bis(p-toluato-κ2O,O')manganese(II) 1111896-82-2 C28H23MnN3O4
    [2-(2-pyridyl)-1H-benzimidazole-κ2N2,N3]bis(p-toluato-κ2O,O')manganese(II)
    —— 2,5-bis(propan-2-yl)furan-3-carboxylic acid 1542964-03-3 C11H16O3
    2,5-bis(propan-2-yl)furan-3-carboxylic acid
    —— 2-[1-(4-benzothiazol-2-yl-phenyl)-ethylamino]-ethanol 36084-80-7 C17H18N2OS
    2-[1-(4-benzothiazol-2-yl-phenyl)-ethylamino]-ethanol
    —— {2-[4-(2-Hydroxy-ethyl)-piperazin-1-yl]-ethylsulfanyl}-acetic acid 4-ethyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-tricyclo[5.4.3.0<sup>1,8</sup>]tetradec-6-yl ester; compound with (Z)-but-2-enedioic acid 62445-39-0 C4H4O4*C30H52N2O5S
    {2-[4-(2-Hydroxy-ethyl)-piperazin-1-yl]-ethylsulfanyl}-acetic acid 4-ethyl-3-hydroxy-2,4,7,14-tetramethyl-9-oxo-tricyclo[5.4.3.0<sup>1,8</sup>]tetradec-6-yl ester; compound with (Z)-but-2-enedioic acid
    —— (2R,3S,4R,5R)-2,3-Diacetoxy-4-benzoyloxy-5-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester 62008-46-2 C18H20O10
    (2R,3S,4R,5R)-2,3-Diacetoxy-4-benzoyloxy-5-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester
    —— 2-(2-Benzyloxy-1-benzyloxymethyl-ethyl)-isoindole-1,3-dione 213026-99-4 C25H23NO4
    2-(2-Benzyloxy-1-benzyloxymethyl-ethyl)-isoindole-1,3-dione
    —— 2-[(4-tert-butyl-benzenesulfonyl)-(6-methyl-pyridin-3-yl)-amino]-N,N-diethyl-acetamide 680590-86-7 C22H31N3O3S
    2-[(4-tert-butyl-benzenesulfonyl)-(6-methyl-pyridin-3-yl)-amino]-N,N-diethyl-acetamide
    —— [2-(6-chloro-pyridin-2-yl)-quinazolin-4-yl]-cyclohexyl-amine 942984-09-0 C19H19ClN4
    [2-(6-chloro-pyridin-2-yl)-quinazolin-4-yl]-cyclohexyl-amine
    —— 2-Bromo-2-phenyl-but-3-ynoic acid ethyl ester 62946-76-3 C12H11BrO2
    2-Bromo-2-phenyl-but-3-ynoic acid ethyl ester
    —— 2,2-Diethyl-4,4,9,9-tetrakis-trifluoromethyl-[1,3,5,8,2]tetroxagermonane 58310-57-9 C12H14F12GeO4
    2,2-Diethyl-4,4,9,9-tetrakis-trifluoromethyl-[1,3,5,8,2]tetroxagermonane
    —— 2-(5-Hydroxy-pentyl)-5-methyl-cyclohexanone 1823338-08-4 C12H22O2
    2-(5-Hydroxy-pentyl)-5-methyl-cyclohexanone
    —— 2-bromo-9-methyl-7-(trifluoroacetyl)-6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine 959636-84-1 C12H12BrF3N2O
    2-bromo-9-methyl-7-(trifluoroacetyl)-6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine
    —— 2,3-Dichlor-2-(p-diaethylaminotetrafluorphenyl)-3,3-difluorpropionylfluorid 43139-88-4 C13H10Cl2F7NO
    2,3-Dichlor-2-(p-diaethylaminotetrafluorphenyl)-3,3-difluorpropionylfluorid
    —— 2,3,4,5-Tetra-O-benzyl-D-arabinose-dibenzyldithioacetal 64482-62-8 C47H48O4S2
    2,3,4,5-Tetra-O-benzyl-D-arabinose-dibenzyldithioacetal
    —— 2-((Z)-3-Oxo-3-phenyl-propenyl)-benzenesulfonic acid methyl ester 55456-87-6 C16H14O4S
    2-((Z)-3-Oxo-3-phenyl-propenyl)-benzenesulfonic acid methyl ester
    —— 2-Thio-3-(p)jod-phenyl-4(p)hydroxyphenyl-Δ<sup>4</sup>-thiazolin 51656-35-0 C15H10INOS2
    2-Thio-3-(p)jod-phenyl-4(p)hydroxyphenyl-Δ<sup>4</sup>-thiazolin
    —— 2-[1,2-di(benzyloxy)-(1S,2S)-propyl]-(2R)-hexan-1-ol 790664-76-5 C23H32O3
    2-[1,2-di(benzyloxy)-(1S,2S)-propyl]-(2R)-hexan-1-ol
    —— 2-Naphthalen-2-yl-5-(3-trifluoromethyl-phenyl)-2,4-dihydro-pyrazol-3-one 936947-29-4 C20H13F3N2O
    2-Naphthalen-2-yl-5-(3-trifluoromethyl-phenyl)-2,4-dihydro-pyrazol-3-one
    —— 2-[(S)-2-(1-Benzyl-2-methyl-propoxycarbonylamino)-1-hydroxy-hexyl]-thiazole-4-carboxylic acid ethyl ester 865537-90-2 C24H34N2O5S
    2-[(S)-2-(1-Benzyl-2-methyl-propoxycarbonylamino)-1-hydroxy-hexyl]-thiazole-4-carboxylic acid ethyl ester
    —— (2R,3R,4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-methyl-1-phenylmethoxyhex-5-en-3-ol 110410-31-6 C20H34O3Si
    (2R,3R,4R)-4-[tert-butyl(dimethyl)silyl]oxy-2-methyl-1-phenylmethoxyhex-5-en-3-ol
    —— (2S,3S)-2,3-dimethyloxirane-2,3-d2 142630-88-4 C4H8O
    (2S,3S)-2,3-dimethyloxirane-2,3-d2
    —— 2-hydroxy-4,6-dimethoxy-3-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)benzaldehyde 163356-59-0 C43H44O9
    2-hydroxy-4,6-dimethoxy-3-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)benzaldehyde
    —— 2-methyl-2-{2-(5-norbornen-2-yl)ethyl}-1,3-dioxane 443648-62-2 C14H22O2
    2-methyl-2-{2-(5-norbornen-2-yl)ethyl}-1,3-dioxane
    —— [2-hydroxy-4-(6-methylheptanoyl)-5-oxo-2H-furan-3-yl]methyl acetate 158522-71-5 C15H22O6
    [2-hydroxy-4-(6-methylheptanoyl)-5-oxo-2H-furan-3-yl]methyl acetate
    —— 2-[(aminocarbonyl)amino]-5-[4-{[(2-fluorobenzyl)amino]methyl}phenyl]thiophene-3-carboxamide 728947-87-3 C20H19FN4O2S
    2-[(aminocarbonyl)amino]-5-[4-{[(2-fluorobenzyl)amino]methyl}phenyl]thiophene-3-carboxamide
    —— [(2S,3R,4R,5R)-4,5-diacetyloxy-2-methyl-6-prop-2-enyloxan-3-yl] acetate 211304-12-0 C15H22O7
    [(2S,3R,4R,5R)-4,5-diacetyloxy-2-methyl-6-prop-2-enyloxan-3-yl] acetate
    —— [2(1S),4S,5S]-4,5-dicyclohexyl-2-[1-azido-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1,3,2-dioxaborolane 304915-08-0 C22H42BN3O3Si
    [2(1S),4S,5S]-4,5-dicyclohexyl-2-[1-azido-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-1,3,2-dioxaborolane
    —— 2,2-dimethoxyethyl 3-phenylpropanoate 132279-55-1 C13H18O4
    2,2-dimethoxyethyl 3-phenylpropanoate
    —— [(2R,3R,4R,5R,6R)-3-benzoyloxy-2-[[3-[(3S,4R,5R)-3-butyl-7-(dimethylamino)-3-ethyl-4-hydroxy-1,1-dioxo-4,5-dihydro-2H-1lambda6-benzothiepin-5-yl]phenyl]carbamoylamino]-5-fluoro-6-[(4-methylphenyl)sulfonyloxymethyl]oxan-4-yl] benzoate 1025009-35-1 C52H58FN3O12S2
    [(2R,3R,4R,5R,6R)-3-benzoyloxy-2-[[3-[(3S,4R,5R)-3-butyl-7-(dimethylamino)-3-ethyl-4-hydroxy-1,1-dioxo-4,5-dihydro-2H-1lambda6-benzothiepin-5-yl]phenyl]carbamoylamino]-5-fluoro-6-[(4-methylphenyl)sulfonyloxymethyl]oxan-4-yl] benzoate
    —— [2-(3-Acetoxy-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-oxiranyl]-acetic acid methyl ester 58504-58-8 C26H38O5
    [2-(3-Acetoxy-10,13-dimethyl-2,3,4,5,6,7,8,9,10,11,12,13,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-oxiranyl]-acetic acid methyl ester