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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2β,4β-dicarboxy-3,3-(ethylenedioxy)-7α-carboxy-7β-methyl-(1α,5α)-bicyclo<3.3.0>octane 102808-35-5 C15H20O8
    2β,4β-dicarboxy-3,3-(ethylenedioxy)-7α-carboxy-7β-methyl-(1α,5α)-bicyclo<3.3.0>octane
    —— 2,6-diazido-9-(3,5,6-tri-O-benzoyl-2-deoxy-2-fluoro-4-C-hydroxymethyl-β-D-arabinofuranosyl)-9H-purine 374782-70-4 C32H23FN10O7
    2,6-diazido-9-(3,5,6-tri-O-benzoyl-2-deoxy-2-fluoro-4-C-hydroxymethyl-β-D-arabinofuranosyl)-9H-purine
    —— 2-(4-bromophenyl)-N-(4-methoxyphenyl)-2-oxoacetamide 1454255-06-1 C15H12BrNO3
    2-(4-bromophenyl)-N-(4-methoxyphenyl)-2-oxoacetamide
    —— 2-endo-Carboxymethyl-3-thiacepham 1,1,3,3-tetraoxide 129086-46-0 C7H9NO7S2
    2-endo-Carboxymethyl-3-thiacepham 1,1,3,3-tetraoxide
    —— 2-ethyl-4H,5H,6H,7H-[1,3]thiazolo[5,4-c]pyridine dihydrochloride 2138084-26-9 C8H14Cl2N2S
    2-ethyl-4H,5H,6H,7H-[1,3]thiazolo[5,4-c]pyridine dihydrochloride
    —— 2,6-dimethylpiperidinosilane 1413440-84-2 C7H17NSi
    2,6-dimethylpiperidinosilane
    —— 2-Acetamido-3-propionyl-5-chlorthiophen 55865-64-0 C9H10ClNO2S
    2-Acetamido-3-propionyl-5-chlorthiophen
    —— 2-Brom-phenothiazon 21004-91-1 C12H6BrNOS
    2-Brom-phenothiazon
    —— (22R)-des-A,B-8β-(benzoyloxy)-22,25-dihydroxycholest-23-yne 145354-34-3 C25H34O4
    (22R)-des-A,B-8β-(benzoyloxy)-22,25-dihydroxycholest-23-yne
    —— 2-ethyl-1,3-bis-(3-butyl-benzothiazol-2-yl)-trimethinium ; iodide 100834-49-9 C27H33N2S2*I
    2-ethyl-1,3-bis-(3-butyl-benzothiazol-2-yl)-trimethinium ; iodide
    —— 2-chloro-6-(2-fluoro-4-pyridinyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside 1012081-80-9 C21H20ClFN2O7S
    2-chloro-6-(2-fluoro-4-pyridinyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside
    —— 2-chloro-N-(6-(methylsulfonyl)benzothiazol-2-ylcarbamoyl)-5-morpholin-4-ylbenzamide 1143019-85-5 C20H19ClN4O5S2
    2-chloro-N-(6-(methylsulfonyl)benzothiazol-2-ylcarbamoyl)-5-morpholin-4-ylbenzamide
    —— 2-[(3-methoxyphenyl)(piperidin-1-yl)methyl]phenol 1241944-24-0 C19H23NO2
    2-[(3-methoxyphenyl)(piperidin-1-yl)methyl]phenol
    —— (2S,3S,4S,6R,7R)-7-(tert-butyldimethylsilyloxy)-3-(4-methoxybenzyloxy)-2,4,6-trimethylnon-8-en-1-ol 1030594-85-4 C26H46O4Si
    (2S,3S,4S,6R,7R)-7-(tert-butyldimethylsilyloxy)-3-(4-methoxybenzyloxy)-2,4,6-trimethylnon-8-en-1-ol
    —— 2-(4-methyl-piperazin-1-yl)-N-{4-[4-((R)-1-phenyl-ethylamino)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]-benzyl}-acetamide 497840-00-3 C28H33N7O
    2-(4-methyl-piperazin-1-yl)-N-{4-[4-((R)-1-phenyl-ethylamino)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]-benzyl}-acetamide
    —— 2-methoxy-1-(methoxymethoxy)-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]phenanthridine 1270093-46-3 C21H17NO5
    2-methoxy-1-(methoxymethoxy)-[1,3]dioxolo[4',5':4,5]benzo[1,2-c]phenanthridine
    —— (2S,4R)-methyl 4-(2-((1R,3R)-1-hydroxy-3-((2S,3S)-3-methyl-2-((R)-1-methylpiperidine-2-carboxamido)pentanamido)-3-phenylpropyl)thiazole-4-carboxamido)-2-methyl-5-phenylpentanoate 1427513-67-4 C39H53N5O6S
    (2S,4R)-methyl 4-(2-((1R,3R)-1-hydroxy-3-((2S,3S)-3-methyl-2-((R)-1-methylpiperidine-2-carboxamido)pentanamido)-3-phenylpropyl)thiazole-4-carboxamido)-2-methyl-5-phenylpentanoate
    —— 2-Cyclohexyl-2-phenyl-adipinsaeure-dinitril 5365-99-1 C18H22N2
    2-Cyclohexyl-2-phenyl-adipinsaeure-dinitril
    —— 2-Cyan-1,1,3,3-bis(4,4'-dibrom-2,2'-biphenylylen)propen 70532-07-9 C28H13Br4N
    2-Cyan-1,1,3,3-bis(4,4'-dibrom-2,2'-biphenylylen)propen
    —— 2-pyren-1-ylmethylene-3,4-dihydro-2<i>H</i>-phenanthren-1-one 116281-11-9 C31H20O
    2-pyren-1-ylmethylene-3,4-dihydro-2<i>H</i>-phenanthren-1-one
    —— (2,4,7-trioxo-1,2,3,4,7,8-hexahydro-pteridin-6-yl)-(2,4,6-trioxo-2,3,4,5,6,8-hexahydro-1<i>H</i>-pteridin-7-ylidene)-methane 99420-25-4 C13H8N8O6
    (2,4,7-trioxo-1,2,3,4,7,8-hexahydro-pteridin-6-yl)-(2,4,6-trioxo-2,3,4,5,6,8-hexahydro-1<i>H</i>-pteridin-7-ylidene)-methane
    —— 2-(3-phenyl-2H-pyrazolo[3,4-b]pyridin-5-yl)-3-pyridin-4-ylaniline 1195784-93-0 C23H17N5
    2-(3-phenyl-2H-pyrazolo[3,4-b]pyridin-5-yl)-3-pyridin-4-ylaniline
    —— (2RS,3R)-3-amino-4-cyclohexyl-2hydroxy-N-(4-iodo-2-methylphenyl)butanamide hydrochloride 248930-30-5 C17H25IN2O2*ClH
    (2RS,3R)-3-amino-4-cyclohexyl-2hydroxy-N-(4-iodo-2-methylphenyl)butanamide hydrochloride
    —— 2'-desoxy-5-(3-hydroxypropoxymethyl)-β-uridine 143424-39-9 C13H20N2O7
    2'-desoxy-5-(3-hydroxypropoxymethyl)-β-uridine
    —— 2-chloroethyl-(3,3-dimethylbut-1-en-2-yloxy)-diethoxysilane 130891-53-1 C12H25ClO3Si
    2-chloroethyl-(3,3-dimethylbut-1-en-2-yloxy)-diethoxysilane
    —— (2R,3S,4S,6R)-6-Allyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-pyran-3,4-diol 874660-56-7 C25H34O4Si
    (2R,3S,4S,6R)-6-Allyl-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-pyran-3,4-diol
    —— (2R,3R,10bS)-3-Benzoyl-2-(3-fluoro-phenyl)-2,3-dihydro-10bH-pyrrolo[2,1-a]isoquinoline-1,1-dicarbonitrile 132664-74-5 C27H18FN3O
    (2R,3R,10bS)-3-Benzoyl-2-(3-fluoro-phenyl)-2,3-dihydro-10bH-pyrrolo[2,1-a]isoquinoline-1,1-dicarbonitrile
    —— (2R,3aR,4R,5R,6R)-hexahydro-4,5-bis(phenylmethoxy)-6-[(phenylmethoxy)methyl]pyrrolo[1,2-b]isoxazole-2-methanol 631915-23-6 C29H33NO5
    (2R,3aR,4R,5R,6R)-hexahydro-4,5-bis(phenylmethoxy)-6-[(phenylmethoxy)methyl]pyrrolo[1,2-b]isoxazole-2-methanol
    —— 2-propan-2-yloxy-5-[5-[(5S)-5-(pyridin-2-ylmethylamino)-5,6,7,8-tetrahydronaphthalen-1-yl]-1,3,4-thiadiazol-2-yl]benzonitrile 1413608-01-1 C28H27N5OS
    2-propan-2-yloxy-5-[5-[(5S)-5-(pyridin-2-ylmethylamino)-5,6,7,8-tetrahydronaphthalen-1-yl]-1,3,4-thiadiazol-2-yl]benzonitrile
    —— 2,2'-diethyl-4,4'-dihydroxybiphenyl 93015-04-4 C16H18O2
    2,2'-diethyl-4,4'-dihydroxybiphenyl
    —— 2-[8-(1-ethoxycarbonyl-ethylsulfanyl)-octylsulfanyl]-propionic acid ethyl ester 212771-43-2 C18H34O4S2
    2-[8-(1-ethoxycarbonyl-ethylsulfanyl)-octylsulfanyl]-propionic acid ethyl ester
    —— (2S)-N-{4-[(2S)-N-(4,5-dimethoxy-2-aminobenzoyl)-pyrrolidine-2-carboxaldehyde diethyl thioacetal-4-(carboxamidomethylidene)-N-propyl]oxy-5-methoxy-2-aminobenzoyl}pyrrolidine-2-carboxaldehyde diethyl thioacetal 757190-02-6 C40H59N5O7S4
    (2S)-N-{4-[(2S)-N-(4,5-dimethoxy-2-aminobenzoyl)-pyrrolidine-2-carboxaldehyde diethyl thioacetal-4-(carboxamidomethylidene)-N-propyl]oxy-5-methoxy-2-aminobenzoyl}pyrrolidine-2-carboxaldehyde diethyl thioacetal
    —— 2t-Benzyl-4c,5c-epoxy-cyclohexan-1r-carbonsaeure-methylester 93988-95-5 C15H18O3
    2t-Benzyl-4c,5c-epoxy-cyclohexan-1r-carbonsaeure-methylester
    —— 2-Acetyl-5-carboxymethylmercapto-furan 943-84-0 C8H8O4S
    2-Acetyl-5-carboxymethylmercapto-furan
    —— 2.3.4.11-Tetrahydro-1β.11α-dimethyl-1H-fluoren-dicarbonsaeure-(1α.9)-methylester-(1α) 49832-10-2 C18H20O4
    2.3.4.11-Tetrahydro-1β.11α-dimethyl-1H-fluoren-dicarbonsaeure-(1α.9)-methylester-(1α)
    —— 2-Benzyl-1-oxo-3-ethylimino-isoindolin 93330-96-2 C17H16N2O
    2-Benzyl-1-oxo-3-ethylimino-isoindolin
    —— 2-(p-methoxybenzyl)-4-propyl-1,3,3-trimethyl-4-piperidinol 31644-00-5 C19H31NO2
    2-(p-methoxybenzyl)-4-propyl-1,3,3-trimethyl-4-piperidinol
    —— 2-fluoro-8-nitrodibenzothiophene 35707-02-9 C12H6FNO2S
    2-fluoro-8-nitrodibenzothiophene
    —— 2-Ethoxycarbonyl-2,6-dimethyl-3-oxo-heptanedioic acid diethyl ester 93155-49-8 C16H26O7
    2-Ethoxycarbonyl-2,6-dimethyl-3-oxo-heptanedioic acid diethyl ester
    —— 2-m-Chloranilincyclopent-1-encarbonsaeure-m-chloranilid 95315-06-3 C18H16Cl2N2O
    2-m-Chloranilincyclopent-1-encarbonsaeure-m-chloranilid
    —— 2-Brom-3-<3-chlor-5-nitro-4-hydroxyphenyl>-propionsaeure 90721-32-7 C9H7BrClNO5
    2-Brom-3-<3-chlor-5-nitro-4-hydroxyphenyl>-propionsaeure
    —— 2-Carboxyselenophen-sulfonsaeure-(5)-chlorid 90801-59-5 C5H3ClO4SSe
    2-Carboxyselenophen-sulfonsaeure-(5)-chlorid
    —— 2,2-spiro(pentamethylene-3'-azaacetyl)-3-(3'-oxobutyl)-7-methyl-3,7-diaza-4-oxabicyclo<3.3.0>octane-6,8-dione 135581-22-5 C16H23N3O5
    2,2-spiro(pentamethylene-3'-azaacetyl)-3-(3'-oxobutyl)-7-methyl-3,7-diaza-4-oxabicyclo<3.3.0>octane-6,8-dione
    —— 2-(4-nitro-phenylazomercapto)-pentan-3-one 109257-93-4 C11H13N3O3S
    2-(4-nitro-phenylazomercapto)-pentan-3-one
    —— 2-Tropyl-2-carbaethoxy-cyclopentanon 92581-86-7 C15H18O3
    2-Tropyl-2-carbaethoxy-cyclopentanon
    —— 2,6-anhydro-3-azido-1,3,4,5-tetradeoxy-4-fluoro-1-[(3S)-3-(4-fluorobenzyl)piperidin-1-yl]-D-arabino-hexitol 1231936-04-1 C18H24F2N4O
    2,6-anhydro-3-azido-1,3,4,5-tetradeoxy-4-fluoro-1-[(3S)-3-(4-fluorobenzyl)piperidin-1-yl]-D-arabino-hexitol
    —— 2,3,4,5-Tetrabromo-6-[(4-hexadecoxyphenyl)carbamoyl]benzoic acid 1269511-51-4 C30H39Br4NO4
    2,3,4,5-Tetrabromo-6-[(4-hexadecoxyphenyl)carbamoyl]benzoic acid
    —— 2-Nitro-5-(2-chloro-6-fluoro-4-trifluoromethylphenoxy)-N-methylbenzamide 94457-24-6 C15H9ClF4N2O4
    2-Nitro-5-(2-chloro-6-fluoro-4-trifluoromethylphenoxy)-N-methylbenzamide
    —— 2-acetyl-1,2,3,4-tetrahydro-6-(2-hydroxy-3-tert.-butylaminopropoxy)-7-methoxy-1-methyl-isoquinoline 61563-11-9 C20H32N2O4
    2-acetyl-1,2,3,4-tetrahydro-6-(2-hydroxy-3-tert.-butylaminopropoxy)-7-methoxy-1-methyl-isoquinoline
    —— 2-(2-Ethoxyphenyl)-1-[5-[2-fluoro-4-(trifluoromethyl)phenyl]-10-hydroxy-2,2-dimethyl-4,4-dioxo-1,3,5,11-tetrahydrothiopyrano[2,3-c][1,5]benzodiazepin-6-yl]ethanone 1049092-08-1 C31H30F4N2O5S
    2-(2-Ethoxyphenyl)-1-[5-[2-fluoro-4-(trifluoromethyl)phenyl]-10-hydroxy-2,2-dimethyl-4,4-dioxo-1,3,5,11-tetrahydrothiopyrano[2,3-c][1,5]benzodiazepin-6-yl]ethanone