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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2,5-trimethyl-1,3-dioxanaphthacene-4,6,11-trione 177789-55-8 C19H14O5
    2,2,5-trimethyl-1,3-dioxanaphthacene-4,6,11-trione
    —— 2,10-dihydroxydicyclohepta[b,d]furan-3,9-dione-5,7-d2 82833-02-1 C14H8O5
    2,10-dihydroxydicyclohepta[b,d]furan-3,9-dione-5,7-d2
    —— 2-(difluoroboryl)-N,N-dimethylbiphenyl-3-carboxamide 1391984-44-3 C15H14BF2NO
    2-(difluoroboryl)-N,N-dimethylbiphenyl-3-carboxamide
    —— 2,3-Diisobutyl-thiaziridine 1,1-dioxide 136338-10-8 C9H19NO2S
    2,3-Diisobutyl-thiaziridine 1,1-dioxide
    —— 2,2'-(oxalyldiimino)bis<(N-methoxy)phenylglyoxamide> 108925-66-2 C20H18N4O8
    2,2'-(oxalyldiimino)bis<(N-methoxy)phenylglyoxamide>
    —— 2-fluoro-4'-methyl-3-(trifluoromethyl)biphenyl 1412329-47-5 C14H10F4
    2-fluoro-4'-methyl-3-(trifluoromethyl)biphenyl
    —— 2-Chlor-2,3,3-trimethyl-4-oxo-nonansaeure-(9)-ethylester 106842-42-6 C14H25ClO3
    2-Chlor-2,3,3-trimethyl-4-oxo-nonansaeure-(9)-ethylester
    —— 2-(Diethyl-phosphinoyl)-acetimidic acid ethyl ester 70807-79-3 C8H18NO2P
    2-(Diethyl-phosphinoyl)-acetimidic acid ethyl ester
    —— 2-Benzoyl-3-methyl-benzo<b>selenophen 20984-17-2 C16H12OSe
    2-Benzoyl-3-methyl-benzo<b>selenophen
    —— 2,3-dimethyl-N-((S)-1-phenylethyl)cyclopentan-1-amine 1438389-96-8 C15H23N
    2,3-dimethyl-N-((S)-1-phenylethyl)cyclopentan-1-amine
    —— 2,5-dimethyl-adipic acid bis-(2-vinyloxy-ethylamide) 101725-43-3 C16H28N2O4
    2,5-dimethyl-adipic acid bis-(2-vinyloxy-ethylamide)
    —— 2,2-tetramethylene-5-oxo-4-phenyl-2,5-dihydroisoxazol-2-ium-3-olate 120697-31-6 C13H13NO3
    2,2-tetramethylene-5-oxo-4-phenyl-2,5-dihydroisoxazol-2-ium-3-olate
    —— 2,6-Dichlor-benzyl-trichlor-silan 22834-04-4 C7H5Cl5Si
    2,6-Dichlor-benzyl-trichlor-silan
    —— (2S)-2-benzylamino-8-methoxytetralin hydrochloride 78095-36-0 C18H21NO*ClH
    (2S)-2-benzylamino-8-methoxytetralin hydrochloride
    —— (2R,3S)-2-[(4-methoxyphenyl)methylamino]hexane-1,3-diol 138611-30-0 C14H23NO3
    (2R,3S)-2-[(4-methoxyphenyl)methylamino]hexane-1,3-diol
    —— 2,5-dimethyl-N-phenyl-1-(2-phenylethyl)piperidin-4-imine 123039-70-3 C21H26N2
    2,5-dimethyl-N-phenyl-1-(2-phenylethyl)piperidin-4-imine
    —— 2-{(2R,6S)-6-[(2S,4R,5S)-2-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-5-methyl-hexyl]-tetrahydro-pyran-2-yl}-2-methyl-propionic acid 2-trimethylsilanyl-ethyl ester 863660-54-2 C34H62O6Si2
    2-{(2R,6S)-6-[(2S,4R,5S)-2-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-5-methyl-hexyl]-tetrahydro-pyran-2-yl}-2-methyl-propionic acid 2-trimethylsilanyl-ethyl ester
    —— (2E)-(5-chloro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)[(4-chlorophenyl)amino]ethanoic acid 1399208-12-8 C16H10Cl2N2O3
    (2E)-(5-chloro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)[(4-chlorophenyl)amino]ethanoic acid
    —— (2R,3R,4S,5R,6S)-2-((benzoyloxy)methyl)-6-(((3R,4S,5R,6R)-2,3,5-tris(benzoyloxy)-6-(((tert-butyldimethylsilyl)oxy)methyl)tetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 1366279-10-8 C67H64O18Si
    (2R,3R,4S,5R,6S)-2-((benzoyloxy)methyl)-6-(((3R,4S,5R,6R)-2,3,5-tris(benzoyloxy)-6-(((tert-butyldimethylsilyl)oxy)methyl)tetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate
    —— (2S)-4-methyl-N-[(3aS,4R,6aR)-2-(methylsulfonyl)octahydrocyclopenta[c]pyrrol-4-yl]-2-pyrrolidin-1-ylpentanamide 1228027-31-3 C18H33N3O3S
    (2S)-4-methyl-N-[(3aS,4R,6aR)-2-(methylsulfonyl)octahydrocyclopenta[c]pyrrol-4-yl]-2-pyrrolidin-1-ylpentanamide
    —— 2'-Deoxy-N-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo(a)pyren-10-yl)guanosine (7alpha,8beta,9alpha,10beta)-(+-)- 62696-74-6 C30H27N5O8
    2'-Deoxy-N-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo(a)pyren-10-yl)guanosine (7alpha,8beta,9alpha,10beta)-(+-)-
    —— (2R,5R)-9-<tetrahydro-5-(phosphonomethoxy)-2-furanyl>adenine ammonium salt 132178-54-2 C10H14N5O5P*H3N
    (2R,5R)-9-<tetrahydro-5-(phosphonomethoxy)-2-furanyl>adenine ammonium salt
    —— 2-Acetamido-2-desoxy-5-O-benzyl-6-O-(4-methoxybenzyl)-3-O-(methoxymethyl)-D-xylo-hexose-oxim-O-methylether 136409-06-8 C26H36N2O7
    2-Acetamido-2-desoxy-5-O-benzyl-6-O-(4-methoxybenzyl)-3-O-(methoxymethyl)-D-xylo-hexose-oxim-O-methylether
    —— 2-Brommethyl-5-<4-methoxy-phenyl>-1,3,4-oxadiazol 91445-72-6 C10H9BrN2O2
    2-Brommethyl-5-<4-methoxy-phenyl>-1,3,4-oxadiazol
    —— 2-epiavermectin B<sub>1a</sub> aglycon 163513-58-4 C34H48O8
    2-epiavermectin B<sub>1a</sub> aglycon
    —— 2,2'-(1,2-Phenylendiamino)bisbenzophenon 98572-24-8 C32H24N2O2
    2,2'-(1,2-Phenylendiamino)bisbenzophenon
    —— 2-methyl-6-(5-methyl-2-oxazolyl)-5H-oxazolo<3,2-a><1,3,5>triazine-5,7(6H)-dione 84978-63-2 C10H8N4O4
    2-methyl-6-(5-methyl-2-oxazolyl)-5H-oxazolo<3,2-a><1,3,5>triazine-5,7(6H)-dione
    —— 2-cyano-3-(5-{9-[4-(bis(4-methoxyphenyl)amino)phenyl]-5,12-dioctyl-7,14-dioxo-5,7,12,14-tetrahydroquinolino[2,3-b]acridin-2-yl}furan-2-yl)acrylic acid 1414782-64-1 C64H64N4O7
    2-cyano-3-(5-{9-[4-(bis(4-methoxyphenyl)amino)phenyl]-5,12-dioctyl-7,14-dioxo-5,7,12,14-tetrahydroquinolino[2,3-b]acridin-2-yl}furan-2-yl)acrylic acid
    —— 2-(2-hydroxy-[1]naphthylazo)-5-nitro-benzoic acid 52740-83-7 C17H11N3O5
    2-(2-hydroxy-[1]naphthylazo)-5-nitro-benzoic acid
    —— 2-(6-(3-ethoxyphenyl)-5-methylpyridin-3-ylamino)-5-methylbenzoic acid 1119085-90-3 C22H22N2O3
    2-(6-(3-ethoxyphenyl)-5-methylpyridin-3-ylamino)-5-methylbenzoic acid
    —— 2-tert-butylamino-3-(3'-hydroxypropyl)-1,6,8-trimethoxynaphthalene 329762-57-4 C20H29NO4
    2-tert-butylamino-3-(3'-hydroxypropyl)-1,6,8-trimethoxynaphthalene
    —— [(2S,4S)-2-(bromomethyl)-2-(2,4-difluorophenyl)-1,3-dioxolan-4-yl]methyl methanesulfonate 1207291-69-7 C12H13BrF2O5S
    [(2S,4S)-2-(bromomethyl)-2-(2,4-difluorophenyl)-1,3-dioxolan-4-yl]methyl methanesulfonate
    —— 2-(3-(3-(4-methoxyphenyl)pyrazin-2-yl)azetidin-1-yl)quinoline 1349865-65-1 C23H20N4O
    2-(3-(3-(4-methoxyphenyl)pyrazin-2-yl)azetidin-1-yl)quinoline
    —— 2-Bromo-1-(2-chloro-ethoxy)-hexane 84323-93-3 C8H16BrClO
    2-Bromo-1-(2-chloro-ethoxy)-hexane
    —— (2Z,8Z)-Tricyclo[8.3.2.24,7]heptadeca-1(13),2,4,6,8,10,14,16-octaene 58282-00-1 C17H14
    (2Z,8Z)-Tricyclo[8.3.2.24,7]heptadeca-1(13),2,4,6,8,10,14,16-octaene
    —— 2-[4-[4-(trifluoromethyl)phenoxy]phenoxy]propyl N-(4-chlorophenyl)carbamate 65054-48-0 C23H19ClF3NO4
    2-[4-[4-(trifluoromethyl)phenoxy]phenoxy]propyl N-(4-chlorophenyl)carbamate
    —— 2-(4-((1-(4-fluorophenyl)cyclohexyl)carbonyl)-1-piperazinyl)-N-(5-methyl-1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-4-amine 1221268-23-0 C27H31FN8O
    2-(4-((1-(4-fluorophenyl)cyclohexyl)carbonyl)-1-piperazinyl)-N-(5-methyl-1H-pyrazol-3-yl)pyrrolo[2,1-f][1,2,4]triazine-4-amine
    —— 2-[(1-Cyclobutyl-6-phenoxybenzimidazol-2-yl)methylamino]-2-methylpropanamide 1233229-12-3 C22H26N4O2
    2-[(1-Cyclobutyl-6-phenoxybenzimidazol-2-yl)methylamino]-2-methylpropanamide
    —— 2,2'-(1,3-phenylene)bis(5-methyl-3-(p-tolyl)-1H-inden-1-one) 1373370-12-7 C40H30O2
    2,2'-(1,3-phenylene)bis(5-methyl-3-(p-tolyl)-1H-inden-1-one)
    —— 2-O-[4'-(5''-methyl[1,2,4]oxadiazol-3''-yl)phenyl]-5-O-[4'''-(2''''-methylsulfonylphenyl)phenyl]-1,4:3,6-dianhydro-D-sorbitole 634610-96-1 C28H26N2O7S
    2-O-[4'-(5''-methyl[1,2,4]oxadiazol-3''-yl)phenyl]-5-O-[4'''-(2''''-methylsulfonylphenyl)phenyl]-1,4:3,6-dianhydro-D-sorbitole
    —— 2-methyl-3-phenyl-5,6-dihydro-1,4-dithiepin 247219-58-5 C12H14S2
    2-methyl-3-phenyl-5,6-dihydro-1,4-dithiepin
    —— (2-ethoxycarbonyl-4,5-dimethyl-pyrrol-3-ylmethyl)-malonic acid diethyl ester 25158-26-3 C17H25NO6
    (2-ethoxycarbonyl-4,5-dimethyl-pyrrol-3-ylmethyl)-malonic acid diethyl ester
    —— 2-amino-7-[2-[2-(2-(18F)fluoranylethoxy)-1,3-thiazol-4-yl]-4-fluorophenyl]-4-methyl-7,8-dihydro-6H-quinazolin-5-one 1075185-21-5 C20H18F2N4O2S
    2-amino-7-[2-[2-(2-(18F)fluoranylethoxy)-1,3-thiazol-4-yl]-4-fluorophenyl]-4-methyl-7,8-dihydro-6H-quinazolin-5-one
    —— 21-acetyloxy-16α-cyano-11β,17α-dihydroxy-3,20-dioxo-9α-fluoro-1,4-pregnadiene 191999-17-4 C24H28FNO6
    21-acetyloxy-16α-cyano-11β,17α-dihydroxy-3,20-dioxo-9α-fluoro-1,4-pregnadiene
    —— 2,4,6,2',6'-Pentanitro-bibenzyl 5180-51-8 C14H9N5O10
    2,4,6,2',6'-Pentanitro-bibenzyl
    —— 2-amino[1]benzofuro[3,2-c]pyridin-2-ium 4-methylbenzene sulfonate 1233589-98-4 C7H7O3S*C11H9N2O
    2-amino[1]benzofuro[3,2-c]pyridin-2-ium 4-methylbenzene sulfonate
    —— 2-[3-(1H-indol-7-yl)allyl]malonic acid diethyl ester 1314947-24-4 C18H21NO4
    2-[3-(1H-indol-7-yl)allyl]malonic acid diethyl ester
    —— 2,2,2,2-tetramethyl-2l7-propane compound with 4-(propa-1,2-dien-1-yl)hepta-1,2,5,6-tetraene (1:1) 125283-11-6 F6Sb*N9Te
    2,2,2,2-tetramethyl-2l7-propane compound with 4-(propa-1,2-dien-1-yl)hepta-1,2,5,6-tetraene (1:1)
    —— 2-Benzyl-4-isopropyl-5-methyl-2,4-dihydro-pyrazol-3-one 24664-15-1 C14H18N2O
    2-Benzyl-4-isopropyl-5-methyl-2,4-dihydro-pyrazol-3-one
    —— 2-[4-({[1-(4-chlorophenyl)cyclohexyl]methyl}carbamoyl)pyrazolo[1,5-a]pyridin-2-yl]-3-phenylpropanoic acid 1069070-45-6 C30H30ClN3O3
    2-[4-({[1-(4-chlorophenyl)cyclohexyl]methyl}carbamoyl)pyrazolo[1,5-a]pyridin-2-yl]-3-phenylpropanoic acid