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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Amino-2-desoxy-D-mannuronsaeure 27851-18-9 C6H11NO6
    2-Amino-2-desoxy-D-mannuronsaeure
    —— 2,2-Bis-(4-methoxy-benzyl)-5,5-dimethyl-cyclohexane-1,3-dione 64909-74-6 C24H28O4
    2,2-Bis-(4-methoxy-benzyl)-5,5-dimethyl-cyclohexane-1,3-dione
    —— 2-Chloro-3,5,7-trimethoxy-naphthochinon 65565-45-9 C13H11ClO5
    2-Chloro-3,5,7-trimethoxy-naphthochinon
    —— 2-[<i>N</i>-(2,2,2-trifluoro-ethyl)-anilino]-ethanol 324-46-9 C10H12F3NO
    2-[<i>N</i>-(2,2,2-trifluoro-ethyl)-anilino]-ethanol
    —— 2,4-Difluor-2,4-didesoxy-D-glucose 38711-44-3 C6H10F2O4
    2,4-Difluor-2,4-didesoxy-D-glucose
    —— 2-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)acetic acid 1282518-05-1 C19H21N5O3
    2-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)acetic acid
    —— 2-(3-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)azetidin-1-yl)-2-methylpropanamide 1282512-57-5 C23H29N7O2
    2-(3-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)azetidin-1-yl)-2-methylpropanamide
    —— 2,2-dimethyl-4-[N-(3-tosyloxypropyl)-N-(β-trimethylsilylethanesulfonyl)aminomethyl]-1,3-dioxolane 170788-64-4 C21H37NO7S2Si
    2,2-dimethyl-4-[N-(3-tosyloxypropyl)-N-(β-trimethylsilylethanesulfonyl)aminomethyl]-1,3-dioxolane
    —— 2,3,4,5-Tetrahydro-1H-benzo[g]indole 62953-18-8 C12H13N
    2,3,4,5-Tetrahydro-1H-benzo[g]indole
    —— 2-Bromo-1-(4-butoxy-3-nitro-phenyl)-ethanone 65447-48-5 C12H14BrNO4
    2-Bromo-1-(4-butoxy-3-nitro-phenyl)-ethanone
    —— 2-(2-Methyl-2,3-dihydro-1H-indol-3-ylmethyl)-pentanoic acid ethyl ester 64322-32-3 C17H25NO2
    2-(2-Methyl-2,3-dihydro-1H-indol-3-ylmethyl)-pentanoic acid ethyl ester
    —— 2-dicyanomethyl-5-methyl-indolizine-3-carboxylic acid ethyl ester 64995-32-0 C15H13N3O2
    2-dicyanomethyl-5-methyl-indolizine-3-carboxylic acid ethyl ester
    —— 2-(4-carbamoyl-phenyl)-5-carboxy-(3H)-pyrimidin-4-one 150594-32-4 C12H9N3O4
    2-(4-carbamoyl-phenyl)-5-carboxy-(3H)-pyrimidin-4-one
    —— 2-Cyano-4-(2-pyrimidinyl)imidazole 1238058-04-2 C8H5N5
    2-Cyano-4-(2-pyrimidinyl)imidazole
    —— (+/-)-2-methyl-6<i>t</i>-(2-methyl-propenyl)-4-oxo-cyclohex-2-ene-<i>r</i>-carboxylic acid 100257-03-2 C12H16O3
    (+/-)-2-methyl-6<i>t</i>-(2-methyl-propenyl)-4-oxo-cyclohex-2-ene-<i>r</i>-carboxylic acid
    —— 2-(4-Imidazolylmethyl)-4H-[1]benzopyrano[4,3-d]thiazole fumarate 159081-32-0 C4H4O4*C14H11N3OS
    2-(4-Imidazolylmethyl)-4H-[1]benzopyrano[4,3-d]thiazole fumarate
    —— 2,10-Bis(allyloxymethyl)-1,11-bis(tosyloxy)-3,6,9-trioxaundecane 271789-27-6 C30H42O11S2
    2,10-Bis(allyloxymethyl)-1,11-bis(tosyloxy)-3,6,9-trioxaundecane
    —— 2-(1H-Benzoimidazol-2-yl)-3-methyl-4-(p-tolyl-hydrazono)-4H-benzo[4,5]imidazo[1,2-a]pyridin-1-one 81607-98-9 C26H20N6O
    2-(1H-Benzoimidazol-2-yl)-3-methyl-4-(p-tolyl-hydrazono)-4H-benzo[4,5]imidazo[1,2-a]pyridin-1-one
    —— 2-(4-methoxycarbonylbenzyl)phenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside 433331-35-2 C29H32O12
    2-(4-methoxycarbonylbenzyl)phenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
    —— 2-O-acetyl-1,5-anhydro-3,4-dideoxy-6-O-[(1,1-dimethyl)ethyldimethyl]silyl-D-erythro-hexitol 216098-96-3 C14H28O4Si
    2-O-acetyl-1,5-anhydro-3,4-dideoxy-6-O-[(1,1-dimethyl)ethyldimethyl]silyl-D-erythro-hexitol
    —— (2-oxo-2-phenothiazin-10-yl-ethyl)-phosphonic acid dipropyl ester 17640-55-0 C20H24NO4PS
    (2-oxo-2-phenothiazin-10-yl-ethyl)-phosphonic acid dipropyl ester
    —— (2R,3R)-3-(4-(6-(2-morpholinoethylamino)benzothiazol-2-yl)piperazin-1-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol 1092847-87-4 C29H36F2N8O2S
    (2R,3R)-3-(4-(6-(2-morpholinoethylamino)benzothiazol-2-yl)piperazin-1-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
    —— 2-((dimethylamino)methyl)-13-methylchromeno[4,3,2-gh]phenanthridin-13-ium trifluoromethanesulfonate 1416856-10-4 CF3O3S*C23H21N2O
    2-((dimethylamino)methyl)-13-methylchromeno[4,3,2-gh]phenanthridin-13-ium trifluoromethanesulfonate
    —— (2R,4R)-N-(4-methoxybenzyl)-2,4-diphenyl-1,3-oxazolidine 215870-50-1 C23H23NO2
    (2R,4R)-N-(4-methoxybenzyl)-2,4-diphenyl-1,3-oxazolidine
    —— 20-Methyl-5,20-pregnadien-3β,16β-diol 58401-01-7 C22H34O2
    20-Methyl-5,20-pregnadien-3β,16β-diol
    —— 2-t-butyl-17-deoxyestrone 1417896-31-1 C22H32O
    2-t-butyl-17-deoxyestrone
    —— 2-((3aR,5S,6R,6aR)-6-Benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-thiazole-4-carboxylic acid methyl ester 85622-45-3 C19H21NO6S
    2-((3aR,5S,6R,6aR)-6-Benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-thiazole-4-carboxylic acid methyl ester
    —— (2S,4aR,8aS)-2-Bromomethyl-octahydro-chromene 85268-03-7 C10H17BrO
    (2S,4aR,8aS)-2-Bromomethyl-octahydro-chromene
    —— 2-formyl-3-methoxy-1,3,5-estratriene 214754-52-6 C20H26O2
    2-formyl-3-methoxy-1,3,5-estratriene
    —— 2-Trimethylsiloxy-4-trimethylsilyl-2-pentennitril 76837-27-9 C11H23NOSi2
    2-Trimethylsiloxy-4-trimethylsilyl-2-pentennitril
    —— 2-propyl 6-O-acetyl-3,4-anhydro-α-D-galactopyranoside 1057679-95-4 C11H18O6
    2-propyl 6-O-acetyl-3,4-anhydro-α-D-galactopyranoside
    —— 2,2-Dimethyl-propionic acid 2-(2,2-dimethyl-propionyloxy)-1,2-bis-(2,4,6-tri-tert-butyl-phenylphosphanylidene)-ethyl ester 109907-12-2 C48H76O4P2
    2,2-Dimethyl-propionic acid 2-(2,2-dimethyl-propionyloxy)-1,2-bis-(2,4,6-tri-tert-butyl-phenylphosphanylidene)-ethyl ester
    —— 2-[2-(3,6-Dihydro-4-phenyl-1-(2H)-pyridinyl)ethyl]-1H-benz[de]isoquinoline-1,3(2H)-dione, hydrochloride 59529-36-1 C25H22N2O2*ClH
    2-[2-(3,6-Dihydro-4-phenyl-1-(2H)-pyridinyl)ethyl]-1H-benz[de]isoquinoline-1,3(2H)-dione, hydrochloride
    —— 2-chloro-2-(trichlorogermyl)adamantane 123865-55-4 C10H14Cl4Ge
    2-chloro-2-(trichlorogermyl)adamantane
    —— 2,3-bis(2-cyanoethylthio)-6,7-bis(methylseleno)-1,4-dithia-5,8-diselenafulvalene 646055-41-6 C14H14N2S4Se4
    2,3-bis(2-cyanoethylthio)-6,7-bis(methylseleno)-1,4-dithia-5,8-diselenafulvalene
    —— 2-(2-hydroxy-[1]naphthylazo)-benzoic acid methyl ester 40950-41-2 C18H14N2O3
    2-(2-hydroxy-[1]naphthylazo)-benzoic acid methyl ester
    —— 2-(1-benzofuran-2-yl)-7,8-dimethyl-4(3H)-quinazolinone 952738-03-3 C18H14N2O2
    2-(1-benzofuran-2-yl)-7,8-dimethyl-4(3H)-quinazolinone
    —— (2E)-3-{4-[5-phenoxypent-1-en-1-yl] phenyl}prop-2-en-1-ol 712313-71-8 C20H22O2
    (2E)-3-{4-[5-phenoxypent-1-en-1-yl] phenyl}prop-2-en-1-ol
    —— 2,4-bis(2-chloroethyl)-6,7-bis<2-(methoxycarbonyl)ethyl>-1,3,5-trimethylporphyrin 121211-58-3 C35H38Cl2N4O4
    2,4-bis(2-chloroethyl)-6,7-bis<2-(methoxycarbonyl)ethyl>-1,3,5-trimethylporphyrin
    —— 2-((2-((tert-butoxycarbonyl)(3,5-dimethyladamantan-1-yl)amino)ethyl)thio)ethyl 4-methylbenzenesulfonate 1402934-09-1 C28H43NO5S2
    2-((2-((tert-butoxycarbonyl)(3,5-dimethyladamantan-1-yl)amino)ethyl)thio)ethyl 4-methylbenzenesulfonate
    —— 2-[3-(3-Methylsulfanyl-quinolin-4-ylsulfanyl)-quinolin-4-yl]-1-phenyl-ethanone 109179-11-5 C27H20N2OS2
    2-[3-(3-Methylsulfanyl-quinolin-4-ylsulfanyl)-quinolin-4-yl]-1-phenyl-ethanone
    —— 2-(4-chloro-6-(3,4,5-trimethoxyphenylamino)-1,3,5-triazin-2-ylamino)-N-(2-hydroxyethyl)benzamide 1448791-15-8 C21H23ClN6O5
    2-(4-chloro-6-(3,4,5-trimethoxyphenylamino)-1,3,5-triazin-2-ylamino)-N-(2-hydroxyethyl)benzamide
    —— 2,3,6,7,10-Pentakis(3,7-dimethyloctoxy)-11-[4-[3,6,7,10,11-pentakis(3,7-dimethyloctoxy)triphenylen-2-yl]buta-1,3-diynyl]triphenylene 1262723-25-0 C140H222O10
    2,3,6,7,10-Pentakis(3,7-dimethyloctoxy)-11-[4-[3,6,7,10,11-pentakis(3,7-dimethyloctoxy)triphenylen-2-yl]buta-1,3-diynyl]triphenylene
    —— 2-{[2-(1-benzylpiperidin-3-ylamino)-6-chloro-5-fluoropyridine-3-carbonyl]amino}-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid methyl ester 1420999-76-3 C27H29ClFN5O3S
    2-{[2-(1-benzylpiperidin-3-ylamino)-6-chloro-5-fluoropyridine-3-carbonyl]amino}-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid methyl ester
    —— [2-hydroxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(trityloxymethyl)oxan-2-yl]oxypropyl] octadecanoate 1408062-35-0 C52H72O12
    [2-hydroxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(trityloxymethyl)oxan-2-yl]oxypropyl] octadecanoate
    —— 2-[4-(4-chlorophenoxy)phenoxy]-N-methoxy-N-methylpropanamide 51337-86-1 C17H18ClNO4
    2-[4-(4-chlorophenoxy)phenoxy]-N-methoxy-N-methylpropanamide
    —— 2-(2-Chloro-phenyl)-2-[1-(4-fluoro-phenyl)-1H-[1,2,3]triazol-4-ylmethyl]-4-phenyl-2H-oxazol-5-one 122409-73-8 C24H16ClFN4O2
    2-(2-Chloro-phenyl)-2-[1-(4-fluoro-phenyl)-1H-[1,2,3]triazol-4-ylmethyl]-4-phenyl-2H-oxazol-5-one
    —— 2-[4-(3,6-di-tert-butylcarbazol-9-yl)phenyl]-1,3-diethyl-1,3,2-benzodiazaborole 1346677-95-9 C36H42BN3
    2-[4-(3,6-di-tert-butylcarbazol-9-yl)phenyl]-1,3-diethyl-1,3,2-benzodiazaborole
    —— 2-(3,4-Dimethoxy-phenylmethanesulfinyl)-3H-imidazo[4,5-b]pyridine 142590-47-4 C15H15N3O3S
    2-(3,4-Dimethoxy-phenylmethanesulfinyl)-3H-imidazo[4,5-b]pyridine
    —— 2-phenyl-4-pyrimidinecarboxylic acid chloride 179260-79-8 C11H7ClN2O
    2-phenyl-4-pyrimidinecarboxylic acid chloride