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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,3-Dihydro(8H)-5,6-pyridazino<4,5-d>-1,3-oxazine-4-one 117398-11-5 C6H7N3O2
    2,3-Dihydro(8H)-5,6-pyridazino<4,5-d>-1,3-oxazine-4-one
    —— 2,3,4-tri-O-acetyl-5-bromo-5-deoxy-N-butyl-D-ribonamide 1190205-38-9 C15H24BrNO7
    2,3,4-tri-O-acetyl-5-bromo-5-deoxy-N-butyl-D-ribonamide
    —— 2-benzoyl-3-tert-butyl 3-(o-chlorobenzoyl)carbazonitrile 124705-85-7 C19H18ClN3O2
    2-benzoyl-3-tert-butyl 3-(o-chlorobenzoyl)carbazonitrile
    —— 2,2-dimethyl-N-[2-methyl-5-[6-[4-(trifluoromethyl)-3-pyridyl]imidazo[2,1-f]pyridazin-2-yl]phenyl]propanamide 1383618-56-1 C24H22F3N5O
    2,2-dimethyl-N-[2-methyl-5-[6-[4-(trifluoromethyl)-3-pyridyl]imidazo[2,1-f]pyridazin-2-yl]phenyl]propanamide
    —— 2-[1,3-dimethyl-2-indolylmethylene]-3-isopropylidene-N-[3-(4-methacryloyloxymethyl-1H-[1,2,3]triazole-4-yl)propyl] succinimide 1270186-84-9 C28H31N5O4
    2-[1,3-dimethyl-2-indolylmethylene]-3-isopropylidene-N-[3-(4-methacryloyloxymethyl-1H-[1,2,3]triazole-4-yl)propyl] succinimide
    —— 2-cyano-3-[4-(dimethylamino)phenyl]-N-propan-2-ylpropanamide 146495-17-2 C15H21N3O
    2-cyano-3-[4-(dimethylamino)phenyl]-N-propan-2-ylpropanamide
    —— (2Z,4Z)-Octa-2,4-dienoic acid methoxy-methyl-amide 326797-44-8 C10H17NO2
    (2Z,4Z)-Octa-2,4-dienoic acid methoxy-methyl-amide
    —— 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzoyl-α-L-fucopyranosyl trichloroacetimidate 1245641-31-9 C36H38Cl3NO16
    2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-2,3-di-O-benzoyl-α-L-fucopyranosyl trichloroacetimidate
    —— 2-dipropoxyphosphinothioylsulfanyl-N-[1-(2-dipropoxyphosphinothioylsulfanylacetyl)-2,3,4,5-tetrahydroazepin-7-yl]-N-phenylacetamide 122600-23-1 C28H46N2O6P2S4
    2-dipropoxyphosphinothioylsulfanyl-N-[1-(2-dipropoxyphosphinothioylsulfanylacetyl)-2,3,4,5-tetrahydroazepin-7-yl]-N-phenylacetamide
    —— 2-(4-hydroxyphenyl)-3-[3-(2-oxo-2H-chromen-3-yl)-5-thioxo-1,5-dihydro-4H-1,2,4-triazol-4-yl]-1,3-thiazolidin-4-one 1110637-08-5 C20H14N4O4S2
    2-(4-hydroxyphenyl)-3-[3-(2-oxo-2H-chromen-3-yl)-5-thioxo-1,5-dihydro-4H-1,2,4-triazol-4-yl]-1,3-thiazolidin-4-one
    —— (2R,3S)-8-carboxylic acid 5,6,7,3',4'-pentahydroxyflavan-3-ol 917567-25-0 C16H14O9
    (2R,3S)-8-carboxylic acid 5,6,7,3',4'-pentahydroxyflavan-3-ol
    —— (2E)-3-(p-anisylamino)-1-(1-hydroxy-2-naphthyl)prop-2-en-1-one 1169498-24-1 C20H17NO3
    (2E)-3-(p-anisylamino)-1-(1-hydroxy-2-naphthyl)prop-2-en-1-one
    —— 2-ethyl-4-(dimethylphenylsilyl)-3,5-diphenyl-4-isoxazoline 1180734-77-3 C25H27NOSi
    2-ethyl-4-(dimethylphenylsilyl)-3,5-diphenyl-4-isoxazoline
    —— 2-(2-Furylthiocarbonylamino)-benzimidazol 55842-68-7 C12H9N3OS
    2-(2-Furylthiocarbonylamino)-benzimidazol
    —— 2-oxo-benzooxazole-3-carboxylic acid 1,2,2,2-tetrachloro-ethylamide 68550-13-0 C10H6Cl4N2O3
    2-oxo-benzooxazole-3-carboxylic acid 1,2,2,2-tetrachloro-ethylamide
    —— 2-(2,4-dichloro-phenylamino)-4-trifluoromethyl-pyrimidine-5-carboxylic acid cyclopentylamide 666262-69-7 C17H15Cl2F3N4O
    2-(2,4-dichloro-phenylamino)-4-trifluoromethyl-pyrimidine-5-carboxylic acid cyclopentylamide
    —— 2-((1S,2S,4R)-bicyclo[2.2.1]heptan-2-ylamino)-5-(((1-furan-2-carbonyl)piperidin-4-yl)methyl)-5-methylthiazol-4(5H)-one 870712-09-7 C22H29N3O3S
    2-((1S,2S,4R)-bicyclo[2.2.1]heptan-2-ylamino)-5-(((1-furan-2-carbonyl)piperidin-4-yl)methyl)-5-methylthiazol-4(5H)-one
    —— 2-(cyclooctylamino)-7-(methyloxy)-1-thia-3-azaspiro[4.5]dec-2-en-4-one 870711-59-4 C17H28N2O2S
    2-(cyclooctylamino)-7-(methyloxy)-1-thia-3-azaspiro[4.5]dec-2-en-4-one
    —— (2R,6S)-2,4,4,6-Tetramethyl-morpholin-4-ium; hydroxide 69013-81-6 C8H18NO*HO
    (2R,6S)-2,4,4,6-Tetramethyl-morpholin-4-ium; hydroxide
    —— 2-Butyl-1,3-di-tert-butyl-4,4-dimethyl-2-vinyl-[1,3,2,4]diazadisiletidine 62371-66-8 C16H36N2Si2
    2-Butyl-1,3-di-tert-butyl-4,4-dimethyl-2-vinyl-[1,3,2,4]diazadisiletidine
    —— 2,4-Dioxo-4-phenyl-butyric acid prop-2-ynyl ester 64663-48-5 C13H10O4
    2,4-Dioxo-4-phenyl-butyric acid prop-2-ynyl ester
    —— 2,2’’-bis(ferrocenylethynyl)-5,2’:5’,5’’-terthiophene 261622-46-2 C36H24Fe2S3
    2,2’’-bis(ferrocenylethynyl)-5,2’:5’,5’’-terthiophene
    —— 2-(10-bromoanthracen-9-yl)-1,3,2-dioxaborolane 1220453-45-1 C16H12BBrO2
    2-(10-bromoanthracen-9-yl)-1,3,2-dioxaborolane
    —— 2-(2,4-Dichloro-phenoxy)-N-phenyl-N-propionyloxy-acetamide 28277-24-9 C17H15Cl2NO4
    2-(2,4-Dichloro-phenoxy)-N-phenyl-N-propionyloxy-acetamide
    —— (2E)-N,N-diethyl-3-[(2R)-1-tosylaziridin-2-yl]acrylamide 851487-13-3 C16H22N2O3S
    (2E)-N,N-diethyl-3-[(2R)-1-tosylaziridin-2-yl]acrylamide
    —— 2-[4-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethyleneamino)-piperazin-1-yl]-ethanol 13489-37-7 C11H18N6O3
    2-[4-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethyleneamino)-piperazin-1-yl]-ethanol
    —— 2-(2-methanesulfinyl-1-methyl-2-methylsulfanyl-propyl)-heptanal 67148-29-2 C13H26O2S2
    2-(2-methanesulfinyl-1-methyl-2-methylsulfanyl-propyl)-heptanal
    —— 2-β-<i>D</i>-ribofuranosyl-2<i>H</i>-[1,2,4]triazolo[4,3-<i>a</i>]pyridin-3-one 64125-44-6 C11H13N3O5
    2-β-<i>D</i>-ribofuranosyl-2<i>H</i>-[1,2,4]triazolo[4,3-<i>a</i>]pyridin-3-one
    —— 2<i>r</i>-(3-[1,3]dioxolan-2-yl-propyl)-4<i>c</i>-methyl-6<i>c</i>-(2-methyl-[1,3]dioxolan-2-ylmethyl)-piperidine 59635-19-7 C17H31NO4
    2<i>r</i>-(3-[1,3]dioxolan-2-yl-propyl)-4<i>c</i>-methyl-6<i>c</i>-(2-methyl-[1,3]dioxolan-2-ylmethyl)-piperidine
    —— (2R,3S,5R)-5-{(1S,2S)-2-amino-3-[3-(3-methylbutyl)-5-fluorophenyl]-1-hydroxypropyl}-2-(2,2-di-(fluoromethyl)-propoxy)-3-methylmorpholine 883444-53-9 C24H39F3N2O3
    (2R,3S,5R)-5-{(1S,2S)-2-amino-3-[3-(3-methylbutyl)-5-fluorophenyl]-1-hydroxypropyl}-2-(2,2-di-(fluoromethyl)-propoxy)-3-methylmorpholine
    —— 2-[3-(1,3-dioxolan-2-yl)propyl]-5-(2-methoxyethoxy)phenol 926295-64-9 C15H22O5
    2-[3-(1,3-dioxolan-2-yl)propyl]-5-(2-methoxyethoxy)phenol
    —— (2R,5R)-5-[(1S,2S)-2-amino-3-(3-fluoro-5-hydroxy-phenyl)-1-hydroxy-propyl]-2-(2-fluoro-1-fluoromethyl-1-methyl-ethoxy)-morpholine-4-carboxylic acid tert-butyl ester 883444-44-8 C22H33F3N2O6
    (2R,5R)-5-[(1S,2S)-2-amino-3-(3-fluoro-5-hydroxy-phenyl)-1-hydroxy-propyl]-2-(2-fluoro-1-fluoromethyl-1-methyl-ethoxy)-morpholine-4-carboxylic acid tert-butyl ester
    —— 2-Hydroxy-5-(pentadec-2-yl)benzoic acid 1215220-55-5 C22H36O3
    2-Hydroxy-5-(pentadec-2-yl)benzoic acid
    —— (2R,5R)-5-[(1S,2S)-2-Acetylamino-3-(3-chloro-5-fluorophenyl)-1-hydroxypropyl]-2-(2,2-dimethylpropoxy)-morpholine-4-carboxylic acid tert-butyl ester 883441-19-8 C25H38ClFN2O6
    (2R,5R)-5-[(1S,2S)-2-Acetylamino-3-(3-chloro-5-fluorophenyl)-1-hydroxypropyl]-2-(2,2-dimethylpropoxy)-morpholine-4-carboxylic acid tert-butyl ester
    —— (2R,3S,5R)-5-[(1S,2S)-1-hydroxy-2-acetylamino-3-(3-propoxy-5-fluorophenyl)-propyl]-2-(3-fluoro-2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester 883447-52-7 C29H46F2N2O7
    (2R,3S,5R)-5-[(1S,2S)-1-hydroxy-2-acetylamino-3-(3-propoxy-5-fluorophenyl)-propyl]-2-(3-fluoro-2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester
    —— 2-(2-methyl-pyridin-3-yloxy)-nicotinonitrile 870062-63-8 C12H9N3O
    2-(2-methyl-pyridin-3-yloxy)-nicotinonitrile
    —— 2-methyl-2-p-tolyl-cyclobutane-1,3-dione 1019645-24-9 C12H12O2
    2-methyl-2-p-tolyl-cyclobutane-1,3-dione
    —— 2-(ethyl-methyl-amino)-6-methyl-isonicotinonitrile 1062669-20-8 C10H13N3
    2-(ethyl-methyl-amino)-6-methyl-isonicotinonitrile
    —— (2-{-4-[5-(2-diethylamino-6-methyl-pyridin-4-yl)-[1,2,4]oxadiazol-3-yl]-phenyl}-ethylamino)-acetic acid ethyl ester 1062673-90-8 C24H31N5O3
    (2-{-4-[5-(2-diethylamino-6-methyl-pyridin-4-yl)-[1,2,4]oxadiazol-3-yl]-phenyl}-ethylamino)-acetic acid ethyl ester
    —— 2,2'-spirobi[3,1,2-benzoxathiagermine]-4,4'-dione 139415-82-0 C14H8GeO4S2
    2,2'-spirobi[3,1,2-benzoxathiagermine]-4,4'-dione
    —— 2-(2,4-Dimethylphenoxy)acetamide 35368-59-3 C10H13NO2
    2-(2,4-Dimethylphenoxy)acetamide
    —— 2'-bromo-[1,1'-biphenyl]-2,6-diol 787618-25-1 C12H9BrO2
    2'-bromo-[1,1'-biphenyl]-2,6-diol
    —— 2-<1βH,6βH-8α-(4-Methylpent-3-enyl)-7,9-dioxabicyclo<4.3.0>nonan-8β-yl>ethanol 126890-29-7 C15H26O3
    2-<1βH,6βH-8α-(4-Methylpent-3-enyl)-7,9-dioxabicyclo<4.3.0>nonan-8β-yl>ethanol
    —— 2-[4-(4-nitro-benzenesulfonyl)-anilino]-butyric acid ethyl ester 855620-53-0 C18H20N2O6S
    2-[4-(4-nitro-benzenesulfonyl)-anilino]-butyric acid ethyl ester
    —— 2-dibutylphosphinyl-2-(p-fluorophenyl)ethene 1307285-77-3 C16H24FOP
    2-dibutylphosphinyl-2-(p-fluorophenyl)ethene
    —— 2-(cinnamyloxy)-3-iodotetrahydro-2H-pyran 1350926-99-6 C14H17IO2
    2-(cinnamyloxy)-3-iodotetrahydro-2H-pyran
    —— 2-(4-(2-chlorophenyl)-4H-1,2,4-triazol-3-yl)-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxamide 1189812-31-4 C22H17ClN4O2S
    2-(4-(2-chlorophenyl)-4H-1,2,4-triazol-3-yl)-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-8-carboxamide
    —— 2-benzyl-1-((4-nitrophenyl)sulfonyl)pyrrolidine 1011246-89-1 C17H18N2O4S
    2-benzyl-1-((4-nitrophenyl)sulfonyl)pyrrolidine
    —— 2-(4-(6-bromo-7-(4-(pyridin-3-ylmethyl)piperazin-1-yl)-3H-imidazo[4,5-b]pyridin-2-yl)phenoxy)-N,N-dimethylethanamine 942949-71-5 C26H30BrN7O
    2-(4-(6-bromo-7-(4-(pyridin-3-ylmethyl)piperazin-1-yl)-3H-imidazo[4,5-b]pyridin-2-yl)phenoxy)-N,N-dimethylethanamine
    —— 2-(4-chloro-phenyl)-1-(3'-fluoro-biphenyl-4-yl)-7-phenyl-1,7-dihydro-purin-6-one 885618-88-2 C29H18ClFN4O
    2-(4-chloro-phenyl)-1-(3'-fluoro-biphenyl-4-yl)-7-phenyl-1,7-dihydro-purin-6-one