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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-p-Tolyl-4,6-dihydro-2H-thieno<3,4-c>pyrazol-3-ol 31657-23-5 C12H12N2OS
    2-p-Tolyl-4,6-dihydro-2H-thieno<3,4-c>pyrazol-3-ol
    —— 2-(3-Chloro-phenylamino)-benzoic acid [1-(4-bromo-phenyl)-meth-(E)-ylidene]-hydrazide 58153-62-1 C20H15BrClN3O
    2-(3-Chloro-phenylamino)-benzoic acid [1-(4-bromo-phenyl)-meth-(E)-ylidene]-hydrazide
    —— (2S,3S,4S,5R)-6-Hydroxy-3,4,5-tris-(2,2,2-trichloro-ethoxycarbonyloxy)-tetrahydro-pyran-2-carboxylic acid 2,2,2-trichloro-ethyl ester 34351-72-9 C17H14Cl12O13
    (2S,3S,4S,5R)-6-Hydroxy-3,4,5-tris-(2,2,2-trichloro-ethoxycarbonyloxy)-tetrahydro-pyran-2-carboxylic acid 2,2,2-trichloro-ethyl ester
    —— 2-[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-benzo[b]tellurophen-3-one 41599-23-9 C16H12O2Te
    2-[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-benzo[b]tellurophen-3-one
    —— 2-(2-Aminoisobutyl)-indolin 3548-31-0 C12H18N2
    2-(2-Aminoisobutyl)-indolin
    —— 2-Ethoxy-1-naphth-aldehyde semicarbazone 870540-40-2 C14H15N3O2
    2-Ethoxy-1-naphth-aldehyde semicarbazone
    —— 2-(2-hydroxyethoxy)thioxanthone 153855-72-2 C15H12O3S
    2-(2-hydroxyethoxy)thioxanthone
    —— 2-(4-amidinophenylaminomethyl)-1-methyl-5-[1-(N-methoxycarbonylmethyl-methylamino)-2-(pyrrolidinocarbonyl)-prop-2-yl]-benzimidazole-hydrochloride 253796-18-8 C28H37N7O3*ClH
    2-(4-amidinophenylaminomethyl)-1-methyl-5-[1-(N-methoxycarbonylmethyl-methylamino)-2-(pyrrolidinocarbonyl)-prop-2-yl]-benzimidazole-hydrochloride
    —— 2-Ureidosulfonyl-propionsaeure-amid 89123-35-3 C4H9N3O4S
    2-Ureidosulfonyl-propionsaeure-amid
    —— 2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3,4,7-tetrahydro-azepine-1-carboxylic acid tert-butyl ester 811439-59-5 C17H30BNO4
    2-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3,4,7-tetrahydro-azepine-1-carboxylic acid tert-butyl ester
    —— 2-Diaethylamino-N-(2'-naphthyl)-propionamid 52742-12-8 C17H22N2O
    2-Diaethylamino-N-(2'-naphthyl)-propionamid
    —— 2-Methoxy-4-methylmercapto-6-oxo-5-(p-tolyl)-5.6-dihydro-1.3.5-triazin 53015-11-5 C12H13N3O2S
    2-Methoxy-4-methylmercapto-6-oxo-5-(p-tolyl)-5.6-dihydro-1.3.5-triazin
    —— 2,2-dimethyl-6-(4-nitro-phenyl)-4-phenyl-1,3-diaza-bicyclo[3.1.0]hexan-3-ol 37488-73-6 C18H19N3O3
    2,2-dimethyl-6-(4-nitro-phenyl)-4-phenyl-1,3-diaza-bicyclo[3.1.0]hexan-3-ol
    —— 2,3-Dimethoxy-benzoic acid (2R,3R,4S,5R,6S)-4,5-diacetoxy-2-acetoxymethyl-6-((3S,4R,4aS)-4-ethyl-8-oxo-4,4a,5,6-tetrahydro-3H,8H-pyrano[3,4-c]pyran-3-yloxy)-tetrahydro-pyran-3-yl ester 53784-51-3 C31H38O15
    2,3-Dimethoxy-benzoic acid (2R,3R,4S,5R,6S)-4,5-diacetoxy-2-acetoxymethyl-6-((3S,4R,4aS)-4-ethyl-8-oxo-4,4a,5,6-tetrahydro-3H,8H-pyrano[3,4-c]pyran-3-yloxy)-tetrahydro-pyran-3-yl ester
    —— (2R,3S)-2-Mercapto-3-methyl-pentanoic acid methyl ester 115526-81-3 C7H14O2S
    (2R,3S)-2-Mercapto-3-methyl-pentanoic acid methyl ester
    —— 2-amino-1,9-bis(N,N-dimethylcarbamoyl)-4,6-dimethyl-7-hydroxy-3H-phenoxazin-3-one 114635-24-4 C20H22N4O5
    2-amino-1,9-bis(N,N-dimethylcarbamoyl)-4,6-dimethyl-7-hydroxy-3H-phenoxazin-3-one
    —— <2,3-d>-Pyrazolodiosgenin 60185-58-2 C28H40N2O2
    <2,3-d>-Pyrazolodiosgenin
    —— (2R,3S,7S)-2-benzyl-7-((E)-prop-1-en-1-yl)oxepan-3-ol 1449224-51-4 C16H22O2
    (2R,3S,7S)-2-benzyl-7-((E)-prop-1-en-1-yl)oxepan-3-ol
    —— (2S,6R,10R,13S,14R)-13-benzyloxy-1,16-bis-(tert-butyldimethylsilyloxy)-2,6,10,14-tetramethylhexadecan-6-ol 1358982-47-4 C39H76O4Si2
    (2S,6R,10R,13S,14R)-13-benzyloxy-1,16-bis-(tert-butyldimethylsilyloxy)-2,6,10,14-tetramethylhexadecan-6-ol
    —— (2R,3R,8R)-8-(5-hydroxy-3-methyl-1,3-pentadienyl)-2,3,7,9,9-pentamethyl-1,4-dioxaspiro[4.5]dec-6-en-8-ol 919782-20-0 C19H30O4
    (2R,3R,8R)-8-(5-hydroxy-3-methyl-1,3-pentadienyl)-2,3,7,9,9-pentamethyl-1,4-dioxaspiro[4.5]dec-6-en-8-ol
    —— 2-Butenedioic acid, 2-tetradecyl-3-[[2-(trimethylsilyl)ethoxy]methyl]-,dimethyl ester, (2Z)- 828930-65-0 C26H50O5Si
    2-Butenedioic acid, 2-tetradecyl-3-[[2-(trimethylsilyl)ethoxy]methyl]-,dimethyl ester, (2Z)-
    —— [2-Chloro-1-(1-chloro-cyclopentyl)-ethylsulfanyl]-benzene 127869-29-8 C13H16Cl2S
    [2-Chloro-1-(1-chloro-cyclopentyl)-ethylsulfanyl]-benzene
    —— {(2S,3R)-3-[(1R,2S,3R)-4-(tert-Butyl-dimethyl-silanyloxy)-2-methoxymethoxy-1,3-dimethyl-butyl]-oxiranyl}-methanol 236390-92-4 C17H36O5Si
    {(2S,3R)-3-[(1R,2S,3R)-4-(tert-Butyl-dimethyl-silanyloxy)-2-methoxymethoxy-1,3-dimethyl-butyl]-oxiranyl}-methanol
    —— 2-(2,5-Dichloro-phenyl)-2H-naphtho[1,2-d][1,2,3]triazole-4,5-dione 4-oxime 122510-90-1 C16H8Cl2N4O2
    2-(2,5-Dichloro-phenyl)-2H-naphtho[1,2-d][1,2,3]triazole-4,5-dione 4-oxime
    —— (2R,3S,4S,5S,6S)-2-((2S,3S,4R,5S,6R)-4,5-Dihydroxy-2-iodomethyl-6-phenoxy-tetrahydro-pyran-3-yloxy)-6-iodomethyl-tetrahydro-pyran-3,4,5-triol 71238-78-3 C18H24I2O9
    (2R,3S,4S,5S,6S)-2-((2S,3S,4R,5S,6R)-4,5-Dihydroxy-2-iodomethyl-6-phenoxy-tetrahydro-pyran-3-yloxy)-6-iodomethyl-tetrahydro-pyran-3,4,5-triol
    —— 2-(4-Amino-3-carbamoyl-9,10-dioxo-9,10-dihydro-anthracen-1-ylamino)-benzoic acid 43099-34-9 C22H15N3O5
    2-(4-Amino-3-carbamoyl-9,10-dioxo-9,10-dihydro-anthracen-1-ylamino)-benzoic acid
    —— 2-(3,3-Dipropyl-2-keto-azetidin-1-yl)-3-phenylpropionsaeure 49683-63-8 C18H25NO3
    2-(3,3-Dipropyl-2-keto-azetidin-1-yl)-3-phenylpropionsaeure
    —— 2-Nitroso-2-phenyl-1-pyridin-2-yl-ethanone oxime 42899-38-7 C13H11N3O2
    2-Nitroso-2-phenyl-1-pyridin-2-yl-ethanone oxime
    —— 2(2-p-Chlorphenyl-2-oxoethyliden)-4-vinyl-1,3-dithiolan 50639-56-0 C13H11ClOS2
    2(2-p-Chlorphenyl-2-oxoethyliden)-4-vinyl-1,3-dithiolan
    —— 2,3-Dimethoxy-9-methyl-5,6,8,9,10,14c-hexahydro-indolo<2,3-h>benzo<a>chinolizin 39926-30-2 C22H24N2O2
    2,3-Dimethoxy-9-methyl-5,6,8,9,10,14c-hexahydro-indolo<2,3-h>benzo<a>chinolizin
    —— 2-[2-(4-Chloro-phenoxy)-2-methyl-propionyloxy]-benzoic acid biphenyl-4-yl ester 52160-95-9 C29H23ClO5
    2-[2-(4-Chloro-phenoxy)-2-methyl-propionyloxy]-benzoic acid biphenyl-4-yl ester
    —— 2-Oxo-pyrrolidine-1-carbothioic acid isopropyl-phenyl-amide 40819-20-3 C14H18N2OS
    2-Oxo-pyrrolidine-1-carbothioic acid isopropyl-phenyl-amide
    —— (2E,4E,7S,8R,9S,10R,11S)-12-(tert-butyldimethylsilyloxy)-8-hydroxy-10-methoxy-1-(4-methoxybenzyloxy)-3,5,7,9,11-pentamethyldodeca-2,4-dien-6-one 1187629-77-1 C32H54O6Si
    (2E,4E,7S,8R,9S,10R,11S)-12-(tert-butyldimethylsilyloxy)-8-hydroxy-10-methoxy-1-(4-methoxybenzyloxy)-3,5,7,9,11-pentamethyldodeca-2,4-dien-6-one
    —— 2α,4α-dihydroxy-5-(3'ε-hydroxy-3'ε-methyl-1'-trans-octenyl)cyclopentane-1α-propionaldehyde δ-lactol methyl ether 72726-73-9 C18H32O4
    2α,4α-dihydroxy-5-(3'ε-hydroxy-3'ε-methyl-1'-trans-octenyl)cyclopentane-1α-propionaldehyde δ-lactol methyl ether
    —— 2,9-diferrocenylcycloocta[2,1-b:3,4-b’]dithiophene 1544537-99-6 C32H28Fe2S2
    2,9-diferrocenylcycloocta[2,1-b:3,4-b’]dithiophene
    —— 2-((4-chlorophenyl)(phenyl)methylene)cyclobutyl acetate 1219040-69-3 C19H17ClO2
    2-((4-chlorophenyl)(phenyl)methylene)cyclobutyl acetate
    —— 2-(4-azidophenyl)-N-(2-iodo-4-methylphenyl)-N-methoxymethylacetamide 1255742-20-1 C17H17IN4O2
    2-(4-azidophenyl)-N-(2-iodo-4-methylphenyl)-N-methoxymethylacetamide
    —— 2-methyl-4,4-bis-methylsulfanyl-but-1-ene 52094-79-8 C7H14S2
    2-methyl-4,4-bis-methylsulfanyl-but-1-ene
    —— 2-amino-6-(cyclopropylamino)-9-{(2S,3S)-3-hydroxy-1,4-bis[(diisopropoxyphosphoryl)methoxy]butan-2-yl}purine 959966-77-9 C26H48N6O9P2
    2-amino-6-(cyclopropylamino)-9-{(2S,3S)-3-hydroxy-1,4-bis[(diisopropoxyphosphoryl)methoxy]butan-2-yl}purine
    —— 2-Nonyl-cyclohexandion-(1,3) 92790-95-9 C15H26O2
    2-Nonyl-cyclohexandion-(1,3)
    —— (2S,3S)-2-(3-phenylpropyl)piperidin-3-ol 1242338-23-3 C14H21NO
    (2S,3S)-2-(3-phenylpropyl)piperidin-3-ol
    —— (2S,3S,4S,6S)-7-(tert-butyldiphenylsilyloxy)-1-(4-methoxybenzyloxy)-2,6-dimethylheptane-3,4-diol 1046471-44-6 C33H46O5Si
    (2S,3S,4S,6S)-7-(tert-butyldiphenylsilyloxy)-1-(4-methoxybenzyloxy)-2,6-dimethylheptane-3,4-diol
    —— 2-methoxybicyclo-<4.4.0>-deca-4,10-dione spiro-7,2'-(1',3'-dithiane) 125016-68-4 C14H20O3S2
    2-methoxybicyclo-<4.4.0>-deca-4,10-dione spiro-7,2'-(1',3'-dithiane)
    —— (2R,3R,4R)-3-(hydroxymethyl)-2-methoxy-2-oxo-1,2-oxaphospholane-3,4-diol triacetate 135738-32-8 C11H17O9P
    (2R,3R,4R)-3-(hydroxymethyl)-2-methoxy-2-oxo-1,2-oxaphospholane-3,4-diol triacetate
    —— (2E,4E,6E,9S)-9-Hydroxy-11-iodo-2,4,6,10-undecatetraene acid 374729-53-0 C11H13IO3
    (2E,4E,6E,9S)-9-Hydroxy-11-iodo-2,4,6,10-undecatetraene acid
    —— 2-deoxy-2-<(R)-3-dodecanoyloxytetradecanamido>-3-O-<(R)-3-dodecanoyloxytetradecanoyl>-4-O-phosphono-D-glucopyranose 99714-26-8 C58H110NO14P
    2-deoxy-2-<(R)-3-dodecanoyloxytetradecanamido>-3-O-<(R)-3-dodecanoyloxytetradecanoyl>-4-O-phosphono-D-glucopyranose
    —— (2R,3R)-2-[(S)-(4-benzyloxy-3-methoxyphenyl)(triisopropylsilyloxy)methyl]-3-[(R)-(4-benzyloxy-3-methoxyphenyl)(triisopropylsilyloxy)methyl]-1,4-butannediol 868127-92-8 C52H78O8Si2
    (2R,3R)-2-[(S)-(4-benzyloxy-3-methoxyphenyl)(triisopropylsilyloxy)methyl]-3-[(R)-(4-benzyloxy-3-methoxyphenyl)(triisopropylsilyloxy)methyl]-1,4-butannediol
    —— 2-Chloro-N-[2-(2,5-dimethoxy-phenyl)-2-hydroxy-ethyl]-N-methyl-acetamide 83436-66-2 C13H18ClNO4
    2-Chloro-N-[2-(2,5-dimethoxy-phenyl)-2-hydroxy-ethyl]-N-methyl-acetamide
    —— 2-(tert-Butyl-diphenyl-silanyloxymethyl)-thiazole-4-carboxylic acid 864523-56-8 C21H23NO3SSi
    2-(tert-Butyl-diphenyl-silanyloxymethyl)-thiazole-4-carboxylic acid
    —— 2,3,5-Triphenylcyclopenta-2,4-dienon-phenylhydrazon 102344-87-6 C29H22N2
    2,3,5-Triphenylcyclopenta-2,4-dienon-phenylhydrazon