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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methoxy-7,7-(ethylendioxy)-5,6,7,8-tetrahydro-9,10-anthracenedione 73453-66-4 C17H16O5
    2-Methoxy-7,7-(ethylendioxy)-5,6,7,8-tetrahydro-9,10-anthracenedione
    —— 2-p-Tolylsulfonyloxyethyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside 350793-49-6 C23H30O13S
    2-p-Tolylsulfonyloxyethyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
    —— 2-(2,3-dichloro-<i>trans</i>-styryl)-1-methyl-pyridinium; iodide 109966-39-4 C14H12Cl2N*I
    2-(2,3-dichloro-<i>trans</i>-styryl)-1-methyl-pyridinium; iodide
    —— 2-chloro-4-({5-[(1R)-1-methyl-2-morpholin-4-yl-2-oxoethoxy]quinazolin-4-yl}amino)phenol 940009-00-7 C21H21ClN4O4
    2-chloro-4-({5-[(1R)-1-methyl-2-morpholin-4-yl-2-oxoethoxy]quinazolin-4-yl}amino)phenol
    —— 2-Cyclohexylsulfanyl-5-nitro-thiophene 190966-86-0 C10H13NO2S2
    2-Cyclohexylsulfanyl-5-nitro-thiophene
    —— (2'Z)-1-(3,7-dimethylocta-2,6-dienyl)-6-methyl-2,3,4,5-tetramethoxybenzene 95778-32-8 C21H32O4
    (2'Z)-1-(3,7-dimethylocta-2,6-dienyl)-6-methyl-2,3,4,5-tetramethoxybenzene
    —— 2-(4-iodobenzyl)-5-chloro-6-phenylpyridazin-3(2H)-one 1206156-62-8 C17H12ClIN2O
    2-(4-iodobenzyl)-5-chloro-6-phenylpyridazin-3(2H)-one
    —— (2S,4S)-4-Formyloxy-pyrrolidine-1,2-dicarboxylic acid 2-(4-methoxy-benzyl) ester 1-(4-nitro-benzyl) ester 130625-68-2 C22H22N2O9
    (2S,4S)-4-Formyloxy-pyrrolidine-1,2-dicarboxylic acid 2-(4-methoxy-benzyl) ester 1-(4-nitro-benzyl) ester
    —— 2-chloro-3-diethylamino-4,4-dimethoxy-5-(2-methylfuran-3-yl)cyclopent-2-en-1-one 1108106-87-1 C16H22ClNO4
    2-chloro-3-diethylamino-4,4-dimethoxy-5-(2-methylfuran-3-yl)cyclopent-2-en-1-one
    —— 2-(1-(4-chlorobenzyl)-6-fluoro-5-methoxy-2-methyl-1H-indol-3-yl)-N-(2-methoxypyridin-4-yl)-2-oxoacetamide 1383924-09-1 C25H21ClFN3O4
    2-(1-(4-chlorobenzyl)-6-fluoro-5-methoxy-2-methyl-1H-indol-3-yl)-N-(2-methoxypyridin-4-yl)-2-oxoacetamide
    —— 2,5-Disulphobenzaldehyde 51818-11-2 C7H6O7S2
    2,5-Disulphobenzaldehyde
    —— 2,2-dichloro-3-(3-nitro-phenyl)-3-hydroxy-propiolactone 65086-01-3 C9H5Cl2NO4
    2,2-dichloro-3-(3-nitro-phenyl)-3-hydroxy-propiolactone
    —— 2-{5-methyl-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-pyrimidin-4-yl}-benzo[b]thiophen-4-ol 946519-32-0 C21H27N5OS
    2-{5-methyl-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-pyrimidin-4-yl}-benzo[b]thiophen-4-ol
    —— 2-[3,5-dimethyl-1-(2-methylpropyl)-1H-pyrazol-4-yl]acetic acid 957023-29-9 C11H18N2O2
    2-[3,5-dimethyl-1-(2-methylpropyl)-1H-pyrazol-4-yl]acetic acid
    —— (2Z,5Z)-N-[5-({2-[(3-methoxy-2-methylphenyl)azamethylene]-4-oxo-1,3-thiazolidin-5-ylidene}methyl)-1,3-thiazol-2-yl]acetamide 1253209-56-1 C17H16N4O3S2
    (2Z,5Z)-N-[5-({2-[(3-methoxy-2-methylphenyl)azamethylene]-4-oxo-1,3-thiazolidin-5-ylidene}methyl)-1,3-thiazol-2-yl]acetamide
    —— (2,5-bis((4-(tert-butyl)phenyl)ethynyl)-1,4-phenylene)bis(phenylphosphine oxide) 1034024-34-4 C42H40O2P2
    (2,5-bis((4-(tert-butyl)phenyl)ethynyl)-1,4-phenylene)bis(phenylphosphine oxide)
    —— [2-[3-(Methoxyamino)-3-oxopropyl]-4-phenylmethoxyphenyl] acetate 1014692-27-3 C19H21NO5
    [2-[3-(Methoxyamino)-3-oxopropyl]-4-phenylmethoxyphenyl] acetate
    —— 2-Acetyl-2-(4-fluorbenzoyloxy)-propionsaeureamid) 18354-46-6 C12H12FNO4
    2-Acetyl-2-(4-fluorbenzoyloxy)-propionsaeureamid)
    —— 2,6-Dihydroxy-2-(4-cyanophenyl)-6-(3,5-dimethoxyphenyl)-3,5-bis(4-methylphenyl)-2,3,5,6-tetrahydrobenzo<1,2-b:5,4-b'>difuran 163771-04-8 C39H33NO6
    2,6-Dihydroxy-2-(4-cyanophenyl)-6-(3,5-dimethoxyphenyl)-3,5-bis(4-methylphenyl)-2,3,5,6-tetrahydrobenzo<1,2-b:5,4-b'>difuran
    —— 2-Cyano-N-[5-(2-cyano-acetylamino)-2-nitro-phenyl]-acetamide 43054-29-1 C12H9N5O4
    2-Cyano-N-[5-(2-cyano-acetylamino)-2-nitro-phenyl]-acetamide
    —— 2-Chloro-6-diethylamino-4-methyl-nicotinonitrile 51563-04-3 C11H14ClN3
    2-Chloro-6-diethylamino-4-methyl-nicotinonitrile
    —— 2-{4-[2-(4'-chloro-biphenyl-4-yl)-vinyl]-phenyl}-6-methoxy-benzooxazole 33537-72-3 C28H20ClNO2
    2-{4-[2-(4'-chloro-biphenyl-4-yl)-vinyl]-phenyl}-6-methoxy-benzooxazole
    —— 2,2,3,3-Tetramethyl-cyclopropanecarboxylic acid (Z)-3-chloro-4-m-tolyl-but-2-enyl ester 28536-43-8 C19H25ClO2
    2,2,3,3-Tetramethyl-cyclopropanecarboxylic acid (Z)-3-chloro-4-m-tolyl-but-2-enyl ester
    —— 2-Chlor-4-hydroxy-3-<3-oxo-androst-4-en-17-yl>-crotonsaeure-lacton 30047-23-5 C23H29ClO3
    2-Chlor-4-hydroxy-3-<3-oxo-androst-4-en-17-yl>-crotonsaeure-lacton
    —— 2-Methyl-butyric acid 2-(1-mercapto-1-methyl-ethyl)-5-methyl-cyclohexyl ester 38462-18-9 C15H28O2S
    2-Methyl-butyric acid 2-(1-mercapto-1-methyl-ethyl)-5-methyl-cyclohexyl ester
    —— 2-(difluoromethoxy) alpha-ethynyl 4-thiazolemethanol 153027-85-1 C7H5F2NO2S
    2-(difluoromethoxy) alpha-ethynyl 4-thiazolemethanol
    —— 2-({2-[(2-Amino-ethyl)-(2-hydroxy-ethyl)-amino]-ethyl}-dodecyl-amino)-ethanol 52709-80-5 C20H45N3O2
    2-({2-[(2-Amino-ethyl)-(2-hydroxy-ethyl)-amino]-ethyl}-dodecyl-amino)-ethanol
    —— 2-(3-acetylaminophenyl)amino-4-(homopiperidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine 1070164-69-0 C20H24N6O
    2-(3-acetylaminophenyl)amino-4-(homopiperidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine
    —— 2-[(2-Ethoxycarbonyl-acetyl)-(4-hydroxy-4-methyl-nonyl)-amino]-nonanedioic acid dimethyl ester 65790-54-7 C26H47NO8
    2-[(2-Ethoxycarbonyl-acetyl)-(4-hydroxy-4-methyl-nonyl)-amino]-nonanedioic acid dimethyl ester
    —— 2-isopropyl-4,4-dimethyl-3-phenyl-oxazolidine 24070-33-5 C14H21NO
    2-isopropyl-4,4-dimethyl-3-phenyl-oxazolidine
    —— 2-[(3aS,4S,6R,6aR)-4-[(4-methoxyphenyl)methoxy]-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]acetaldehyde 946063-33-8 C18H24O5
    2-[(3aS,4S,6R,6aR)-4-[(4-methoxyphenyl)methoxy]-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxol-6-yl]acetaldehyde
    —— 2,4-Dichloro-N-(4-oxo-2-phenyl-thiazolidin-3-yl)-benzamide 130489-67-7 C16H12Cl2N2O2S
    2,4-Dichloro-N-(4-oxo-2-phenyl-thiazolidin-3-yl)-benzamide
    —— (2,5-Dioxo-1-pyrrolidinyl)methyl (2R,5S,6S)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 894412-23-8 C21H23N3O6S
    (2,5-Dioxo-1-pyrrolidinyl)methyl (2R,5S,6S)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
    —— 2-Bromo-4-fluorobenzoic acid 2-[(4-methylphenyl)methylene]hydrazide 935657-74-2 C15H12BrFN2O
    2-Bromo-4-fluorobenzoic acid 2-[(4-methylphenyl)methylene]hydrazide
    —— 2,3-Dihydro-4-(2-morpholinylmethoxy)-1H-indole 688732-78-7 C13H18N2O2
    2,3-Dihydro-4-(2-morpholinylmethoxy)-1H-indole
    —— 2-Bromo-1,1,3-trifluoropropane 2356063-97-1 C3H4BrF3
    2-Bromo-1,1,3-trifluoropropane
    —— 2-Amino-2-ethylpropane-1,3-diol stearate 90459-59-9 C23H49NO4
    2-Amino-2-ethylpropane-1,3-diol stearate
    —— 2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-1-(methyl-d3)-(9CI); 9-Chloro-6-(2-chlorophenyl)-4-hydroxy-2-trideuteromethyl-2,5-diazabicyclo[5.4.0]undeca-5,8,10,12-tetraen-3-one 84344-02-5 C16H12Cl2N2O2
    2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(2-chlorophenyl)-1,3-dihydro-3-hydroxy-1-(methyl-d3)-(9CI); 9-Chloro-6-(2-chlorophenyl)-4-hydroxy-2-trideuteromethyl-2,5-diazabicyclo[5.4.0]undeca-5,8,10,12-tetraen-3-one
    —— (2S)-1-(fluorosulfonyl)pyrrolidine-2-carboxylic acid 2763740-79-8 C5H8FNO4S
    (2S)-1-(fluorosulfonyl)pyrrolidine-2-carboxylic acid
    —— 2,3-di-O-pentanoyl-1-O-(1-naphthyl)-α-D-ribofuranoside 1604045-32-0 C25H32O7
    2,3-di-O-pentanoyl-1-O-(1-naphthyl)-α-D-ribofuranoside
    —— (2,4,6-Trichloropyrimidin-5-yl)acetate 20401-33-6 C6H2Cl3N2O2-
    (2,4,6-Trichloropyrimidin-5-yl)acetate
    —— 2-chloro-N-[(5-heptyl-1,3,4-thiadiazol-2-yl)carbamoyl]acetamide 75122-51-9 C12H19ClN4O2S
    2-chloro-N-[(5-heptyl-1,3,4-thiadiazol-2-yl)carbamoyl]acetamide
    —— 2-Methyl-1-oxy-chinolin-3-carbaldehyd-thiosemicarbazon 68532-16-1 C12H12N4OS
    2-Methyl-1-oxy-chinolin-3-carbaldehyd-thiosemicarbazon
    —— 2-(4-Chloro-phenoxy)-2-methyl-propionic acid 1-ethoxycarbonyl-1-methyl-ethyl ester 62671-88-9 C16H21ClO5
    2-(4-Chloro-phenoxy)-2-methyl-propionic acid 1-ethoxycarbonyl-1-methyl-ethyl ester
    —— 2,2-dimethyl-1<i>r</i>,3<i>c</i>-diphenyl-2,3-dihydro-1<i>H</i>-phenanthro[9,10-<i>c</i>]silole 60644-47-5 C30H26Si
    2,2-dimethyl-1<i>r</i>,3<i>c</i>-diphenyl-2,3-dihydro-1<i>H</i>-phenanthro[9,10-<i>c</i>]silole
    —— (2R,3S,4S,10R,13R,17R)-17-(1,5-Dimethyl-hexyl)-3,10,13-trimethyl-hexadecahydro-20-oxa-cyclopropa[2,3]cyclopenta[a]phenanthren-4-ol 57708-81-3 C28H48O2
    (2R,3S,4S,10R,13R,17R)-17-(1,5-Dimethyl-hexyl)-3,10,13-trimethyl-hexadecahydro-20-oxa-cyclopropa[2,3]cyclopenta[a]phenanthren-4-ol
    —— 2,5-Dioxo-pyrrolidin-(3-spiro-1')-isothiochroman 51948-65-3 C12H11NO2S
    2,5-Dioxo-pyrrolidin-(3-spiro-1')-isothiochroman
    —— 2-(7-methoxy-chroman-2-yl)-benzoic acid methyl ester 58544-96-0 C18H18O4
    2-(7-methoxy-chroman-2-yl)-benzoic acid methyl ester
    —— 2-Phenyl-4-isopropyloxycarbonyl-5-morpholinoxazol 54902-37-3 C17H20N2O4
    2-Phenyl-4-isopropyloxycarbonyl-5-morpholinoxazol
    —— 2-(2,7-dioxo-1,2,7,8-tetrahydro-[1,8]naphthyridin-4-yl)-3-(5-nitro-furan-2-yl)-acrylic acid 42025-93-4 C15H9N3O7
    2-(2,7-dioxo-1,2,7,8-tetrahydro-[1,8]naphthyridin-4-yl)-3-(5-nitro-furan-2-yl)-acrylic acid