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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,5-Dimesityl-3,6-diphenylbenzochinon 53547-06-1 C36H32O2
    2,5-Dimesityl-3,6-diphenylbenzochinon
    —— 2-(7-methoxy-1-oxo-1<i>H</i>-isochromen-3-yl)-benzoic acid methyl ester 49618-54-4 C18H14O5
    2-(7-methoxy-1-oxo-1<i>H</i>-isochromen-3-yl)-benzoic acid methyl ester
    —— 2-(<i>N</i>-acetyl-anilino)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-quinoline-3-carbonitrile 51369-20-1 C20H19N3O2
    2-(<i>N</i>-acetyl-anilino)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-quinoline-3-carbonitrile
    —— 2-((Z)-2,3-Dichloro-4-p-tolyl-but-2-enyl)-malonic acid 52687-61-3 C14H14Cl2O4
    2-((Z)-2,3-Dichloro-4-p-tolyl-but-2-enyl)-malonic acid
    —— 2,4-Dimethoxy-5-nitrobenzaldehyddimethylacetal 55020-48-9 C11H15NO6
    2,4-Dimethoxy-5-nitrobenzaldehyddimethylacetal
    —— 2-Benzoyl-1-formylazulen 53827-93-3 C18H12O2
    2-Benzoyl-1-formylazulen
    —— 2,6-Di-p-methylbenzoyl-4H-pyran 54281-59-3 C21H18O3
    2,6-Di-p-methylbenzoyl-4H-pyran
    —— (2R,3R,4S,5R,6S)-2-[(R)-2-Hydroxy-1-(2-hydroxy-1-hydroxymethyl-ethoxy)-ethoxymethyl]-4,6-dimethoxy-tetrahydro-pyran-3,5-diol 55728-86-4 C13H26O10
    (2R,3R,4S,5R,6S)-2-[(R)-2-Hydroxy-1-(2-hydroxy-1-hydroxymethyl-ethoxy)-ethoxymethyl]-4,6-dimethoxy-tetrahydro-pyran-3,5-diol
    —— (2,2-Dimethoxy-ethyl)-[1-selenophen-2-yl-eth-(Z)-ylidene]-amine 55390-21-1 C10H15NO2Se
    (2,2-Dimethoxy-ethyl)-[1-selenophen-2-yl-eth-(Z)-ylidene]-amine
    —— 2-((10R,13S,16S,17S)-16-Hydroxy-4,4,10,13,14-pentamethyl-3-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methyl-hept-5-enoic acid 50656-67-2 C30H46O4
    2-((10R,13S,16S,17S)-16-Hydroxy-4,4,10,13,14-pentamethyl-3-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methyl-hept-5-enoic acid
    —— 2-Methyl-hex-4-ynoic acid dimethylamide 51578-09-7 C9H15NO
    2-Methyl-hex-4-ynoic acid dimethylamide
    —— 2,5,8-tricyclohexyl-tetradecahydro-dipyrrolo[3,4-<i>e</i>;3',4'-<i>g</i>]isoindole 43154-08-1 C30H51N3
    2,5,8-tricyclohexyl-tetradecahydro-dipyrrolo[3,4-<i>e</i>;3',4'-<i>g</i>]isoindole
    —— 2,8,14,20-tetrakis-ethoxymethyl-4a,5,10a,11,16a,17,22a,23-octahydro-2<i>H</i>,8<i>H</i>,14<i>H</i>,20<i>H</i>-2,5,8,11,14,17,20,23-octaaza-tetrabenzo[<i>a</i>,<i>e</i>,<i>i</i>,<i>m</i>]cyclohexadecene-6,12,18,24-tetraone 54071-92-0 C36H48N8O8
    2,8,14,20-tetrakis-ethoxymethyl-4a,5,10a,11,16a,17,22a,23-octahydro-2<i>H</i>,8<i>H</i>,14<i>H</i>,20<i>H</i>-2,5,8,11,14,17,20,23-octaaza-tetrabenzo[<i>a</i>,<i>e</i>,<i>i</i>,<i>m</i>]cyclohexadecene-6,12,18,24-tetraone
    —— 2-Butoxycarbonyl-1,3-dioxepan 54608-17-2 C10H18O4
    2-Butoxycarbonyl-1,3-dioxepan
    —— 2.5-Dimethyl-hexahydrofuranoanthracen 55167-80-1 C21H19NO
    2.5-Dimethyl-hexahydrofuranoanthracen
    —— 2,3-bis-(1-acetoxy-ethyl)-quinoxaline 50625-85-9 C16H18N2O4
    2,3-bis-(1-acetoxy-ethyl)-quinoxaline
    —— 2,3-dimethyl-6-phenyl-imidazo[1,5-<i>b</i>][1,2,4]triazine 54070-15-4 C13H12N4
    2,3-dimethyl-6-phenyl-imidazo[1,5-<i>b</i>][1,2,4]triazine
    —— 2-N-Methylacetamido-3-amino-4-acetyl-isocarbostyril 52997-89-4 C14H15N3O3
    2-N-Methylacetamido-3-amino-4-acetyl-isocarbostyril
    —— 2-{2-[5-Phenyl-[1,2]dithiol-(3E)-ylidene]-cyclohexylidene}-malononitrile 77432-24-7 C18H14N2S2
    2-{2-[5-Phenyl-[1,2]dithiol-(3E)-ylidene]-cyclohexylidene}-malononitrile
    —— 2-(1-(4-azidophenyl)cyclopropyl)-4-(pyridin-4-yl)thiazole 1316736-08-9 C17H13N5S
    2-(1-(4-azidophenyl)cyclopropyl)-4-(pyridin-4-yl)thiazole
    —— 2-[[3-(4-chlorophenyl)-3-oxopropyl]amino]-4-methylpentanoic acid 92515-03-2 C15H20ClNO3
    2-[[3-(4-chlorophenyl)-3-oxopropyl]amino]-4-methylpentanoic acid
    —— (2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)(2-nitrophenyl)methane 1350930-36-7 C21H25NO11
    (2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)(2-nitrophenyl)methane
    —— 2,6-Diamino-4-benzyloxy-3-nitropyridin 53995-22-5 C12H12N4O3
    2,6-Diamino-4-benzyloxy-3-nitropyridin
    —— 2-Nitro-succinic acid dimethyl ester; compound with diethyl-amine 40149-60-8 C4H11N*C6H9NO6
    2-Nitro-succinic acid dimethyl ester; compound with diethyl-amine
    —— 2-(2-hydroxy-ethylamino)-4,7,7-trimethyl-5-oxo-5,6,7,8-tetrahydro-quinoline-3-carbonitrile 51369-30-3 C15H19N3O2
    2-(2-hydroxy-ethylamino)-4,7,7-trimethyl-5-oxo-5,6,7,8-tetrahydro-quinoline-3-carbonitrile
    —— 2,6-diaza-1(1,2)-benzena-4(1,4)-cyclohexana-cyclohexaphane-4<sup>2,3</sup>-dione 51089-09-9 C14H16N2O2
    2,6-diaza-1(1,2)-benzena-4(1,4)-cyclohexana-cyclohexaphane-4<sup>2,3</sup>-dione
    —— 2,2'-carbonyl-bis-benzo[4,5]imidazo[2,1-<i>a</i>]isoindol-11-one 29453-98-3 C29H14N4O3
    2,2'-carbonyl-bis-benzo[4,5]imidazo[2,1-<i>a</i>]isoindol-11-one
    —— 2,3-Homophenalenon 42719-67-5 C14H10O
    2,3-Homophenalenon
    —— 2-Dibutylamino-N-naphtho[2,1-d]thiazol-2-yl-acetamide 54883-71-5 C21H27N3OS
    2-Dibutylamino-N-naphtho[2,1-d]thiazol-2-yl-acetamide
    —— 2,6-Dichlor-5-methoxy-3-dimethylamino-pyrazin 55233-56-2 C7H9Cl2N3O
    2,6-Dichlor-5-methoxy-3-dimethylamino-pyrazin
    —— 2,2-Dimethoxy-1,3,4,4,5,5-hexamethyl-[1,3,2,4,5]diazatrisilolidine 58276-81-6 C8H24N2O2Si3
    2,2-Dimethoxy-1,3,4,4,5,5-hexamethyl-[1,3,2,4,5]diazatrisilolidine
    —— 2-[5-Acetyl-2-(4-methoxy-phenyl)-6-methyl-pyrimidin-4-ylsulfanyl]-N-(3-acetyl-phenyl)-acetamide 132606-50-9 C24H23N3O4S
    2-[5-Acetyl-2-(4-methoxy-phenyl)-6-methyl-pyrimidin-4-ylsulfanyl]-N-(3-acetyl-phenyl)-acetamide
    —— 2-(3-aminophenyl)pent-4-yn-2-ol 1251537-84-4 C11H13NO
    2-(3-aminophenyl)pent-4-yn-2-ol
    —— 2-(7-chloro-[1,8]naphthyridin-2-yl)-3-(methyl-pentyl-carbamoyloxy)-2,3-dihydro-isoindol-1-one 61500-70-7 C23H23ClN4O3
    2-(7-chloro-[1,8]naphthyridin-2-yl)-3-(methyl-pentyl-carbamoyloxy)-2,3-dihydro-isoindol-1-one
    —— 2,2'-dithiodibenzoic acid mono-(1,1,3,3-tetramethylguanidinium) salt 142081-12-7 C5H13N3*C14H10O4S2
    2,2'-dithiodibenzoic acid mono-(1,1,3,3-tetramethylguanidinium) salt
    —— 2,3-Diisopropyl-thiaziridine 1,1-dioxide 136338-09-5 C7H15NO2S
    2,3-Diisopropyl-thiaziridine 1,1-dioxide
    —— 2-(2,3-dimethyl-phenoxymethyl)-5-methoxy-pyran-4-one 108170-81-6 C15H16O4
    2-(2,3-dimethyl-phenoxymethyl)-5-methoxy-pyran-4-one
    —— 2-thiophen-2-yl-pyrimidine-4,5-dicarboxylic acid diethyl ester 33221-98-6 C14H14N2O4S
    2-thiophen-2-yl-pyrimidine-4,5-dicarboxylic acid diethyl ester
    —— (2R,3R,4S)-2-(3-Fluoro-4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)1-(2-(N-propyl-N-pentanesulfonylamino)ethyl)-pyrrolidine-3-carboxylic acid, hydrochloride salt 195707-78-9 C29H39FN2O7S*ClH
    (2R,3R,4S)-2-(3-Fluoro-4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)1-(2-(N-propyl-N-pentanesulfonylamino)ethyl)-pyrrolidine-3-carboxylic acid, hydrochloride salt
    —— (2-Chloro-ethyl)-carbamic acid 1,1-dimethyl-prop-2-ynyl ester 90641-40-0 C8H12ClNO2
    (2-Chloro-ethyl)-carbamic acid 1,1-dimethyl-prop-2-ynyl ester
    —— (2R,3R)-3-[(1S)-1-methoxyethyl]-2-methylpent-4-ynoic acid 145071-97-2 C9H14O3
    (2R,3R)-3-[(1S)-1-methoxyethyl]-2-methylpent-4-ynoic acid
    —— (2R,3S,4R)-1-β-D-glucopyranosylthio-3,4-dihydroxy-2-octanoylaminooctadecane 1571918-54-1 C32H63NO8S
    (2R,3S,4R)-1-β-D-glucopyranosylthio-3,4-dihydroxy-2-octanoylaminooctadecane
    —— 2-imidazol-1-yl-4,4-dimethyl-1-(3-phenoxy-phenyl)-pent-1-en-3-ol 70217-35-5 C22H24N2O2
    2-imidazol-1-yl-4,4-dimethyl-1-(3-phenoxy-phenyl)-pent-1-en-3-ol
    —— 2-Carbamidoethyl-methyl-phosphinsaeureethylester 31545-38-7 C6H14NO3P
    2-Carbamidoethyl-methyl-phosphinsaeureethylester
    —— 2,6,10-Trimethyl-dodeca-1,6-dien-10-ol 43010-10-2 C15H28O
    2,6,10-Trimethyl-dodeca-1,6-dien-10-ol
    —— 2-amino-N-[2-(3a-(S)-benzyl-2-methyl-3-oxo-2,3,3a,4,6,7-hexahydropyrazolo[4,3-c]pyridin-5-yl)-1-(R)-benzyloxymethyl-2-oxo-ethyl]-isobutyramide hydrochloride 193273-65-3 C28H35N5O4*ClH
    2-amino-N-[2-(3a-(S)-benzyl-2-methyl-3-oxo-2,3,3a,4,6,7-hexahydropyrazolo[4,3-c]pyridin-5-yl)-1-(R)-benzyloxymethyl-2-oxo-ethyl]-isobutyramide hydrochloride
    —— 2-n.propyl-3-(1-imidazolyl)-2,3-dihydro-6-carboxy-4H-1-benzopyran-4-one 85928-88-7 C16H16N2O4
    2-n.propyl-3-(1-imidazolyl)-2,3-dihydro-6-carboxy-4H-1-benzopyran-4-one
    —— 2-(N,N-Dimethylsulfamyl)-4-(2H-naphtho<1,2-d>triazol-2-yl-stilben) 36858-10-3 C26H22N4O2S
    2-(N,N-Dimethylsulfamyl)-4-(2H-naphtho<1,2-d>triazol-2-yl-stilben)
    —— 2-ethyl-4-methoxy-1-phenyl-1,2-dihydro-pyridazine-3,6-dione 91807-16-8 C13H14N2O3
    2-ethyl-4-methoxy-1-phenyl-1,2-dihydro-pyridazine-3,6-dione
    —— 2-(3,5-dichloroanilino)-1-[(3S)-3-[[5-[4-(4-methylpiperazine-1-carbonyl)phenyl]-1H-pyrrolo[2,3-b]pyridin-4-yl]amino]piperidin-1-yl]ethanone 1374240-15-9 C32H35Cl2N7O2
    2-(3,5-dichloroanilino)-1-[(3S)-3-[[5-[4-(4-methylpiperazine-1-carbonyl)phenyl]-1H-pyrrolo[2,3-b]pyridin-4-yl]amino]piperidin-1-yl]ethanone