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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Formylhydrazinopyridazino<6,1-b>chinazolin-10-on 27230-96-2 C12H9N5O2
    2-Formylhydrazinopyridazino<6,1-b>chinazolin-10-on
    —— 2-(2-Carboxy-phenyl)-heptanedioic acid 65326-09-2 C14H16O6
    2-(2-Carboxy-phenyl)-heptanedioic acid
    —— 2-cyclohept-4-enyl-2-methyl-[1,3]dioxolane 65441-12-5 C11H18O2
    2-cyclohept-4-enyl-2-methyl-[1,3]dioxolane
    —— 2'-Bromospiro[1,3-dioxolane-2,1'-indene] 62015-83-2 C11H9BrO2
    2'-Bromospiro[1,3-dioxolane-2,1'-indene]
    —— 2-(cyclopropylmethylamino)-N-[2-(4,4-difluoropiperidin-1-yl)-2-(2-morpholin-4-ylpyrimidin-5-yl)ethyl]quinoline-5-carboxamide 1192563-78-2 C29H35F2N7O2
    2-(cyclopropylmethylamino)-N-[2-(4,4-difluoropiperidin-1-yl)-2-(2-morpholin-4-ylpyrimidin-5-yl)ethyl]quinoline-5-carboxamide
    —— (2Z)-2-(2-carbamoyl-2-cyano-1-dimethylaminoethenyl)-1-methylpyrrole 943826-19-5 C11H14N4O
    (2Z)-2-(2-carbamoyl-2-cyano-1-dimethylaminoethenyl)-1-methylpyrrole
    —— 2-(2-phenethylamino-4,5-dihydro-imidazol-1-yl)-ethanol 100450-95-1 C13H19N3O
    2-(2-phenethylamino-4,5-dihydro-imidazol-1-yl)-ethanol
    —— 2,2'-[1,4-phenylenebis(methylene-1H-pyrrole-1,2-diyl)]diacetic acid 1159187-57-1 C20H20N2O4S2
    2,2'-[1,4-phenylenebis(methylene-1H-pyrrole-1,2-diyl)]diacetic acid
    —— 2'-deoxy-2'-mercapto-4,4-di-N-methylcytidine hydrochloride 129664-46-6 C11H17N3O4S*ClH
    2'-deoxy-2'-mercapto-4,4-di-N-methylcytidine hydrochloride
    —— 2,4-diazido-6-(prop-2-yn-1-yloxy)-1,3,5-triazine 1383436-50-7 C6H3N9O
    2,4-diazido-6-(prop-2-yn-1-yloxy)-1,3,5-triazine
    —— [2-(3-iodo-phenyl)-2H-tetrazol-5-yl]-methanol 863711-57-3 C8H7IN4O
    [2-(3-iodo-phenyl)-2H-tetrazol-5-yl]-methanol
    —— 2,3-dibromo-7-cyano-4-hydroxy-1-(4-methoxy-phenyl)-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester 952397-60-3 C18H13Br2N3O4
    2,3-dibromo-7-cyano-4-hydroxy-1-(4-methoxy-phenyl)-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester
    —— 2-(2,3-dihydro-benzofuran-5-yl)-4-{[(2,4-dimethoxy-benzyl)-ethoxycarbonylmethyl-amino]-methyl}-thiazole-5-carboxylic acid ethyl ester 952396-09-7 C28H32N2O7S
    2-(2,3-dihydro-benzofuran-5-yl)-4-{[(2,4-dimethoxy-benzyl)-ethoxycarbonylmethyl-amino]-methyl}-thiazole-5-carboxylic acid ethyl ester
    —— 2,5-dichloro-3-[(5-chloro-1H-1,2,3-benzotriazol-4-yl)oxy]benzonitrile 1034709-05-1 C13H5Cl3N4O
    2,5-dichloro-3-[(5-chloro-1H-1,2,3-benzotriazol-4-yl)oxy]benzonitrile
    —— 2-tert-Butylsulfanyl-2-pentyl-pentanedioic acid 1-tert-butyl ester 5-ethyl ester 49827-21-6 C20H38O4S
    2-tert-Butylsulfanyl-2-pentyl-pentanedioic acid 1-tert-butyl ester 5-ethyl ester
    —— 2-Ethyl-4-methyl-1,2-thiaphosphol-3-en-5-on-2-sulfid 41269-56-1 C6H9OPS2
    2-Ethyl-4-methyl-1,2-thiaphosphol-3-en-5-on-2-sulfid
    —— 2-(p-cyanobenzyl)-5-<2-<(phenylthio)methyl>phenyl>naphthacene 134178-70-4 C39H27NS
    2-(p-cyanobenzyl)-5-<2-<(phenylthio)methyl>phenyl>naphthacene
    —— 26,28-Bis(4-azidobutoxy)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaene-25,27-diol 1384475-11-9 C36H38N6O4
    26,28-Bis(4-azidobutoxy)pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaene-25,27-diol
    —— 2-Chloro-N-[2-(methyl-phenyl-amino)-phenyl]-acetamide 22504-14-9 C15H15ClN2O
    2-Chloro-N-[2-(methyl-phenyl-amino)-phenyl]-acetamide
    —— 2,2-Dimethyl-propionic acid (2R,3S,4S)-2,3,4-tris-benzyloxy-5-((2R,3R,3aS,9aR)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yloxy)-pentyl ester 117325-98-1 C48H72O11Si2
    2,2-Dimethyl-propionic acid (2R,3S,4S)-2,3,4-tris-benzyloxy-5-((2R,3R,3aS,9aR)-3-hydroxy-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yloxy)-pentyl ester
    —— 2-(6,7-bis(tert-butyldimethylsilyloxy)-1,2,3,4,4a,5,6,7-octahydronaphthalen-4a-yl)ethyl benzoate 1172125-43-7 C27H52O5Si2
    2-(6,7-bis(tert-butyldimethylsilyloxy)-1,2,3,4,4a,5,6,7-octahydronaphthalen-4a-yl)ethyl benzoate
    —— 2-phenyl-5-(trimethylsilyl)pyridine 128945-73-3 C14H17NSi
    2-phenyl-5-(trimethylsilyl)pyridine
    —— (2R,3S,4R,5R,6S)-3,5-Bis-benzyloxy-4-(2-ethoxy-ethoxy)-2-methoxy-6-methyl-tetrahydro-pyran 852561-99-0 C25H34O6
    (2R,3S,4R,5R,6S)-3,5-Bis-benzyloxy-4-(2-ethoxy-ethoxy)-2-methoxy-6-methyl-tetrahydro-pyran
    —— 2β-amino-19β,28-epoxy-18α-olean-3β-ol 1415688-96-8 C30H51NO2
    2β-amino-19β,28-epoxy-18α-olean-3β-ol
    —— 2-Amino-4-methoxybutanenitrile hydrochloride 1803588-17-1 C5H11ClN2O
    2-Amino-4-methoxybutanenitrile hydrochloride
    —— 2-fluoro-4-nitrophenylsulfur pentafluoride 864230-04-6 C6H3F6NO2S
    2-fluoro-4-nitrophenylsulfur pentafluoride
    —— 2-(2-Pyrrolidinylmethyl)-8H-indeno[1,2-d]thiazole fumarate 172260-51-4 C4H4O4*C15H16N2S
    2-(2-Pyrrolidinylmethyl)-8H-indeno[1,2-d]thiazole fumarate
    —— 2-[5-[3-Amino-6-(4-piperidin-3-ylsulfonylphenyl)pyrazin-2-yl]-1,2-oxazol-3-yl]phenol 1432755-67-3 C24H23N5O4S
    2-[5-[3-Amino-6-(4-piperidin-3-ylsulfonylphenyl)pyrazin-2-yl]-1,2-oxazol-3-yl]phenol
    —— 2-{5-[(2,6-dimethoxyphenyl)carbonyl]hexahydropyrrolo[3,4-c]pyrrol-2(1H)-yl}quinoxaline 1293282-07-1 C23H24N4O3
    2-{5-[(2,6-dimethoxyphenyl)carbonyl]hexahydropyrrolo[3,4-c]pyrrol-2(1H)-yl}quinoxaline
    —— 2-Butyl-6-methyl-4-oxo-4H-thiochromene-3-carboxylic acid ethyl ester 105508-63-2 C17H20O3S
    2-Butyl-6-methyl-4-oxo-4H-thiochromene-3-carboxylic acid ethyl ester
    —— 2-[1-[5-[5-[6-(trifluoromethoxy)-1H-benzimidazol-2-yl]pyrazin-2-yl]pyrimidin-2-yl]piperidin-4-yl]acetic acid 1388142-47-9 C23H20F3N7O3
    2-[1-[5-[5-[6-(trifluoromethoxy)-1H-benzimidazol-2-yl]pyrazin-2-yl]pyrimidin-2-yl]piperidin-4-yl]acetic acid
    —— 2-Methyl-1-nitroso-anthraquinone 58657-30-0 C15H9NO3
    2-Methyl-1-nitroso-anthraquinone
    —— 2-(R,S)-benzyloxycarbonylamino-3-[4'-(1''-t-butoxycarbonyl-1''-methyl)ethyl]benzenepropanoic acid ethyl ester 228410-31-9 C27H35NO6
    2-(R,S)-benzyloxycarbonylamino-3-[4'-(1''-t-butoxycarbonyl-1''-methyl)ethyl]benzenepropanoic acid ethyl ester
    —— (2S,3R,4E)-2-Azido-3-benzoyloxy-1-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyloxy)-4-undecene 172147-27-2 C32H43N3O12
    (2S,3R,4E)-2-Azido-3-benzoyloxy-1-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyloxy)-4-undecene
    —— 2-(2-methoxy-phenylimino)-3-m-tolyl-thiazolidine-4,5-dione 5-phenylhydrazone 23428-98-0 C23H20N4O2S
    2-(2-methoxy-phenylimino)-3-m-tolyl-thiazolidine-4,5-dione 5-phenylhydrazone
    —— 2-((4-tolyl)ethynyl)pyrimidine-5-carbaldehyde 1560768-88-8 C14H10N2O
    2-((4-tolyl)ethynyl)pyrimidine-5-carbaldehyde
    —— (2R,6S)-2,9,9-Trimethyl-4-((S)-2,2,4-trimethyl-cyclopent-3-enylmethyl)-3,5-dioxa-tricyclo[6.1.1.0<sup>2,6</sup>]decane 70904-70-0 C20H32O2
    (2R,6S)-2,9,9-Trimethyl-4-((S)-2,2,4-trimethyl-cyclopent-3-enylmethyl)-3,5-dioxa-tricyclo[6.1.1.0<sup>2,6</sup>]decane
    —— (2<i>R</i>,3<i>R</i>)-3-benzyloxy-3-((5<i>S</i>)-4<i>c</i>-benzyloxymethyl-2-phenyl-4,5-dihydro-oxazol-5<i>r</i>-yl)-propane-1,2-diol 65493-21-2 C27H29NO5
    (2<i>R</i>,3<i>R</i>)-3-benzyloxy-3-((5<i>S</i>)-4<i>c</i>-benzyloxymethyl-2-phenyl-4,5-dihydro-oxazol-5<i>r</i>-yl)-propane-1,2-diol
    —— 2,8,14,20-tetrakis-(3-phthalimido-propyl)-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 67680-81-3 C68H60N12O12
    2,8,14,20-tetrakis-(3-phthalimido-propyl)-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-(2-Isopropylindan-5-yl)propionsaeure 67551-07-9 C15H20O2
    2-(2-Isopropylindan-5-yl)propionsaeure
    —— (2R,3R)-2-tert-Butylsulfanyl-1-cyclohexyl-3-methyl-4-oxo-azetidine-3-carbonitrile 67767-43-5 C15H24N2OS
    (2R,3R)-2-tert-Butylsulfanyl-1-cyclohexyl-3-methyl-4-oxo-azetidine-3-carbonitrile
    —— 2-[2-(3,4-Dimethoxy-phenyl)-ethyl]-4-methyl-4-(3-oxo-butyl)-4H-isoquinoline-1,3-dione 67657-17-4 C24H27NO5
    2-[2-(3,4-Dimethoxy-phenyl)-ethyl]-4-methyl-4-(3-oxo-butyl)-4H-isoquinoline-1,3-dione
    —— 2,5-bis-allylsulfanyl-pyrrole 66786-04-7 C10H13NS2
    2,5-bis-allylsulfanyl-pyrrole
    —— 2-Methoxy-2a,4a,7,7b-tetrahydro-2H-cyclopenta[cd]indene 69417-86-3 C12H14O
    2-Methoxy-2a,4a,7,7b-tetrahydro-2H-cyclopenta[cd]indene
    —— 2-[Acetyl-(2-chloro-4-methyl-phenyl)-amino]-N-(4-sulfamoyl-phenyl)-acetamide 69354-17-2 C17H18ClN3O4S
    2-[Acetyl-(2-chloro-4-methyl-phenyl)-amino]-N-(4-sulfamoyl-phenyl)-acetamide
    —— [2-(1-cyclobutylpiperidin-4-yloxy)-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl]piperidin-1-ylmethanone hydrochloride 1363259-31-7 C21H32N4O2S*ClH
    [2-(1-cyclobutylpiperidin-4-yloxy)-6,7-dihydro-4H-thiazolo[5,4-c]pyridin-5-yl]piperidin-1-ylmethanone hydrochloride
    —— 2-Hydroxybenzohydrazide;hydrochloride 186040-90-4 C7H8N2O2*ClH
    2-Hydroxybenzohydrazide;hydrochloride
    —— 2,5-Dimethyl-benzaldehyd-<toluol-4-sulfonylhydrazon> 35629-80-2 C16H18N2O2S
    2,5-Dimethyl-benzaldehyd-<toluol-4-sulfonylhydrazon>
    —— [2-(dimethylaminomethyl)phenyl]methyldichlorosilane 131120-56-4 C10H15Cl2NSi
    [2-(dimethylaminomethyl)phenyl]methyldichlorosilane
    —— 2,4-DIhydroxy-7-(2-hydroxy-2-methyl-3-oxobutyl)-6-methylpteridin (8a-13C) 67121-25-9 C12H14N4O4
    2,4-DIhydroxy-7-(2-hydroxy-2-methyl-3-oxobutyl)-6-methylpteridin (8a-13C)