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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2<4-Nitro-benzyliden>-4,7-dithia-4,5,6,7-tetrahydro-1,3-indandion 41046-01-9 C14H9NO4S2
    2<4-Nitro-benzyliden>-4,7-dithia-4,5,6,7-tetrahydro-1,3-indandion
    —— 2-bromo-1-(2-<i>tert</i>-butyl-6-chloro-benzo[<i>h</i>]quinolin-4-yl)-ethanone 59107-23-2 C19H17BrClNO
    2-bromo-1-(2-<i>tert</i>-butyl-6-chloro-benzo[<i>h</i>]quinolin-4-yl)-ethanone
    —— 2-(1,1-Dioxo-2,4-diphenyl-4,4a,5,6,7,8-hexahydro-1H-1λ<sup>6</sup>-thiochromene-8a-sulfonyl)-ethanol 62365-74-6 C23H26O5S2
    2-(1,1-Dioxo-2,4-diphenyl-4,4a,5,6,7,8-hexahydro-1H-1λ<sup>6</sup>-thiochromene-8a-sulfonyl)-ethanol
    —— 2-<p-(carbethoxymethylamino)benzyl>-4-phenyl-2H-1,2,3-triazole 104926-62-7 C19H20N4O2
    2-<p-(carbethoxymethylamino)benzyl>-4-phenyl-2H-1,2,3-triazole
    —— 2-C-(3,4,6-tri-O-benzyl)-galactal aldoxime 1064077-76-4 C28H29NO5
    2-C-(3,4,6-tri-O-benzyl)-galactal aldoxime
    —— (2aS,8bS)-4,8b-Dimethyl-1-methylene-2,2a,4,8b-tetrahydro-1H-cyclobuta[c]quinolin-3-one 96643-60-6 C14H15NO
    (2aS,8bS)-4,8b-Dimethyl-1-methylene-2,2a,4,8b-tetrahydro-1H-cyclobuta[c]quinolin-3-one
    —— 2-[(aminocarbonyl)amino]-5-(3-chlorobenzyl)thiophene-3-carboxamide 869091-59-8 C13H12ClN3O2S
    2-[(aminocarbonyl)amino]-5-(3-chlorobenzyl)thiophene-3-carboxamide
    —— 2-Oxo-3-<4-nitro-benzolazo>-3-acetyl-4.6.6-trimethyl-tetrahydropyran 94672-75-0 C16H19N3O5
    2-Oxo-3-<4-nitro-benzolazo>-3-acetyl-4.6.6-trimethyl-tetrahydropyran
    —— 2-Ethyl-[1,3,6,2]trioxaphosphocane 1005-53-4 C6H13O3P
    2-Ethyl-[1,3,6,2]trioxaphosphocane
    —— 2,2-Dimethyl-1,3-dithian-carbonsaeure-(4)-aethylester 91266-92-1 C9H16O2S2
    2,2-Dimethyl-1,3-dithian-carbonsaeure-(4)-aethylester
    —— 2.5-Dimethyl-1,6-bis-<1,1-dimethyl-silacyclohex-3-yl>-hexan 18767-33-4 C22H46Si2
    2.5-Dimethyl-1,6-bis-<1,1-dimethyl-silacyclohex-3-yl>-hexan
    —— (2Z,4Z)-N2,N4-bis(2,3-dichlorophenyl)-1,3-diphenyl-1,3-diphosphetane-2,4-diimine 76514-36-8 C26H16Cl4N2P2
    (2Z,4Z)-N2,N4-bis(2,3-dichlorophenyl)-1,3-diphenyl-1,3-diphosphetane-2,4-diimine
    —— 2-Ethoxycarbonyl-15-acetoxy-pentadecansaeure-ethylester 95806-12-5 C22H40O6
    2-Ethoxycarbonyl-15-acetoxy-pentadecansaeure-ethylester
    —— 2-[3-(5-chloropyridin-2-yloxy)phenyl]chroman-6-ol 728935-12-4 C20H16ClNO3
    2-[3-(5-chloropyridin-2-yloxy)phenyl]chroman-6-ol
    —— (2-Tetrahydrothienyl)-essigsaeureaethylester 65102-19-4 C8H14O2S
    (2-Tetrahydrothienyl)-essigsaeureaethylester
    —— 2-dimethylamino-5,11-dimethyl-6H-pyrimido[5,4-b]carbazol-4(3H)-one 1204175-83-6 C18H18N4O
    2-dimethylamino-5,11-dimethyl-6H-pyrimido[5,4-b]carbazol-4(3H)-one
    —— 2-Propyl-7,8-benzochromon 93022-22-1 C16H14O2
    2-Propyl-7,8-benzochromon
    —— 2,6-Di-tert.-butyl-4-methylcyclohexanon-oxim 92858-14-5 C15H29NO
    2,6-Di-tert.-butyl-4-methylcyclohexanon-oxim
    —— 2-Ethyl-3-(3-diethylamino-1-hydroxy-propyl)-benzofuran 3039-25-6 C17H25NO2
    2-Ethyl-3-(3-diethylamino-1-hydroxy-propyl)-benzofuran
    —— 2-Chloro-N-[2-(4-isopropoxy-3-methyl-phenyl)-ethyl]-acetamide 92299-63-3 C14H20ClNO2
    2-Chloro-N-[2-(4-isopropoxy-3-methyl-phenyl)-ethyl]-acetamide
    —— 2-(5-tert-butyl-4-chloro-2-methyl-2H-pyrazol-3-yl)-6-(2-chloro-phenyl)-4-(2-pyrrolidin-1-yl-ethoxy)-3H-imidazo[4,5-c]pyridine 1332875-56-5 C26H30Cl2N6O
    2-(5-tert-butyl-4-chloro-2-methyl-2H-pyrazol-3-yl)-6-(2-chloro-phenyl)-4-(2-pyrrolidin-1-yl-ethoxy)-3H-imidazo[4,5-c]pyridine
    —— 2-trimethylsilylethyl 2-[(3S)-1-[2-[tert-butyl(dimethyl)silyl]oxyethyl]-3-[(Z)-2-iodoethenyl]-2-oxopiperidin-3-yl]acetate 1073541-31-7 C22H42INO4Si2
    2-trimethylsilylethyl 2-[(3S)-1-[2-[tert-butyl(dimethyl)silyl]oxyethyl]-3-[(Z)-2-iodoethenyl]-2-oxopiperidin-3-yl]acetate
    —— 2-(2-Nitro-1-phenyl-propyl)-1,2,3,4-tetrahydro-isoquinoline 83431-57-6 C18H20N2O2
    2-(2-Nitro-1-phenyl-propyl)-1,2,3,4-tetrahydro-isoquinoline
    —— 2-Chloro-benzoic acid 1-phenyl-2-trimethylsilanyloxy-ethyl ester 128733-56-2 C18H21ClO3Si
    2-Chloro-benzoic acid 1-phenyl-2-trimethylsilanyloxy-ethyl ester
    —— 2-(diethylamino)ethyl N-(2,5,8,11,14-pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-trien-17-yl)carbamate 83935-82-4 C21H34N2O7
    2-(diethylamino)ethyl N-(2,5,8,11,14-pentaoxabicyclo[13.4.0]nonadeca-1(15),16,18-trien-17-yl)carbamate
    —— 2,6-Di-tert-butyl-4-phenyliminomethylphenol 7313-26-0 C21H27NO
    2,6-Di-tert-butyl-4-phenyliminomethylphenol
    —— 2-(2,5-dihydroxy-3,4-dimethoxyphenyl)cyclohex-1-ene-1-carboxylic acid methyl ester 857674-75-0 C16H20O6
    2-(2,5-dihydroxy-3,4-dimethoxyphenyl)cyclohex-1-ene-1-carboxylic acid methyl ester
    —— 2-<6β-(tert-butyldimethylsiloxy)-2β,5β-dihydroxy-5α-methyl-3-cyclohepten-1β-yl>acetic acid γ-lactone 80263-61-2 C16H28O4Si
    2-<6β-(tert-butyldimethylsiloxy)-2β,5β-dihydroxy-5α-methyl-3-cyclohepten-1β-yl>acetic acid γ-lactone
    —— 2,2,4,4-Tetramethoxy-7-methyl-1,3,5,7,11-pentaaza-2λ5,4λ5,6λ5-triphospha-spiro[5.5]undeca-1(6),2,4-triene 141100-42-7 C8H22N5O4P3
    2,2,4,4-Tetramethoxy-7-methyl-1,3,5,7,11-pentaaza-2λ5,4λ5,6λ5-triphospha-spiro[5.5]undeca-1(6),2,4-triene
    —— 2-(2-(6-bromohexyl)tetrazol-5-yl)pyrazine 1383847-55-9 C11H15BrN6
    2-(2-(6-bromohexyl)tetrazol-5-yl)pyrazine
    —— (2-phenyl-1l4,3-dithiolan-1-yl)borane 112566-74-2 C9H13BS2
    (2-phenyl-1l4,3-dithiolan-1-yl)borane
    —— 2,3,7,8-bis(ethylenedioxy)selenanthrene 117402-12-7 C16H12O4Se2
    2,3,7,8-bis(ethylenedioxy)selenanthrene
    —— 2,3:4,6-Di-O-(tetraisopropyldisiloxane-1,3-diyl)-β-D-glucose oxime 138492-95-2 C30H65NO8Si4
    2,3:4,6-Di-O-(tetraisopropyldisiloxane-1,3-diyl)-β-D-glucose oxime
    —— (2S,5R,6R)-6-Bromo-6-((R)-1-hydroxy-ethyl)-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester 104862-45-5 C11H16BrNO6S
    (2S,5R,6R)-6-Bromo-6-((R)-1-hydroxy-ethyl)-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester
    —— 2-phenylseleno-4-triphenylsiloxycyclopentanone 80684-32-8 C29H26O2SeSi
    2-phenylseleno-4-triphenylsiloxycyclopentanone
    —— 2,2-bis(diphenylphosphanyl)-1-phenylethanone;carbon monoxide;tungsten 82328-15-2 C36H26O5P2W
    2,2-bis(diphenylphosphanyl)-1-phenylethanone;carbon monoxide;tungsten
    —— 2-(2,6-Dichloro-pyridin-3-yloxy)-N-octyl-propionamide 62843-79-2 C16H24Cl2N2O2
    2-(2,6-Dichloro-pyridin-3-yloxy)-N-octyl-propionamide
    —— 2-Methanesulfonyl-1-(2-methoxy-phenyl)-1H-benzoimidazole 75399-22-3 C15H14N2O3S
    2-Methanesulfonyl-1-(2-methoxy-phenyl)-1H-benzoimidazole
    —— 2-acetamido-5-O-acetyl-2-deoxy-3,4-O-isopropylidene-D-xylose diethyl dithioacetal 84553-58-2 C16H29NO5S2
    2-acetamido-5-O-acetyl-2-deoxy-3,4-O-isopropylidene-D-xylose diethyl dithioacetal
    —— 2,3'-imino-1-(3'-amino-2',4',6'-tri-O-acetyl-3'-deoxy-β-D-talopyranosyl)isocytosine 96745-79-8 C16H19N3O8
    2,3'-imino-1-(3'-amino-2',4',6'-tri-O-acetyl-3'-deoxy-β-D-talopyranosyl)isocytosine
    —— 2-acetylimino-3-o-tolyl-5-carboxamido-4-formylamino-4-thiazoline 74417-54-2 C14H14N4O3S
    2-acetylimino-3-o-tolyl-5-carboxamido-4-formylamino-4-thiazoline
    —— 2-[4-((1Z,4Z,9Z,15Z)-2,3,7,8,12,13,17,18-Octaethyl-porphyrin-5-yl)-butyl]-[1,4]benzoquinone 78950-67-1 C46H56N4O2
    2-[4-((1Z,4Z,9Z,15Z)-2,3,7,8,12,13,17,18-Octaethyl-porphyrin-5-yl)-butyl]-[1,4]benzoquinone
    —— 2-Hydroxy-2,8,10-trimethyl-4-phenyl-3,4-dihydro-2H-pyrano[3,2-c]chromen-5-one 345662-44-4 C21H20O4
    2-Hydroxy-2,8,10-trimethyl-4-phenyl-3,4-dihydro-2H-pyrano[3,2-c]chromen-5-one
    —— 2-(2-Fluorophenyl)-4-(7-oxido-2,7-naphthyridin-7-ium-4-yl)-1,8-naphthyridine 1323920-13-3 C22H13FN4O
    2-(2-Fluorophenyl)-4-(7-oxido-2,7-naphthyridin-7-ium-4-yl)-1,8-naphthyridine
    —— 2-(6-methyl-pyridin-2-yl)-4-(5-phenyl-pyridin-3-yl)-[1,8]naphthyridine 1323916-61-5 C25H18N4
    2-(6-methyl-pyridin-2-yl)-4-(5-phenyl-pyridin-3-yl)-[1,8]naphthyridine
    —— 2-(tetrahydropyran-4-ylamino)-5,8-dihydro-6H-pyrido [3,4-d]pyrimidine-7-carboxylic acid benzylamide 1395076-33-1 C20H25N5O2
    2-(tetrahydropyran-4-ylamino)-5,8-dihydro-6H-pyrido [3,4-d]pyrimidine-7-carboxylic acid benzylamide
    —— 2,2'-Ethyliden-di-(5,6-dihydro-4,7-dithia-1,3-indendion) 60925-06-6 C16H14O4S4
    2,2'-Ethyliden-di-(5,6-dihydro-4,7-dithia-1,3-indendion)
    —— 2-(4-methoxy-phenyl)-4-methyl-1-phenyl-1,4-dihydro-2<i>H</i>-pyrrolo[3,4-<i>b</i>]indol-3-one 61939-32-0 C24H20N2O2
    2-(4-methoxy-phenyl)-4-methyl-1-phenyl-1,4-dihydro-2<i>H</i>-pyrrolo[3,4-<i>b</i>]indol-3-one
    —— 2-hydroxy-5-(1,1,3,3-tetramethyl-butyl)-benzaldehyde-(2,4-dinitro-phenylhydrazone) 77635-29-1 C21H26N4O5
    2-hydroxy-5-(1,1,3,3-tetramethyl-butyl)-benzaldehyde-(2,4-dinitro-phenylhydrazone)
    —— 2-(4-formyl-2-methoxyphenoxy)-N-hexadecylacetamide 1438396-04-3 C26H43NO4
    2-(4-formyl-2-methoxyphenoxy)-N-hexadecylacetamide