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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,4-Dinitrophenylhydrazon des 3-Oxo-2,2-dimethyl-hexen-(4) 92325-42-3 C14H18N4O4
    2,4-Dinitrophenylhydrazon des 3-Oxo-2,2-dimethyl-hexen-(4)
    —— (2S,3R,5S,6R)-5-((di-tert-butylfluorosilyl)oxy)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3-yl acetate 1567840-51-0 C17H33FO6Si
    (2S,3R,5S,6R)-5-((di-tert-butylfluorosilyl)oxy)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3-yl acetate
    —— (2R,3R,11R,12R)-1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane-2,3,11,12-tetracarboxylic acid N,N'-diacetic acid bis(hydrogen toluenesulfonate) 130190-56-6 2C7H8O3S*C20H30N2O16
    (2R,3R,11R,12R)-1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane-2,3,11,12-tetracarboxylic acid N,N'-diacetic acid bis(hydrogen toluenesulfonate)
    —— 2,3-dihydro-4-methyl-1H-furano[2,3-b]pyrido[1,2-a]benzimidazole-5-carbonitrile 577774-38-0 C15H11N3O
    2,3-dihydro-4-methyl-1H-furano[2,3-b]pyrido[1,2-a]benzimidazole-5-carbonitrile
    —— 2-Benzoylamino-7-(2-desoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo<2,3-d>pyrimidin 97892-93-8 C18H18N4O4
    2-Benzoylamino-7-(2-desoxy-β-D-erythro-pentofuranosyl)-7H-pyrrolo<2,3-d>pyrimidin
    —— 2-(β-Pyridylmethylen)-cyclopentanon 14711-23-0 C11H11NO
    2-(β-Pyridylmethylen)-cyclopentanon
    —— (2S)-1-{[1,1-Dimethyl-2-(5-methyl-2-p-tolyl-1H-imidazol-4-yl)-ethylamino]-acetyl}-pyrrolidine-2-carbonitrile 521269-28-3 C22H29N5O
    (2S)-1-{[1,1-Dimethyl-2-(5-methyl-2-p-tolyl-1H-imidazol-4-yl)-ethylamino]-acetyl}-pyrrolidine-2-carbonitrile
    —— 2-iodo-4-methyl-3-nitropyridine 1163297-86-6 C6H5IN2O2
    2-iodo-4-methyl-3-nitropyridine
    —— (2R,3S,7R,8R,11R,12R)-1-t-butyldiphenylsilyloxy-11,12-(isopropylidenedioxy)-3,7-oxido-2,8-tetracosanediol 537665-73-9 C43H70O6Si
    (2R,3S,7R,8R,11R,12R)-1-t-butyldiphenylsilyloxy-11,12-(isopropylidenedioxy)-3,7-oxido-2,8-tetracosanediol
    —— (2-(2-bromophenyl)-1H-benzo[d]imidazol-5-yl)(phenyl)methanone 1449011-34-0 C20H13BrN2O
    (2-(2-bromophenyl)-1H-benzo[d]imidazol-5-yl)(phenyl)methanone
    —— (+)-(2R,5R)-1-allyl-2,5-di(4-tert-butylphenyl)pyrrolidine 1189240-17-2 C27H37N
    (+)-(2R,5R)-1-allyl-2,5-di(4-tert-butylphenyl)pyrrolidine
    —— 2-(2-hydroxy-4,6-dimethoxyphenyl)-4-(4-hydroxyphenyl)-5,7-dimethoxyflavan-3-one 74628-73-2 C25H24O8
    2-(2-hydroxy-4,6-dimethoxyphenyl)-4-(4-hydroxyphenyl)-5,7-dimethoxyflavan-3-one
    —— (2-formylamino-thiophen-3-yl)-phenyl-methanone 21582-45-6 C12H9NO2S
    (2-formylamino-thiophen-3-yl)-phenyl-methanone
    —— 2',3'-dihydro-5'-oxo-6'-(2(E)-phenylethenyl)-7'-(trimethylsilyl)spiro<1,3-dioxolane-2,1'(5'H)-indolizine> 88761-52-8 C21H25NO3Si
    2',3'-dihydro-5'-oxo-6'-(2(E)-phenylethenyl)-7'-(trimethylsilyl)spiro<1,3-dioxolane-2,1'(5'H)-indolizine>
    —— 2-(1-vinyl-4-phenyl-3-butynyl)isoindole-1,3-dione 1387573-02-5 C20H15NO2
    2-(1-vinyl-4-phenyl-3-butynyl)isoindole-1,3-dione
    —— 2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-O-[(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)]-O-(2-aceta... 143571-65-7 C86H110N2O42Si
    2-(trimethylsilyl)ethyl O-(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-O-2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-O-[(2,3,4-tri-O-acetyl-α-L-fucopyranosyl)-(1->3)]-O-(2-aceta...
    —— 2-Nitrosoimino-3-aethyl-thiazolidin 91159-75-0 C5H9N3OS
    2-Nitrosoimino-3-aethyl-thiazolidin
    —— (2S)-5-carbamimidamido-2-({[1-(2-naphthylmethyl)-2-oxo-1,2-dihydropyridin-3-yl]carbonyl}amino)pentanoic acid trifluoroacetate 1037082-90-8 C2HF3O2*C23H25N5O4
    (2S)-5-carbamimidamido-2-({[1-(2-naphthylmethyl)-2-oxo-1,2-dihydropyridin-3-yl]carbonyl}amino)pentanoic acid trifluoroacetate
    —— 2-ethyl-4-fluoro-6-(4-morpholinyl)-1-(1-naphthalenylmethyl)-1H-benzimidazole 1372540-01-6 C24H24FN3O
    2-ethyl-4-fluoro-6-(4-morpholinyl)-1-(1-naphthalenylmethyl)-1H-benzimidazole
    —— 2-methyl-5-({3-[1-(1,3-thiazol-2-ylcarbonyl)piperidin-4-yl]azetidin-1-yl}carbonyl)-1-[4-(trifluoromethyl)phenyl]-1H-benzimidazole 1373356-44-5 C28H26F3N5O2S
    2-methyl-5-({3-[1-(1,3-thiazol-2-ylcarbonyl)piperidin-4-yl]azetidin-1-yl}carbonyl)-1-[4-(trifluoromethyl)phenyl]-1H-benzimidazole
    —— 2-(4-Chlorophenyl)-1,2,4-triazolo<2',3':3,2>-thiazolo<4,5-d>-pyridazin-5-on 144563-33-7 C12H6ClN5OS
    2-(4-Chlorophenyl)-1,2,4-triazolo<2',3':3,2>-thiazolo<4,5-d>-pyridazin-5-on
    —— (2S,4R)-3-[(2R)-2-benzyloxy-3-phenylpropanoyl]-2-trifluoromethyl-4-phenyl-1,3-oxazolidine 1220352-29-3 C26H24F3NO3
    (2S,4R)-3-[(2R)-2-benzyloxy-3-phenylpropanoyl]-2-trifluoromethyl-4-phenyl-1,3-oxazolidine
    —— 2-(2,2-Dimethyl-5-oxo-2,3,4,5-tetrahydro-benzo[f][1,4]oxazepin-8-yloxy)-acetamide 144537-36-0 C13H16N2O4
    2-(2,2-Dimethyl-5-oxo-2,3,4,5-tetrahydro-benzo[f][1,4]oxazepin-8-yloxy)-acetamide
    —— 2-Chloro-6-(diethylamino)-9H-xanthen-9-on 126486-51-9 C17H16ClNO2
    2-Chloro-6-(diethylamino)-9H-xanthen-9-on
    —— 2-fluoro-O6-(trimethylsilylethyl)-inosine 1218917-31-7 C15H23FN4O5Si
    2-fluoro-O6-(trimethylsilylethyl)-inosine
    —— [(2<i>R</i>)-2<i>r</i>-but-2-enoylsulfanyl-4-oxo-3<i>c</i>-(2-phenoxy-acetylamino)-azetidin-1-yl]-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetic acid <i>tert</i>-butyl ester 73633-10-0 C39H39N2O6PS
    [(2<i>R</i>)-2<i>r</i>-but-2-enoylsulfanyl-4-oxo-3<i>c</i>-(2-phenoxy-acetylamino)-azetidin-1-yl]-(triphenyl-λ<sup>5</sup>-phosphanylidene)-acetic acid <i>tert</i>-butyl ester
    —— 2-(benzo[d]oxazol-2-ylsulfonyl)-1-(4-bromophenyl)-2,2-difluoroethanone 1241899-89-7 C15H8BrF2NO4S
    2-(benzo[d]oxazol-2-ylsulfonyl)-1-(4-bromophenyl)-2,2-difluoroethanone
    —— 2-bromo-3-fluoro-4,6-dimethyl-anisole 389-51-5 C9H10BrFO
    2-bromo-3-fluoro-4,6-dimethyl-anisole
    —— 2α,3α,22β,23β-tetrahydroxy-24α-ethyl-B-homo-6-oxa-5α-cholestan-7-one 83456-56-8 C29H50O6
    2α,3α,22β,23β-tetrahydroxy-24α-ethyl-B-homo-6-oxa-5α-cholestan-7-one
    —— (2-Hydroxymethyl-1-methyl-4,5-dihydro-1H-benzo[g]indol-3-yl)-methanol 159494-64-1 C15H17NO2
    (2-Hydroxymethyl-1-methyl-4,5-dihydro-1H-benzo[g]indol-3-yl)-methanol
    —— (2S,3R,3aS,5R,6S,7R,7aS)-ethyl 6,7-bis(benzyloxy)-5-((benzyloxy)methyl)-octahydro-2-phenylpyrano[3,2-b]pyrrole-3-carboxylate 1037825-18-5 C38H41NO6
    (2S,3R,3aS,5R,6S,7R,7aS)-ethyl 6,7-bis(benzyloxy)-5-((benzyloxy)methyl)-octahydro-2-phenylpyrano[3,2-b]pyrrole-3-carboxylate
    —— 2-(4-Chloro-phenyl)-5-isopropyl-7λ<sup>4</sup>-[1,2]dithiolo[1,5-b][1,2]dithiole 54103-47-8 C14H13ClS3
    2-(4-Chloro-phenyl)-5-isopropyl-7λ<sup>4</sup>-[1,2]dithiolo[1,5-b][1,2]dithiole
    —— 2-benzoyl-4-hydroxy-5-oxo-1-phenyl-4,5-dihydro-pyrrole-3-carboxylic acid methyl ester 53982-96-0 C19H15NO5
    2-benzoyl-4-hydroxy-5-oxo-1-phenyl-4,5-dihydro-pyrrole-3-carboxylic acid methyl ester
    —— 2,5-Bis-(anilinomethyl)-1-phenylpyrrolidin 53916-50-0 C24H27N3
    2,5-Bis-(anilinomethyl)-1-phenylpyrrolidin
    —— 2''-O-Cumaroyl-6''-O-tritylaloesin 53214-03-2 C47H42O11
    2''-O-Cumaroyl-6''-O-tritylaloesin
    —— 2-benzoylamino-3-(3-oxo-2,5-diphenyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-3-phenyl-propionic acid ethyl ester 53870-23-8 C33H29N3O4
    2-benzoylamino-3-(3-oxo-2,5-diphenyl-2,3-dihydro-1<i>H</i>-pyrazol-4-yl)-3-phenyl-propionic acid ethyl ester
    —— 2-dibenzofuran-3-yl-5-(4-methoxy-styryl)-2<i>H</i>-benzo[1,2,3]triazole 52823-16-2 C27H19N3O2
    2-dibenzofuran-3-yl-5-(4-methoxy-styryl)-2<i>H</i>-benzo[1,2,3]triazole
    —— 2-chloromethyl-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one 52692-84-9 C15H13ClN2O
    2-chloromethyl-3-phenyl-2,3-dihydro-1<i>H</i>-quinazolin-4-one
    —— 2-amino-1-methyl-1<i>H</i>-[1,3]diazepine-5,6-dicarboxylic acid dimethyl ester 52838-83-2 C10H13N3O4
    2-amino-1-methyl-1<i>H</i>-[1,3]diazepine-5,6-dicarboxylic acid dimethyl ester
    —— 2-cyclohexyl-3-methyl-3-phenyl-diaziridine-1-carboxylic acid anilide 41316-35-2 C21H25N3O
    2-cyclohexyl-3-methyl-3-phenyl-diaziridine-1-carboxylic acid anilide
    —— 2-Methyl-4-formyl-6,7-dimethoxy-1,2-dihydroizoquinoline 31588-52-0 C13H15NO3
    2-Methyl-4-formyl-6,7-dimethoxy-1,2-dihydroizoquinoline
    —— 2-<i>sec</i>-butyl-octahydro-pyrido[1,2-<i>c</i>][1,3,6]oxadiazocine 58669-52-6 C13H26N2O
    2-<i>sec</i>-butyl-octahydro-pyrido[1,2-<i>c</i>][1,3,6]oxadiazocine
    —— (2E,4E)-1-Phenyl-1,6,7,8-tetrahydro-azocine-3,4-dicarboxylic acid 3-methyl ester 55181-59-4 C16H17NO4
    (2E,4E)-1-Phenyl-1,6,7,8-tetrahydro-azocine-3,4-dicarboxylic acid 3-methyl ester
    —— 2,7-Dimethyl-2,7-naphthyridin-Dikation 48125-96-8 C10H12N2
    2,7-Dimethyl-2,7-naphthyridin-Dikation
    —— <2-<sup>14</sup>C>-4-Thiouracil 53840-67-8 C4H4N2OS
    <2-<sup>14</sup>C>-4-Thiouracil
    —— 2,4,5-Trimethyl-7-phenyl-bicyclo[4.2.0]octa-1,3,5-trien-7-ol 40910-08-5 C17H18O
    2,4,5-Trimethyl-7-phenyl-bicyclo[4.2.0]octa-1,3,5-trien-7-ol
    —— 2,4,6-Triisobutyl-1,3,5-hexahydrotriazin 41808-07-5 C15H33N3
    2,4,6-Triisobutyl-1,3,5-hexahydrotriazin
    —— 2-(5-oxo-pyrrolidin-2-ylidene)-propionic acid <i>tert</i>-butyl ester 42710-32-7 C11H17NO3
    2-(5-oxo-pyrrolidin-2-ylidene)-propionic acid <i>tert</i>-butyl ester
    —— 2-Amino-6-(2,2-diethoxyethylamino)pyridin 55463-73-5 C11H19N3O2
    2-Amino-6-(2,2-diethoxyethylamino)pyridin
    —— 2-Triethylsilyloxy-5-methylcyclohexanol 56849-16-2 C13H28O2Si
    2-Triethylsilyloxy-5-methylcyclohexanol