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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-dichloromethylene-4-isobutyl-2<i>H</i>-oxazol-5-one 15167-37-0 C8H9Cl2NO2
    2-dichloromethylene-4-isobutyl-2<i>H</i>-oxazol-5-one
    —— 2-(2-hydroxy-naphthalen-1-ylazo)-3-methyl-4,5-dihydro-thiazolium betaine 101501-56-8 C14H13N3OS
    2-(2-hydroxy-naphthalen-1-ylazo)-3-methyl-4,5-dihydro-thiazolium betaine
    —— (2-trimethylsilyl) O-(2,3-di-O-benzoyl-6-O-benzyl-β-D-[13C6]galactopyranosyl)-(1-4)-2,3,6-tri-O-benzyl-β-D-[<sup>13</sup>C<sub>6</sub>]glucopyranoside 213020-79-2 C59H66O13Si
    (2-trimethylsilyl) O-(2,3-di-O-benzoyl-6-O-benzyl-β-D-[13C6]galactopyranosyl)-(1-4)-2,3,6-tri-O-benzyl-β-D-[<sup>13</sup>C<sub>6</sub>]glucopyranoside
    —— 2-chloro-N-{(3S)-1-[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]pyrrolidinyl}acetamide 1188914-29-5 C22H25ClF2N8O3
    2-chloro-N-{(3S)-1-[4-[2-(difluoromethyl)-4-methoxy-1H-benzimidazol-1-yl]-6-(4-morpholinyl)-1,3,5-triazin-2-yl]pyrrolidinyl}acetamide
    —— 2,3-dibromo-4-hydroxy-1-phenyl-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester 952393-44-1 C16H12Br2N2O3
    2,3-dibromo-4-hydroxy-1-phenyl-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester
    —— 2-[[5-Chloro-4-[6-(oxan-4-ylmethylamino)pyrazin-2-yl]pyridin-2-yl]amino]ethanol 1263371-75-0 C17H22ClN5O2
    2-[[5-Chloro-4-[6-(oxan-4-ylmethylamino)pyrazin-2-yl]pyridin-2-yl]amino]ethanol
    —— 2-[3-Methoxy-4-(1,2,3,4-tetrahydronaphthalen-1-yloxy)phenyl]imidazo[1,2-a]pyridine 1195386-64-1 C24H22N2O2
    2-[3-Methoxy-4-(1,2,3,4-tetrahydronaphthalen-1-yloxy)phenyl]imidazo[1,2-a]pyridine
    —— (2S)-1-[(4-methoxy-2,6-dimethylphenyl)sulfonyl]-2-[[4-(4-pyrazin-2-yloxypiperidin-1-yl)pyrimidin-2-yl]oxymethyl]-2,3-dihydro-1H-indole 1224585-14-1 C31H34N6O5S
    (2S)-1-[(4-methoxy-2,6-dimethylphenyl)sulfonyl]-2-[[4-(4-pyrazin-2-yloxypiperidin-1-yl)pyrimidin-2-yl]oxymethyl]-2,3-dihydro-1H-indole
    —— 2-[(2R,3S)-2-Acetylsulfanyl-3-((R)-1-hydroxy-ethyl)-4-oxo-azetidin-1-yl]-3-methyl-but-2-enoic acid acetoxymethyl ester 138252-74-1 C15H21NO7S
    2-[(2R,3S)-2-Acetylsulfanyl-3-((R)-1-hydroxy-ethyl)-4-oxo-azetidin-1-yl]-3-methyl-but-2-enoic acid acetoxymethyl ester
    —— 2-[N-methyl-N-(3'-(p-methoxyphenyl)prop-2'-ynyl)amino]-N'-p-tolyl benzamide 371258-57-0 C25H24N2O2
    2-[N-methyl-N-(3'-(p-methoxyphenyl)prop-2'-ynyl)amino]-N'-p-tolyl benzamide
    —— 2-{1-[(Z)-1,2-Bis-(4-methoxy-phenyl)-vinyl]-hexyloxy}-tetrahydro-pyran 104581-56-8 C27H36O4
    2-{1-[(Z)-1,2-Bis-(4-methoxy-phenyl)-vinyl]-hexyloxy}-tetrahydro-pyran
    —— (2R,3S,5R,6S)-2-Aminomethyl-6-methoxy-tetrahydro-pyran-3,5-diol 69477-53-8 C7H15NO4
    (2R,3S,5R,6S)-2-Aminomethyl-6-methoxy-tetrahydro-pyran-3,5-diol
    —— 2-((1S,2R,4R)-2-Methoxymethoxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethylselanyl)-benzoic acid ethyl ester 218623-42-8 C21H30O4Se
    2-((1S,2R,4R)-2-Methoxymethoxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethylselanyl)-benzoic acid ethyl ester
    —— [2-chloro-4-(3-chloro-phenylamino)-phenyl]-(2-methyl-5-nitro-phenyl)-methanone 1056188-06-7 C20H14Cl2N2O3
    [2-chloro-4-(3-chloro-phenylamino)-phenyl]-(2-methyl-5-nitro-phenyl)-methanone
    —— (2S,3S)-3-(2-Hydroxy-ethyl)-2-isopropenyl-1-pyrrolidin-1-yl-decan-1-one 107365-04-8 C19H35NO2
    (2S,3S)-3-(2-Hydroxy-ethyl)-2-isopropenyl-1-pyrrolidin-1-yl-decan-1-one
    —— 2,4-Dibrom-5-tert-butyl-1,3-dineopentyl-benzol 40584-77-8 C20H32Br2
    2,4-Dibrom-5-tert-butyl-1,3-dineopentyl-benzol
    —— (2S,3S,4S,5R)-6-Amino-2,3,4,5-tetrahydroxy-hexanoic acid methyl ester; hydrochloride 120139-10-8 C7H15NO6*ClH
    (2S,3S,4S,5R)-6-Amino-2,3,4,5-tetrahydroxy-hexanoic acid methyl ester; hydrochloride
    —— 2-(1-Bromethyliden)-1,1,3,3-tetramethylcyclobutan 66438-92-4 C10H17Br
    2-(1-Bromethyliden)-1,1,3,3-tetramethylcyclobutan
    —— 2-Thioxo-2,3-dihydro-benzooxazole-5-sulfonic acid methylamide 24962-78-5 C8H8N2O3S2
    2-Thioxo-2,3-dihydro-benzooxazole-5-sulfonic acid methylamide
    —— 2-{N'-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-hydrazino}-N-[4-(4-nitro-phenylsulfanyl)-phenyl]-acetamide 71921-42-1 C21H17ClN4O3S
    2-{N'-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-hydrazino}-N-[4-(4-nitro-phenylsulfanyl)-phenyl]-acetamide
    —— (2-Dimethylamino-ethyl)-octanoyllactat 73231-96-6 C15H29NO4
    (2-Dimethylamino-ethyl)-octanoyllactat
    —— 2,2',6-Trihydroxy-dibenzoylmethan 70705-65-6 C15H12O5
    2,2',6-Trihydroxy-dibenzoylmethan
    —— 2β-Brom-15,16-dimethoxy-1,7-cyclo-cis-erythrinan-8-on 70635-93-7 C18H20BrNO3
    2β-Brom-15,16-dimethoxy-1,7-cyclo-cis-erythrinan-8-on
    —— 2-butyl-4,5-dimethoxybenzoic acid 64957-69-3 C13H18O4
    2-butyl-4,5-dimethoxybenzoic acid
    —— 2-(p-methylphenyl)-1,3-dithiane-1-oxide 141118-38-9 C11H14OS2
    2-(p-methylphenyl)-1,3-dithiane-1-oxide
    —— (2R,3S)-2-Allyloxy-5-methyl-1-triisopropylsilanyloxy-hex-5-en-3-ol 865540-37-0 C19H38O3Si
    (2R,3S)-2-Allyloxy-5-methyl-1-triisopropylsilanyloxy-hex-5-en-3-ol
    —— 2-cyano-N-(2,6-dimethyl-4-oxoquinazolin-3-yl)-3-(3-hydroxyphenyl)prop-2-enamide 1382052-15-4 C20H16N4O3
    2-cyano-N-(2,6-dimethyl-4-oxoquinazolin-3-yl)-3-(3-hydroxyphenyl)prop-2-enamide
    —— 2-N-(N,N-dimethylaminomethylidenyl)-N1-benzoyl-7-deaza-7-iodo-2'-deoxyguanosine 1288998-93-5 C21H22IN5O5
    2-N-(N,N-dimethylaminomethylidenyl)-N1-benzoyl-7-deaza-7-iodo-2'-deoxyguanosine
    —— 2-cyclohexenone-3-ylmalonodinitrile 187756-90-7 C9H8N2O
    2-cyclohexenone-3-ylmalonodinitrile
    —— (2E)-N-(2-iodophenyl)-5-amino-2-methyl-5-phenyl-2-penten-1-ol acetate 838828-50-5 C20H22INO2
    (2E)-N-(2-iodophenyl)-5-amino-2-methyl-5-phenyl-2-penten-1-ol acetate
    —— 2,7-Ditert-butyl-4-propylpyrene 129332-99-6 C27H32
    2,7-Ditert-butyl-4-propylpyrene
    —— 2,3-dimethyl-4-(methyl-13C)isoxazol-5(2H)-one 1046811-57-7 C6H9NO2
    2,3-dimethyl-4-(methyl-13C)isoxazol-5(2H)-one
    —— 2-[(2S)-3-[tert-butyl(diphenyl)silyl]oxy-2-methylpropyl]propane-1,3-diol 1036278-68-8 C23H34O3Si
    2-[(2S)-3-[tert-butyl(diphenyl)silyl]oxy-2-methylpropyl]propane-1,3-diol
    —— (2E)-4-oxo-4-{[4-(trifluoromethoxy)phenyl]amino}but-2-enoic acid 298217-69-3 C11H8F3NO4
    (2E)-4-oxo-4-{[4-(trifluoromethoxy)phenyl]amino}but-2-enoic acid
    —— 2'-Azido-4-methyl-4'-acetyl-diphenylsulfid 19778-71-3 C15H13N3OS
    2'-Azido-4-methyl-4'-acetyl-diphenylsulfid
    —— [2-(4-chloro-styryl)-thiazol-4-yl]-acetic acid 31109-22-5 C13H10ClNO2S
    [2-(4-chloro-styryl)-thiazol-4-yl]-acetic acid
    —— 2-Azido-2'-methoxy-4-acetyl-diphenylsulfid 19688-66-5 C15H13N3O2S
    2-Azido-2'-methoxy-4-acetyl-diphenylsulfid
    —— 2,4-dimethoxy-tetrahydro-pyran 940928-44-9 C7H14O3
    2,4-dimethoxy-tetrahydro-pyran
    —— 2-[2-(2-prop-2-enoxyethoxy)ethoxy]aniline 188650-14-8 C13H19NO3
    2-[2-(2-prop-2-enoxyethoxy)ethoxy]aniline
    —— 2-(2-iodoethyl)cycloheptan-1-one 77070-52-1 C9H15IO
    2-(2-iodoethyl)cycloheptan-1-one
    —— 2-(2-(((4-methoxyphenyl)-diphenylmethyl)-amino)-ethylamino)ethanol 204692-16-0 C24H28N2O2
    2-(2-(((4-methoxyphenyl)-diphenylmethyl)-amino)-ethylamino)ethanol
    —— 2-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)methyl]-2,8-diazaspiro[4.5]decane hydrochloric acid salt 929302-17-0 C19H28N2O*ClH
    2-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)methyl]-2,8-diazaspiro[4.5]decane hydrochloric acid salt
    —— 2-amino-4,5-dihydro-4-(2-nitrophenyl)pyrano[3,2-b]indole-3-carbonitrile 1385032-08-5 C18H12N4O3
    2-amino-4,5-dihydro-4-(2-nitrophenyl)pyrano[3,2-b]indole-3-carbonitrile
    —— 2-Methyl-5-vinyl-dihydro-furan-3-one 75526-63-5 C7H10O2
    2-Methyl-5-vinyl-dihydro-furan-3-one
    —— 2-{4-[(4-Chloro-phenyl)-ethoxycarbonyl-methoxy]-phenyl}-propionic acid methyl ester 77143-73-8 C20H21ClO5
    2-{4-[(4-Chloro-phenyl)-ethoxycarbonyl-methoxy]-phenyl}-propionic acid methyl ester
    —— 2-(7-oxo-4-tosyl-1,4-diazepan-5-yl)acetic acid 828926-29-0 C14H18N2O5S
    2-(7-oxo-4-tosyl-1,4-diazepan-5-yl)acetic acid
    —— 2-[4-[(3,4-Dichlorophenyl)sulfonylamino]pyridin-3-yl]oxybenzoic acid 1237502-91-8 C18H12Cl2N2O5S
    2-[4-[(3,4-Dichlorophenyl)sulfonylamino]pyridin-3-yl]oxybenzoic acid
    —— 2-(2-amino-phenyl)-6-methoxy-quinoline-5,8-diol 61472-45-5 C16H14N2O3
    2-(2-amino-phenyl)-6-methoxy-quinoline-5,8-diol
    —— 2-(4-fluoro-phenyl)-4-oxo-3,4-dihydro-2H-pyridine-1-carboxylic acid (2-methoxy-phenyl)-amide 1232687-68-1 C19H17FN2O3
    2-(4-fluoro-phenyl)-4-oxo-3,4-dihydro-2H-pyridine-1-carboxylic acid (2-methoxy-phenyl)-amide
    —— 2,3,5,6-tetra-O-acetyl-1,4-anhydro-4-seleno-D-galactitol 874793-35-8 C14H20O8Se
    2,3,5,6-tetra-O-acetyl-1,4-anhydro-4-seleno-D-galactitol