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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Chlor-4,5-methylendioxybenzylanilin 41001-82-5 C14H12ClNO2
    2-Chlor-4,5-methylendioxybenzylanilin
    —— 2,4,7-tribromo-10<i>H</i>-acridin-9-one 855942-89-1 C13H6Br3NO
    2,4,7-tribromo-10<i>H</i>-acridin-9-one
    —— 2,8-dicyclohexyl-3,7-dimethyl-4H,6H-pyrano[3,2-g]chromene-4,6-dione 1246558-07-5 C26H30O4
    2,8-dicyclohexyl-3,7-dimethyl-4H,6H-pyrano[3,2-g]chromene-4,6-dione
    —— (2-fluoroquinolin-3-yl)lithium 136505-63-0 C9H5FLiN
    (2-fluoroquinolin-3-yl)lithium
    —— (2S)-2-[(4-nitrophenoxy)carbonylamino]propanoic acid 613675-91-5 C10H10N2O6
    (2S)-2-[(4-nitrophenoxy)carbonylamino]propanoic acid
    —— (2-phenyl-1-(tripropoxysilyl)hydrazineyl)titanium(V) chloride 122953-88-2 C15H28Cl4N2O3SiTi
    (2-phenyl-1-(tripropoxysilyl)hydrazineyl)titanium(V) chloride
    —— 2-[(S)-4,4-dimethyl-2-(fluoren-9-ylmethyloxycarbonylamino)pentanoyl-amino]-5-[(3aS,4S,6aR)-5-(hexahydro-2-oxothieno[3,4-d]imidazol-4-yl)-pentanoylamino]terephthalic acid 1-(4-methoxybenzyl)amide 4-[1-(methoxycarbonyl)-1-methylethyl]amide 1146730-53-1 C53H63N7O10S
    2-[(S)-4,4-dimethyl-2-(fluoren-9-ylmethyloxycarbonylamino)pentanoyl-amino]-5-[(3aS,4S,6aR)-5-(hexahydro-2-oxothieno[3,4-d]imidazol-4-yl)-pentanoylamino]terephthalic acid 1-(4-methoxybenzyl)amide 4-[1-(methoxycarbonyl)-1-methylethyl]amide
    —— 2-(2,6-dimethoxy-phenyl)-5-methyl-3-(4-trifluoromethoxy-benzyl)-thiazolidin-4-one 1255930-79-0 C20H20F3NO4S
    2-(2,6-dimethoxy-phenyl)-5-methyl-3-(4-trifluoromethoxy-benzyl)-thiazolidin-4-one
    —— 2-methyl-2,3-dihydro-1H-isoquinolin-4-one-(2,4-dinitro-phenylhydrazone) 101285-69-2 C16H15N5O4
    2-methyl-2,3-dihydro-1H-isoquinolin-4-one-(2,4-dinitro-phenylhydrazone)
    —— 2-(trimethylsilyl)ethyl 6-bromo-3-O-(tert-butyldimethylsilyl)-2,6-dideoxy-2-phenylseleno-β-D-glucopyranoside 192653-59-1 C23H41BrO4SeSi2
    2-(trimethylsilyl)ethyl 6-bromo-3-O-(tert-butyldimethylsilyl)-2,6-dideoxy-2-phenylseleno-β-D-glucopyranoside
    —— 2α,3α-epoxy-24(R)-ethyl-5α-cholestan-6-one 178394-80-4 C29H48O2
    2α,3α-epoxy-24(R)-ethyl-5α-cholestan-6-one
    —— [2-chloro-4-[[4-cyano-3-thiophen-3-yl-N-(1,2,4-triazol-4-yl)anilino]methyl]phenyl] sulfamate 1268821-86-8 C20H15ClN6O3S2
    [2-chloro-4-[[4-cyano-3-thiophen-3-yl-N-(1,2,4-triazol-4-yl)anilino]methyl]phenyl] sulfamate
    —— 2,2-d2-2-(4-(1,1-d2-isobutoxy)phenyl)acetic acid 1080497-20-6 C12H16O3
    2,2-d2-2-(4-(1,1-d2-isobutoxy)phenyl)acetic acid
    —— (2<i>E</i>,6<i>Z</i>)-10-hydroxy-2,6,10-trimethyl-dodeca-2,6,11-trienal 54003-11-1 C15H24O2
    (2<i>E</i>,6<i>Z</i>)-10-hydroxy-2,6,10-trimethyl-dodeca-2,6,11-trienal
    —— 2,5-dioxopyrrolidin-1-yl (2-(naphthalen-2-yl)acetyl)-L-phenylalaninate 1038820-40-4 C25H22N2O5
    2,5-dioxopyrrolidin-1-yl (2-(naphthalen-2-yl)acetyl)-L-phenylalaninate
    —— (((2R,4R,5R,6R)-4-(1,3-dithian-2-yl)-2-phenyl-6-(((triisopropylsilyl)oxy)methyl)-1,3-dioxan-5-yl)oxy)(tert-butyl)dimethylsilane 954106-06-0 C30H54O4S2Si2
    (((2R,4R,5R,6R)-4-(1,3-dithian-2-yl)-2-phenyl-6-(((triisopropylsilyl)oxy)methyl)-1,3-dioxan-5-yl)oxy)(tert-butyl)dimethylsilane
    —— 2-[[4-(2,4-dimethyl-1,3-thiazol-5-yl)-1,3-thiazol-2-yl]amino]-5-[(4-methoxyphenyl)methylidene]-1,3-thiazol-4-one 1210461-50-9 C19H16N4O2S3
    2-[[4-(2,4-dimethyl-1,3-thiazol-5-yl)-1,3-thiazol-2-yl]amino]-5-[(4-methoxyphenyl)methylidene]-1,3-thiazol-4-one
    —— 2-((E)-2-Phenyl-4-trimethylsilanyl-but-1-en-3-ynyl)-pyridine 1-oxide 127391-32-6 C18H19NOSi
    2-((E)-2-Phenyl-4-trimethylsilanyl-but-1-en-3-ynyl)-pyridine 1-oxide
    —— (2,2-Dimethyl-3,6-dihydro-2H-pyran-4-ylethynyl)-phosphonic acid dipropyl ester 77526-30-8 C15H25O4P
    (2,2-Dimethyl-3,6-dihydro-2H-pyran-4-ylethynyl)-phosphonic acid dipropyl ester
    —— 2-(9-biphenyl-9-tolyl-fluorene)pinacol boronate 1204764-33-9 C38H35BO2
    2-(9-biphenyl-9-tolyl-fluorene)pinacol boronate
    —— <2-(1-chloroethoxy)vinyl>phosphonic dichloride 6172-21-0 C4H6Cl3O2P
    <2-(1-chloroethoxy)vinyl>phosphonic dichloride
    —— 2,8-dimethyl-5-quinolin-3-ylethynyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole 1393915-60-0 C24H21N3
    2,8-dimethyl-5-quinolin-3-ylethynyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole
    —— 2-isopropyl-2-(pyridin-2-ylethynyl)-2H-furo-[3,2-g]chromene-3,7-dione 1422972-04-0 C21H15NO4
    2-isopropyl-2-(pyridin-2-ylethynyl)-2H-furo-[3,2-g]chromene-3,7-dione
    —— 2-hydroxyethyl methyl phosphoric acid, octadecyl ester 145048-69-7 C21H45O5P
    2-hydroxyethyl methyl phosphoric acid, octadecyl ester
    —— 2-(3-methylbut-1-ynyl)propane-1,3-diol 138436-14-3 C8H14O2
    2-(3-methylbut-1-ynyl)propane-1,3-diol
    —— 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranoside 114718-47-7 C68H54O19
    2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranoside
    —— 2-Chlor-1-ethoxycarbonylamino-6-hepten 69131-00-6 C10H18ClNO2
    2-Chlor-1-ethoxycarbonylamino-6-hepten
    —— 2-methoxy-4-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethylsulfanyl)-6-morpholin-4-yl-[1,3,5]triazine 66961-89-5 C13H17N7O4S
    2-methoxy-4-(1-methyl-5-nitro-1<i>H</i>-imidazol-2-ylmethylsulfanyl)-6-morpholin-4-yl-[1,3,5]triazine
    —— (2S)-5-({[(1R)-1-(isobutyryloxy)ethoxy]carbonyl}amino)-2-{[1-(trans-4-methylcyclohexyl)-1H-imidazol-4-yl]methyl}valeric acid 1335138-79-8 C23H37N3O6
    (2S)-5-({[(1R)-1-(isobutyryloxy)ethoxy]carbonyl}amino)-2-{[1-(trans-4-methylcyclohexyl)-1H-imidazol-4-yl]methyl}valeric acid
    —— 2-naphthoylazo-p-nitrobenzene 67407-18-5 C17H11N3O3
    2-naphthoylazo-p-nitrobenzene
    —— 2-p-Toluolsulfonylamino-4-phenyl-3,4-dihydro-pyrimido<4,5-b>indol 66156-49-8 C23H20N4O2S
    2-p-Toluolsulfonylamino-4-phenyl-3,4-dihydro-pyrimido<4,5-b>indol
    —— 2-(2,6-dichloro-4-hydroxyphenyl)-4-(3-benzyloxy-4-fluorophenyl)-5-(2-methylthiopyrimidin-4-yl)-N-H-imidazole 616197-45-6 C27H19Cl2FN4O2S
    2-(2,6-dichloro-4-hydroxyphenyl)-4-(3-benzyloxy-4-fluorophenyl)-5-(2-methylthiopyrimidin-4-yl)-N-H-imidazole
    —— 2,3,5-Trichlor-tetrahydrofuran 17557-39-0 C4H5Cl3O
    2,3,5-Trichlor-tetrahydrofuran
    —— 2-Methoxy-3-nonyl-Δ<sup>3</sup>-chromen 66898-55-3 C19H28O2
    2-Methoxy-3-nonyl-Δ<sup>3</sup>-chromen
    —— 2,2-difluoro-2-(m-tolyl)acetic acid 1038247-17-4 C9H8F2O2
    2,2-difluoro-2-(m-tolyl)acetic acid
    —— 2-(3-oxo-oct-7-enyl)-4-t-butyl-cyclohexanone 125632-29-3 C18H30O2
    2-(3-oxo-oct-7-enyl)-4-t-butyl-cyclohexanone
    —— 2-[2-(4-fluoro-phenyl)-2-hydroxy-acetylamino]-N-(5-phenyl-2H-pyrazol-3-yl)-propionamide 681486-51-1 C20H19FN4O3
    2-[2-(4-fluoro-phenyl)-2-hydroxy-acetylamino]-N-(5-phenyl-2H-pyrazol-3-yl)-propionamide
    —— 2-amino-3,6-dimethyl-4-(3'-nitrophenyl)-3,4-dihydropyridine-3,5-dicarboxylic acid 3-isopropyl ester-5-ethyl ester 54344-52-4 C20H25N3O6
    2-amino-3,6-dimethyl-4-(3'-nitrophenyl)-3,4-dihydropyridine-3,5-dicarboxylic acid 3-isopropyl ester-5-ethyl ester
    —— 2-(p-Hydroxyphenoxy)-2-methylpropionsaeure-ethylester-p-toluolsulfonat 52052-32-1 C19H22O6S
    2-(p-Hydroxyphenoxy)-2-methylpropionsaeure-ethylester-p-toluolsulfonat
    —— 2-(1-Phosphono-ethylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester; compound with benzylamine 70858-92-3 C7H9N*C15H21N2O6P
    2-(1-Phosphono-ethylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester; compound with benzylamine
    —— 2-diazo-6-methylene-1,3-cyclooctadienone 123766-59-6 C9H10N2O2
    2-diazo-6-methylene-1,3-cyclooctadienone
    —— 2,3-bis-(4-bromo-phenyl)-2-nitro-succinonitrile 859962-02-0 C16H9Br2N3O2
    2,3-bis-(4-bromo-phenyl)-2-nitro-succinonitrile
    —— 2-(5-benzyl-6-oxo-3-phenyl-6<i>H</i>-pyridazin-1-yl)-acetamide 64658-01-1 C19H17N3O2
    2-(5-benzyl-6-oxo-3-phenyl-6<i>H</i>-pyridazin-1-yl)-acetamide
    —— 2-phenyl-5-piperidine-8-nitroindolizine 66186-57-0 C19H19N3O2
    2-phenyl-5-piperidine-8-nitroindolizine
    —— 2.2'.3.3'.5.5'.6.6'-Octafluor-diphenyl-ether 135736-98-0 C12H2F8O
    2.2'.3.3'.5.5'.6.6'-Octafluor-diphenyl-ether
    —— (2,2-Dimethyl-2H-chromen-7-yl)-(3-methoxy-4-methyl-phenyl)-amine 138842-71-4 C19H21NO2
    (2,2-Dimethyl-2H-chromen-7-yl)-(3-methoxy-4-methyl-phenyl)-amine
    —— 2-(4-methyl-1,2,5-oxadiazol-3-yl)-1-[5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.6]nonan-8-yl]ethanone 1354626-26-8 C18H21N7O2
    2-(4-methyl-1,2,5-oxadiazol-3-yl)-1-[5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.6]nonan-8-yl]ethanone
    —— 2,6-Dimethyl-4-(3-methyl-1,4-dioxy-quinoxalin-2-yl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester 138969-97-8 C22H25N3O6
    2,6-Dimethyl-4-(3-methyl-1,4-dioxy-quinoxalin-2-yl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester
    —— 2-((1S,2R,4R)-2-Hydroxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethanesulfonyl)-1-phenyl-ethanone 129840-07-9 C18H24O4S
    2-((1S,2R,4R)-2-Hydroxy-7,7-dimethyl-bicyclo[2.2.1]hept-1-ylmethanesulfonyl)-1-phenyl-ethanone
    —— (2R)-N-(3,4-dioxo-1-phenyl-4-(2-(pyridin-2-yl)ethylamino)butan-2-yl)-5-oxo-1-(2-(trifluoromethyl)benzyl)pyrrolidine-2-carboxamide 1254698-59-3 C30H29F3N4O4
    (2R)-N-(3,4-dioxo-1-phenyl-4-(2-(pyridin-2-yl)ethylamino)butan-2-yl)-5-oxo-1-(2-(trifluoromethyl)benzyl)pyrrolidine-2-carboxamide