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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,3,3-Trifluoro-4-methyl-pentanoic acid methyl ester 66821-14-5 C7H11F3O2
    2,3,3-Trifluoro-4-methyl-pentanoic acid methyl ester
    —— 2-methyl-5-(2-phenylethyl)-6-thioxo-1,2,5-oxadiazinan-3-one 881404-88-2 C12H14N2O2S
    2-methyl-5-(2-phenylethyl)-6-thioxo-1,2,5-oxadiazinan-3-one
    —— (2-Ethyl-6-fluorophenyl)methanol 1355089-04-1 C9H11FO
    (2-Ethyl-6-fluorophenyl)methanol
    —— 2,3-Dihydro-3,3,5-trimethyl-1H-pyrano<3,2-a>phenazin 67120-49-4 C18H18N2O
    2,3-Dihydro-3,3,5-trimethyl-1H-pyrano<3,2-a>phenazin
    —— 2,3<i>t</i>-diphenyl-isoxazolidine-4<i>r</i>,5,5-tricarboxylic acid trimethyl ester 69284-46-4 C21H21NO7
    2,3<i>t</i>-diphenyl-isoxazolidine-4<i>r</i>,5,5-tricarboxylic acid trimethyl ester
    —— 2-(3',4'-Dihydroxyphenylethylamino)-methyl-1,4-dibenzylpiperazin 70403-30-4 C27H33N3O2
    2-(3',4'-Dihydroxyphenylethylamino)-methyl-1,4-dibenzylpiperazin
    —— 2-Amino-3-cyano-7-methylcyclohexa<b>pyrazin-1-oxid 63630-22-8 C10H12N4O
    2-Amino-3-cyano-7-methylcyclohexa<b>pyrazin-1-oxid
    —— 2-amino-5-fluoro-1-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-4-one 61787-12-0 C12H16FN3O5
    2-amino-5-fluoro-1-(<i>O</i><sup>2</sup>,<i>O</i><sup>3</sup>-isopropylidene-β-<i>D</i>-ribofuranosyl)-1<i>H</i>-pyrimidin-4-one
    —— 2-(4-Chloro-1-methyl-pentyloxy)-[1,2]oxaphospholane 2-oxide 68314-48-7 C9H18ClO3P
    2-(4-Chloro-1-methyl-pentyloxy)-[1,2]oxaphospholane 2-oxide
    —— 2-amino-4-<i>p</i>-tolyl-6,7-dihydro-4<i>H</i>-thiazolo[4,5-<i>d</i>]pyrimidine-5-thione 67587-97-7 C12H12N4S2
    2-amino-4-<i>p</i>-tolyl-6,7-dihydro-4<i>H</i>-thiazolo[4,5-<i>d</i>]pyrimidine-5-thione
    —— 2,2-dimethyl-2-(trimethyl-λ<sup>5</sup>-phosphanylideneamino)-2λ<sup>5</sup>-[1,2]oxaphospholane 67091-49-0 C8H21NOP2
    2,2-dimethyl-2-(trimethyl-λ<sup>5</sup>-phosphanylideneamino)-2λ<sup>5</sup>-[1,2]oxaphospholane
    —— [2-(4-fluoro-2-methyl-phenyl)-5-nitro-indol-3-ylmethyl]-dimethyl-amine 68290-57-3 C18H18FN3O2
    [2-(4-fluoro-2-methyl-phenyl)-5-nitro-indol-3-ylmethyl]-dimethyl-amine
    —— 2-cyano-3-(4-methoxy-phenyl)-3-[3-methyl-1-(4-nitro-phenyl)-5-oxo-4,5-dihydro-1<i>H</i>-pyrazol-4-yl]-propionic acid ethyl ester 70733-73-2 C23H22N4O6
    2-cyano-3-(4-methoxy-phenyl)-3-[3-methyl-1-(4-nitro-phenyl)-5-oxo-4,5-dihydro-1<i>H</i>-pyrazol-4-yl]-propionic acid ethyl ester
    —— 2-(3-Amidinobenzyliden)-2,3-dihydro-3-oxobenzo<b>thiophen*HCl 73140-10-0 C16H12N2OS*ClH
    2-(3-Amidinobenzyliden)-2,3-dihydro-3-oxobenzo<b>thiophen*HCl
    —— 2-Deutero-3-methyl-4-pyrimidinon 18542-92-2 C5H6N2O
    2-Deutero-3-methyl-4-pyrimidinon
    —— 2-[2-(3-Chloro-4-isopropoxycarbonyloxy-benzyloxycarbonylamino)-acetylamino]-3-(1H-indol-3-yl)-propionic acid 70363-02-9 C25H26ClN3O8
    2-[2-(3-Chloro-4-isopropoxycarbonyloxy-benzyloxycarbonylamino)-acetylamino]-3-(1H-indol-3-yl)-propionic acid
    —— 2-(3,4-difluoro-phenyl)-3-piperidin-1-ylmethyl-indole 68290-50-6 C20H20F2N2
    2-(3,4-difluoro-phenyl)-3-piperidin-1-ylmethyl-indole
    —— 2',3'-Isopropyliden-7-benzylinosin 69395-19-3 C20H24N4O5
    2',3'-Isopropyliden-7-benzylinosin
    —— 2-Amino-N-[(1,3-dioxo-indan-2-yl)-(4-nitro-phenyl)-methyl]-acetamide 67436-28-6 C18H15N3O5
    2-Amino-N-[(1,3-dioxo-indan-2-yl)-(4-nitro-phenyl)-methyl]-acetamide
    —— 2Z-ethoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-indan-4-yl}-acrylic acid ethyl ester 475481-39-1 C28H31NO5
    2Z-ethoxy-3-{7-[2-(5-methyl-2-phenyl-oxazol-4-yl)-ethoxy]-indan-4-yl}-acrylic acid ethyl ester
    —— 2-(3-pyridinyl)-4-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside 1012082-96-0 C21H22N2O7S
    2-(3-pyridinyl)-4-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside
    —— 2-(5-bromo-furan-2-yl)-5-furan-2-yl-[1,3,4]oxadiazole 37584-90-0 C10H5BrN2O3
    2-(5-bromo-furan-2-yl)-5-furan-2-yl-[1,3,4]oxadiazole
    —— 2-ethyl-5-methyl-imidazo[1,2-<i>a</i>]pyridine 13583-93-2 C10H12N2
    2-ethyl-5-methyl-imidazo[1,2-<i>a</i>]pyridine
    —— 2-{6-[(2,6-dichloro-3-ethylphenyl)methoxy]-2H-spiro[1-benzofuran-3,4'-piperidine]-1'-yl}acetic acid hydrochloride 1355085-07-2 C23H25Cl2NO4*ClH
    2-{6-[(2,6-dichloro-3-ethylphenyl)methoxy]-2H-spiro[1-benzofuran-3,4'-piperidine]-1'-yl}acetic acid hydrochloride
    —— 2-(3-fluoro-1-oxypyridin-4-yl)-1-methyl-5-trifluoromethyl-1H-benzimidazole 1254165-22-4 C14H9F4N3O
    2-(3-fluoro-1-oxypyridin-4-yl)-1-methyl-5-trifluoromethyl-1H-benzimidazole
    —— 2-(4-isopropylthiazol-2-yl)-5,7-dimethoxyquinolin-4-ol 1108659-15-9 C17H18N2O3S
    2-(4-isopropylthiazol-2-yl)-5,7-dimethoxyquinolin-4-ol
    —— (2,5-dimethylpyrazol-3-yl)-[5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.6]nonan-8-yl]methanone 1354625-21-0 C19H23N7O
    (2,5-dimethylpyrazol-3-yl)-[5-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-5,8-diazaspiro[2.6]nonan-8-yl]methanone
    —— 2-(trans-4'-propylbi(cyclohexane)-trans-4-yl)oxetane 1267946-46-2 C18H32O
    2-(trans-4'-propylbi(cyclohexane)-trans-4-yl)oxetane
    —— 2-(tert-butyl)-5-(2-(tert-butyl)-4-chlorophenyl)-1,3,4-oxadiazole 1442432-08-7 C16H21ClN2O
    2-(tert-butyl)-5-(2-(tert-butyl)-4-chlorophenyl)-1,3,4-oxadiazole
    —— 2-Nitro-5,6,7,8-tetrahydronaphthalin-1-sulfonylchlorid 78422-67-0 C10H10ClNO4S
    2-Nitro-5,6,7,8-tetrahydronaphthalin-1-sulfonylchlorid
    —— 2-(1,1-Dimethyl-2-naphthalen-1-yl-ethylperoxy)-ethanesulfonic acid phenyl ester 28638-30-4 C22H24O5S
    2-(1,1-Dimethyl-2-naphthalen-1-yl-ethylperoxy)-ethanesulfonic acid phenyl ester
    —— 2-amino-10,11-dihydrodibenz<b,f><1,4>oxazepine-10-carboxylic acid hydrazide 103249-09-8 C14H14N4O2
    2-amino-10,11-dihydrodibenz<b,f><1,4>oxazepine-10-carboxylic acid hydrazide
    —— 2-(3-iodophenyl)-2-oxoacetic acid 26767-04-4 C8H5IO3
    2-(3-iodophenyl)-2-oxoacetic acid
    —— (2Z,4E,6E)-7-(3-Pentyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-3-methyl-hepta-2,4,6-trienoic acid 168082-69-7 C27H38O2
    (2Z,4E,6E)-7-(3-Pentyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-3-methyl-hepta-2,4,6-trienoic acid
    —— 2-[5-bromo-6-oxo-4-[[(1R,2R,3R,5S)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]amino]pyridazin-1-yl]-N-(2-methyl-1-pyridin-4-ylpropyl)acetamide 1149582-10-4 C25H34BrN5O2
    2-[5-bromo-6-oxo-4-[[(1R,2R,3R,5S)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]amino]pyridazin-1-yl]-N-(2-methyl-1-pyridin-4-ylpropyl)acetamide
    —— [2-(3-chloro-phenylethynyl)-thiazol-5-yl]-piperidin-1-yl-methanone 1290133-84-4 C17H15ClN2OS
    [2-(3-chloro-phenylethynyl)-thiazol-5-yl]-piperidin-1-yl-methanone
    —— 2,3,4-Trismethoxycarbonyl-5-(4-methoxyphenyl)-2,5-dihydrofuran-2-carbonitrile 128935-01-3 C18H17NO8
    2,3,4-Trismethoxycarbonyl-5-(4-methoxyphenyl)-2,5-dihydrofuran-2-carbonitrile
    —— 2-[(2S,3R,4R,5S,6R)-2-(tert-Butyl-diphenyl-silanyloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-isoindole-1,3-dione 344403-87-8 C30H33NO7Si
    2-[(2S,3R,4R,5S,6R)-2-(tert-Butyl-diphenyl-silanyloxy)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-3-yl]-isoindole-1,3-dione
    —— (2R,3R,6R)-7-(tert-butyl(dimethyl)silyloxy)-1-(p-methoxybenzyloxy)-2,6-dimethyl-hept-4-en-3-ol 668461-06-1 C23H40O4Si
    (2R,3R,6R)-7-(tert-butyl(dimethyl)silyloxy)-1-(p-methoxybenzyloxy)-2,6-dimethyl-hept-4-en-3-ol
    —— 2'-azidoethyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 864270-45-1 C22H24N4O10
    2'-azidoethyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside
    —— 2-acetamido-4-O-(2-acetamido-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranosyl)-2-deoxy-5,6-isopropylidene-D-glucose diethyl acetal 70285-69-7 C44H60N2O12
    2-acetamido-4-O-(2-acetamido-3,4,6-tri-O-benzyl-2-deoxy-β-D-glucopyranosyl)-2-deoxy-5,6-isopropylidene-D-glucose diethyl acetal
    —— [2-(2,4-Dichloro-phenoxy)-acetyl]-carbamic acid 2-diethylthiocarbamoylsulfanyl-ethyl ester 29000-97-3 C16H20Cl2N2O4S2
    [2-(2,4-Dichloro-phenoxy)-acetyl]-carbamic acid 2-diethylthiocarbamoylsulfanyl-ethyl ester
    —— 2'-O-(2,2-dichloro)ethoxymethyl-5'-O-(4,4'-dimethoxytrityl)uridine 3'-(2-cyanoethyldiisopropylphosphoramidite) 1344122-74-2 C42H51Cl2N4O10P
    2'-O-(2,2-dichloro)ethoxymethyl-5'-O-(4,4'-dimethoxytrityl)uridine 3'-(2-cyanoethyldiisopropylphosphoramidite)
    —— 2-(1H-benzo[d]imidazol-5-yl)-3-(3,5-difluorophenyl)isoindolin-1-one 1276024-25-9 C21H13F2N3O
    2-(1H-benzo[d]imidazol-5-yl)-3-(3,5-difluorophenyl)isoindolin-1-one
    —— 2-(4-(5-benzylidene-4-oxo-2-((4-(p-tolyl)thiazol-2-yl)imino)thiazolidin-3-yl)butoxy)isoindoline-1,3-dione 1133387-79-7 C32H26N4O4S2
    2-(4-(5-benzylidene-4-oxo-2-((4-(p-tolyl)thiazol-2-yl)imino)thiazolidin-3-yl)butoxy)isoindoline-1,3-dione
    —— (2R,3S,5R)-5-(3-Benzooxazol-2-yl-2-hydroxy-phenyl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-ol 870181-69-4 C39H35NO7
    (2R,3S,5R)-5-(3-Benzooxazol-2-yl-2-hydroxy-phenyl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-ol
    —— 2-methylsulfanyl-5,5-dioxo-3,4-diphenyl-5<i>H</i>-5λ<sup>6</sup>-benzo[4,5]thieno[3,2-<i>d</i>]pyrimidinium; iodide 63114-41-0 C23H17N2O2S2*I
    2-methylsulfanyl-5,5-dioxo-3,4-diphenyl-5<i>H</i>-5λ<sup>6</sup>-benzo[4,5]thieno[3,2-<i>d</i>]pyrimidinium; iodide
    —— (2S,4R)-1-(3-amino-4-chlorobenzoyl)-N-[(4-chlorophenyl)methyl]-4-hydroxypyrrolidine-2-carboxamide 1448186-70-6 C19H19Cl2N3O3
    (2S,4R)-1-(3-amino-4-chlorobenzoyl)-N-[(4-chlorophenyl)methyl]-4-hydroxypyrrolidine-2-carboxamide
    —— (2S<sup>*</sup>,3R<sup>*</sup>,6Z)-1-(Benzyloxy)-3-iodo-6-nonen-2-ol 136185-66-5 C16H23IO2
    (2S<sup>*</sup>,3R<sup>*</sup>,6Z)-1-(Benzyloxy)-3-iodo-6-nonen-2-ol
    —— 2,3,8,9-tetramethoxy-6-methylbenzo<c>phenanthridine 114254-22-7 C22H21NO4
    2,3,8,9-tetramethoxy-6-methylbenzo<c>phenanthridine