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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,2-di-n-butyl-benzo-1,3,2-dioxastannine 84140-54-5 C15H24O2Sn
    2,2-di-n-butyl-benzo-1,3,2-dioxastannine
    —— 2-[1-(3,4-Dichloro-phenyl)-ethyl]-5-methyl-2,4-dihydro-pyrazol-3-one 55294-04-7 C12H12Cl2N2O
    2-[1-(3,4-Dichloro-phenyl)-ethyl]-5-methyl-2,4-dihydro-pyrazol-3-one
    —— 2-Oxo-4-carboxymethyl-1,3-dimethyl-imidazolin 24044-21-1 C7H10N2O3
    2-Oxo-4-carboxymethyl-1,3-dimethyl-imidazolin
    —— 2,4,6,8-Tetratert-butyl-1,3,5,7,2,4,6,8-tetrathiatetragallocane 135283-83-9 C16H36Ga4S4
    2,4,6,8-Tetratert-butyl-1,3,5,7,2,4,6,8-tetrathiatetragallocane
    —— 2-methyl-6-<i>m</i>-tolyloxy-1-oxa-4-aza-spiro[4.5]decan-3-one 59798-70-8 C16H21NO3
    2-methyl-6-<i>m</i>-tolyloxy-1-oxa-4-aza-spiro[4.5]decan-3-one
    —— 2-Chloromethyl-3-iodo-2-methyl-cyclohexanone 136551-63-8 C8H12ClIO
    2-Chloromethyl-3-iodo-2-methyl-cyclohexanone
    —— 2-benzyl-5-hydroxy-4-(7-methoxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-6-pyrrolidin-1-yl-2H-pyridazin-3-one 1044277-15-7 C23H23N5O5S
    2-benzyl-5-hydroxy-4-(7-methoxy-1,1-dioxo-1,2-dihydro-1λ6-benzo[1,2,4]thiadiazin-3-yl)-6-pyrrolidin-1-yl-2H-pyridazin-3-one
    —— (2R,3R,3aR,6aR)-2-ethyl-3-hydroxy-3,3a-dimethyl-4,6a-dihydro-2H-furo[2,3-b]furan-5-one 130684-57-0 C10H16O4
    (2R,3R,3aR,6aR)-2-ethyl-3-hydroxy-3,3a-dimethyl-4,6a-dihydro-2H-furo[2,3-b]furan-5-one
    —— 2-(4-Chloro-benzyl)-6-methyl-1H-pyrimidin-4-one 66744-18-1 C12H11ClN2O
    2-(4-Chloro-benzyl)-6-methyl-1H-pyrimidin-4-one
    —— 2,3,5-trichloro-6-ethoxy-4-methyl-pyridine 29168-08-9 C8H8Cl3NO
    2,3,5-trichloro-6-ethoxy-4-methyl-pyridine
    —— 2-benzyl-2,3-dihydro-1<i>H</i>-isoquinolin-4-one oxime 53667-20-2 C16H16N2O
    2-benzyl-2,3-dihydro-1<i>H</i>-isoquinolin-4-one oxime
    —— 2-[2-Chloro-3-(difluoromethoxy)-4-pyridinyl]cyclopropaneacetonitrile 405143-47-7 C11H9ClF2N2O
    2-[2-Chloro-3-(difluoromethoxy)-4-pyridinyl]cyclopropaneacetonitrile
    —— 2,2,4-Trimethyl-5-nitro-1,2,3,4-tetrahydrochinolin 58061-20-4 C12H16N2O2
    2,2,4-Trimethyl-5-nitro-1,2,3,4-tetrahydrochinolin
    —— 2,2,2-trifluoro-<i>N</i>-methyl-<i>N</i>-[2-(4-nitro-phenyl)-oxazol-5-yl]-acetamide 51769-78-9 C12H8F3N3O4
    2,2,2-trifluoro-<i>N</i>-methyl-<i>N</i>-[2-(4-nitro-phenyl)-oxazol-5-yl]-acetamide
    —— 2-(3-carboxy-4-chlorophenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid 5637-40-1 C16H8ClNO6
    2-(3-carboxy-4-chlorophenyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid
    —— 2,3,8,9-Tetrahydrobenzo<1,2-b:6,5-b'>dipyran 61479-46-7 C12H14O2
    2,3,8,9-Tetrahydrobenzo<1,2-b:6,5-b'>dipyran
    —— 2-morpholin-4-yl-ethanesulfonic acid propyl ester 27919-16-0 C9H19NO4S
    2-morpholin-4-yl-ethanesulfonic acid propyl ester
    —— 2-methyl-3-(p-nitroanilino)-6-bromo-4(3H)-quinazolone 85226-38-6 C15H11BrN4O3
    2-methyl-3-(p-nitroanilino)-6-bromo-4(3H)-quinazolone
    —— 2-O-acetyl-1-O-(2-O-acetyl-3,4,6-tri-O-benzyl-β-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranose 80738-60-9 C58H62O13
    2-O-acetyl-1-O-(2-O-acetyl-3,4,6-tri-O-benzyl-β-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranose
    —— (2S,3S,4R,5R)-4-acetyloxy-5-(4-benzamido-2-oxopyrimidin-1-yl)-3-[(1,3-dioxoisoindol-2-yl)oxymethyl]oxolane-2-carboxylic acid 1332695-44-9 C27H22N4O10
    (2S,3S,4R,5R)-4-acetyloxy-5-(4-benzamido-2-oxopyrimidin-1-yl)-3-[(1,3-dioxoisoindol-2-yl)oxymethyl]oxolane-2-carboxylic acid
    —— ((2R<sup>*</sup>,3S<sup>*</sup>)-(+/-)-2,3-dihydro-2,3-dimethyl-3,4-dimethoxybenzo<b>furan-2-yl)hydroperoxide 135831-61-7 C12H16O5
    ((2R<sup>*</sup>,3S<sup>*</sup>)-(+/-)-2,3-dihydro-2,3-dimethyl-3,4-dimethoxybenzo<b>furan-2-yl)hydroperoxide
    —— 2-amino-3-(4-dimethylaminobenzoyl)-7H-dibenzo[de,h]quinolin-7-one 1261279-45-1 C25H19N3O2
    2-amino-3-(4-dimethylaminobenzoyl)-7H-dibenzo[de,h]quinolin-7-one
    —— 2-({4-[3-(dimethylamino)propoxy]-3-methoxyphenyl}amino)-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one 1242151-45-6 C27H26N8O3S
    2-({4-[3-(dimethylamino)propoxy]-3-methoxyphenyl}amino)-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one
    —— 2-({4-[3-(dimethylamino)-1-hydroxypropyl]phenyl}amino)-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one 1242151-42-3 C26H24N8O2S
    2-({4-[3-(dimethylamino)-1-hydroxypropyl]phenyl}amino)-7-(1,3-thiazol-2-yl)pyrimido[4',5':4,5]pyrimido[1,2-b]indazol-5(7H)-one
    —— 2-(2-Piperidin)-ethansulfonsaeure 4944-17-6 C7H15NO3S
    2-(2-Piperidin)-ethansulfonsaeure
    —— 2-Diethoxymethyl-6-[(E)-1-methyl-3-(2,6,6-trimethyl-cyclohex-1-enyl)-allyl]-thiopyran-4-one 84071-80-7 C23H34O3S
    2-Diethoxymethyl-6-[(E)-1-methyl-3-(2,6,6-trimethyl-cyclohex-1-enyl)-allyl]-thiopyran-4-one
    —— 2(1H)-Pyrimidinone, 4-(4-ethoxy-2-hydroxy-5-nitrophenyl)-6-phenyl- 134716-12-4 C18H15N3O5
    2(1H)-Pyrimidinone, 4-(4-ethoxy-2-hydroxy-5-nitrophenyl)-6-phenyl-
    —— 2-(2-chloro-4-methoxyphenyl)pyrimidine 1224437-71-1 C11H9ClN2O
    2-(2-chloro-4-methoxyphenyl)pyrimidine
    —— 2-((4-amino-3-(3-fluoro-5-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-5-(trifluoromethyl)pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one 1604800-75-0 C20H14F4N8O2
    2-((4-amino-3-(3-fluoro-5-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)-5-(trifluoromethyl)pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
    —— 2-(2-{4-[2-(4-chlorophenyl)-1-(1,3,4-oxadiazol-2-yl)ethenyl]phenyl}ethyl)quinoline 1346569-61-6 C27H20ClN3O
    2-(2-{4-[2-(4-chlorophenyl)-1-(1,3,4-oxadiazol-2-yl)ethenyl]phenyl}ethyl)quinoline
    —— 2-(4-((4-(3-fluoro-4-methoxyphenyl)-5-methylpyrimidin-2-yl)amino)-1H-pyrazol-1-yl)-N-isopropylacetamide 1375455-92-7 C20H23FN6O2
    2-(4-((4-(3-fluoro-4-methoxyphenyl)-5-methylpyrimidin-2-yl)amino)-1H-pyrazol-1-yl)-N-isopropylacetamide
    —— 2-[3-(3-Methyl-1,2,3,4-tetrahydro-pyrimido[1,2-a]indol-10-yl)-propyl]-isoindole-1,3-dione; hydrochloride 99891-40-4 C23H23N3O2*ClH
    2-[3-(3-Methyl-1,2,3,4-tetrahydro-pyrimido[1,2-a]indol-10-yl)-propyl]-isoindole-1,3-dione; hydrochloride
    —— 2-((2S,3R,4S)-1,2,3,4-tetrahydro-2-(3,4-dimethoxyphenyl)-3-nitro-1-tosylquinolin-4-yl)-1-phenylethanone 1619985-24-8 C32H30N2O7S
    2-((2S,3R,4S)-1,2,3,4-tetrahydro-2-(3,4-dimethoxyphenyl)-3-nitro-1-tosylquinolin-4-yl)-1-phenylethanone
    —— (2-butyl-pent-4-enylidene)-cyclohexyl-amine 30857-31-9 C15H27N
    (2-butyl-pent-4-enylidene)-cyclohexyl-amine
    —— 2-ethoxy-4-methoxy-5-ethyl-β-nitrostyrene 81468-86-2 C13H17NO4
    2-ethoxy-4-methoxy-5-ethyl-β-nitrostyrene
    —— (2SR,6RS)-2-benzoyl-6-nitro-5-phenyl-3-oxa-4-azatricyclo<5.2.2.0<sup>2,6</sup>>undeca-4,8-diene 124287-04-3 C22H18N2O4
    (2SR,6RS)-2-benzoyl-6-nitro-5-phenyl-3-oxa-4-azatricyclo<5.2.2.0<sup>2,6</sup>>undeca-4,8-diene
    —— 2-chloro-N-(4-(4-chlorophenyl)-5-oxo-5,6-dihydro-4H-1,3,4-selenadiazin-2-yl)-N-phenylacetamide 1272399-63-9 C17H13Cl2N3O2Se
    2-chloro-N-(4-(4-chlorophenyl)-5-oxo-5,6-dihydro-4H-1,3,4-selenadiazin-2-yl)-N-phenylacetamide
    —— ((2S,3S,11S,12S)-11-Hydroxymethyl-3,12-bis-methoxymethoxymethyl-1,4,7,10,13,16-hexaoxa-cyclooctadec-2-yl)-methanol 133981-00-7 C20H40O12
    ((2S,3S,11S,12S)-11-Hydroxymethyl-3,12-bis-methoxymethoxymethyl-1,4,7,10,13,16-hexaoxa-cyclooctadec-2-yl)-methanol
    —— (2,3-Dichloro-2,3-difluoropropyl)benzol 63662-72-6 C9H8Cl2F2
    (2,3-Dichloro-2,3-difluoropropyl)benzol
    —— 2-(((2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-4-carboxylic acid 1144510-89-3 C16H14N4O3
    2-(((2-oxoindolin-3-ylidene)hydrazono)methyl)-2,4-dimethyl-1H-pyrrole-4-carboxylic acid
    —— 2-(4-carboxyphenyl)-2-[4-(4-carboxyphenoxy)phenyl]hexafluoropropane 133562-71-7 C23H14F6O5
    2-(4-carboxyphenyl)-2-[4-(4-carboxyphenoxy)phenyl]hexafluoropropane
    —— 2-(2,5-dioxo-1-phenyl-pyrrolidin-3-yl)-3-methyl-succinic acid dimethyl ester 53288-12-3 C17H19NO6
    2-(2,5-dioxo-1-phenyl-pyrrolidin-3-yl)-3-methyl-succinic acid dimethyl ester
    —— 2,4,6,2',4',6'-hexamethyl-1,1'-biphenyl-4,4'-diyl-bis-pyridinium 57243-61-5 C28H30N2
    2,4,6,2',4',6'-hexamethyl-1,1'-biphenyl-4,4'-diyl-bis-pyridinium
    —— [(2,5,6-Tetrachloro-1,4-phenylene)bis(methylene)]bis[2-(diphenylphosphino)ethyl]diphenylphosphonium, dichloride 61739-58-0 C60H52Cl5P4+
    [(2,5,6-Tetrachloro-1,4-phenylene)bis(methylene)]bis[2-(diphenylphosphino)ethyl]diphenylphosphonium, dichloride
    —— 2-(3,5-difluorobiphenyl-4-ylcarbamoyl)benzoic acid 1346705-34-7 C20H13F2NO3
    2-(3,5-difluorobiphenyl-4-ylcarbamoyl)benzoic acid
    —— 2,4-bis-{<i>N</i>'-[2-(diethyl-methyl-ammonio)-ethyl]-ureido}-toluene; diiodide 116598-51-7 C23H44N6O2*2I
    2,4-bis-{<i>N</i>'-[2-(diethyl-methyl-ammonio)-ethyl]-ureido}-toluene; diiodide
    —— 2-Butylsulfanylpyridine;hydrobromide 6313-77-5 C9H14BrNS
    2-Butylsulfanylpyridine;hydrobromide
    —— 2-(1H-1,2,3,4-tetrazol-5-yl)propan-2-amine 1211587-69-7 C4H9N5
    2-(1H-1,2,3,4-tetrazol-5-yl)propan-2-amine
    —— 2-methyl-4-((2S,3'S)-2-methyl[1,3']bipyrrolidinyl-1'-yl)-N-(tetrahydropyran-4-yl)benzamide 1350411-30-1 C22H33N3O2
    2-methyl-4-((2S,3'S)-2-methyl[1,3']bipyrrolidinyl-1'-yl)-N-(tetrahydropyran-4-yl)benzamide
    —— 2-[(Tert-butoxy)carbonyl]-octahydrocyclopenta[c]pyrrole-4-carboxylic acid 1334146-48-3 C13H21NO4
    2-[(Tert-butoxy)carbonyl]-octahydrocyclopenta[c]pyrrole-4-carboxylic acid