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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,6,7-Trifluorindenon 52189-74-9 C9H3F3O
    2,6,7-Trifluorindenon
    —— 2-(1-Phenyl-pyrazol-4-yl)-propan-1,1-dicarbonsaeure 51294-89-4 C14H14N2O4
    2-(1-Phenyl-pyrazol-4-yl)-propan-1,1-dicarbonsaeure
    —— 2-oxo-4-piperazin-1-yl-2<i>H</i>-chromene-3-carbaldehyde 51070-42-9 C14H14N2O3
    2-oxo-4-piperazin-1-yl-2<i>H</i>-chromene-3-carbaldehyde
    —— 2-amino-6-methyl-5-(4-propoxy-benzyl)-3<i>H</i>-pyrimidine-4-thione 43181-54-0 C15H19N3OS
    2-amino-6-methyl-5-(4-propoxy-benzyl)-3<i>H</i>-pyrimidine-4-thione
    —— 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->6)-[2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->3)]-2-O-benzoyl-4-O-(1-fluoro-1,1,3,3-tetraisopropyl-1,3-disiloxane-3-yl)-1-thio-α-D-mannopyranosyl trichloroacetimidate 1344088-99-8 C95H103Cl3FNO22Si2
    2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->6)-[2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl-(1->3)]-2-O-benzoyl-4-O-(1-fluoro-1,1,3,3-tetraisopropyl-1,3-disiloxane-3-yl)-1-thio-α-D-mannopyranosyl trichloroacetimidate
    —— 2-[(3-Trifluoromethylsulfanyl-phenyl)-hydrazono]-malononitrile 6997-90-6 C10H5F3N4S
    2-[(3-Trifluoromethylsulfanyl-phenyl)-hydrazono]-malononitrile
    —— 2-formyl-3,7-dimethyl-1-oxo-1,5-dihydro-benzo[4,5]imidazo[1,2-<i>a</i>]pyridine-4-carbonitrile 34968-23-5 C15H11N3O2
    2-formyl-3,7-dimethyl-1-oxo-1,5-dihydro-benzo[4,5]imidazo[1,2-<i>a</i>]pyridine-4-carbonitrile
    —— 2-[(2-Ethyl-phenyl)-methanesulfonyl-amino]-propionic acid ethyl ester 71273-48-8 C14H21NO4S
    2-[(2-Ethyl-phenyl)-methanesulfonyl-amino]-propionic acid ethyl ester
    —— 2-Cyano-3-acetamido-17-acetoxyestra-2.4(5)-dien 23629-27-8 C23H30N2O3
    2-Cyano-3-acetamido-17-acetoxyestra-2.4(5)-dien
    —— 2'-[(Z)-Cyclohexylimino]-4',4'-dimethyl-1'-phenyl-[1,3']bipyrrolidinyl-5'-thione 7738-16-1 C22H31N3S
    2'-[(Z)-Cyclohexylimino]-4',4'-dimethyl-1'-phenyl-[1,3']bipyrrolidinyl-5'-thione
    —— 2,4-diethoxy-6-<i>p</i>-tolylsulfanyl-[1,3,5]triazine 3084-42-2 C14H17N3O2S
    2,4-diethoxy-6-<i>p</i>-tolylsulfanyl-[1,3,5]triazine
    —— {[(2-Chloro-acetyl)-(2-ethyl-6-methyl-phenyl)-amino]-methyl}-phosphonic acid diethyl ester 72408-88-9 C16H25ClNO4P
    {[(2-Chloro-acetyl)-(2-ethyl-6-methyl-phenyl)-amino]-methyl}-phosphonic acid diethyl ester
    —— 2-[4-(1,6-Dibromo-naphthalen-2-yloxy)-phenoxy]-propionic acid methyl ester 71589-73-6 C20H16Br2O4
    2-[4-(1,6-Dibromo-naphthalen-2-yloxy)-phenoxy]-propionic acid methyl ester
    —— 2-Iodoquinolin-6-ol 1261603-41-1 C9H6INO
    2-Iodoquinolin-6-ol
    —— 2.4-Dichlor-3-methylmercapto-buten-(1) 16728-21-5 C5H8Cl2S
    2.4-Dichlor-3-methylmercapto-buten-(1)
    —— (2-Amino-5-oxo-cyclopent-1-enyl)-acetic acid 23760-69-2 C7H9NO3
    (2-Amino-5-oxo-cyclopent-1-enyl)-acetic acid
    —— (2-benzylcarbamoyl-3-phenylpropyl)-{1[4-tert-butoxycarbonylamino-5-(2-cyanopyrrolidin-1-yl)-5-oxopentanoylamino]-ethyl}-phosphinic acid 877374-03-3 C34H46N5O7P
    (2-benzylcarbamoyl-3-phenylpropyl)-{1[4-tert-butoxycarbonylamino-5-(2-cyanopyrrolidin-1-yl)-5-oxopentanoylamino]-ethyl}-phosphinic acid
    —— (2R,3S,4S,5R,6R)-4-Allyloxy-2-allyloxymethyl-3,5-bis-benzyloxy-6-(2,2,2-trichloro-ethoxy)-tetrahydro-pyran 110426-12-5 C28H33Cl3O6
    (2R,3S,4S,5R,6R)-4-Allyloxy-2-allyloxymethyl-3,5-bis-benzyloxy-6-(2,2,2-trichloro-ethoxy)-tetrahydro-pyran
    —— 2-[5-bromo-2-(4-methoxyphenoxy)phenyl]-1,2-propanediol 1246194-00-2 C16H17BrO4
    2-[5-bromo-2-(4-methoxyphenoxy)phenyl]-1,2-propanediol
    —— 2-Brom-1,2-di-n-propylvinyl-(2,4,6-trinitrobenzolsulfonat) 38755-36-1 C14H16BrN3O9S
    2-Brom-1,2-di-n-propylvinyl-(2,4,6-trinitrobenzolsulfonat)
    —— 2-Me-2-CO2Et-trans-4.5-CH2Cl-1.3-dioxolan 55394-91-7 C9H14Cl2O4
    2-Me-2-CO2Et-trans-4.5-CH2Cl-1.3-dioxolan
    —— 2-n-Butylamino-1,3,2-oxathiaborinan 53885-06-6 C7H16BNOS
    2-n-Butylamino-1,3,2-oxathiaborinan
    —— 2-(2,3-dimethyl-phenyl)-3,5-dioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid 54994-84-2 C12H11N3O4
    2-(2,3-dimethyl-phenyl)-3,5-dioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid
    —— 2-<2-Methoxy-5-(2-methoxycarbonyloxy-ethyl)-phenyl>-1,3,4,6-tetramethoxy-7,8-bis-(methoxycarbonyl)-anthrachinon 14927-15-2 C33H32O14
    2-<2-Methoxy-5-(2-methoxycarbonyloxy-ethyl)-phenyl>-1,3,4,6-tetramethoxy-7,8-bis-(methoxycarbonyl)-anthrachinon
    —— 2-p-Tolylimino-4-phenyl-3-<2-hydroxy-2-(p-nitro-phenyl)-ethyl>-Δ<sup>4</sup>-thiazolin 24288-74-2 C24H21N3O3S
    2-p-Tolylimino-4-phenyl-3-<2-hydroxy-2-(p-nitro-phenyl)-ethyl>-Δ<sup>4</sup>-thiazolin
    —— 2-Anthrylmethyl-tosylat 26502-15-8 C22H18O3S
    2-Anthrylmethyl-tosylat
    —— 2-(4-Ethoxy-cyclohepta-2,4,6-trienylidene)-malononitrile 34193-93-6 C12H10N2O
    2-(4-Ethoxy-cyclohepta-2,4,6-trienylidene)-malononitrile
    —— 2-{4-[bis-(2-chloro-ethyl)-amino]-benzylideneamino}-4-nitro-benzoic acid 34550-89-5 C18H17Cl2N3O4
    2-{4-[bis-(2-chloro-ethyl)-amino]-benzylideneamino}-4-nitro-benzoic acid
    —— 2-[4-(4-chloro-phenyl)-6-methoxy-[1,3,5]triazin-2-yl]-5-methoxy-phenol 4686-73-1 C17H14ClN3O3
    2-[4-(4-chloro-phenyl)-6-methoxy-[1,3,5]triazin-2-yl]-5-methoxy-phenol
    —— 2-Hydroxyimino-17β-hydroxy-A-nor-3(5)-androsten-1-on 1038-47-7 C18H25NO3
    2-Hydroxyimino-17β-hydroxy-A-nor-3(5)-androsten-1-on
    —— 2S-Hydroxy-3R-[1S-(methylcarbamoyl)-2-trifluoromethyl-3,3,3-trifluoropropylcarbamoyl]-5-methyl-hexanohydroxamic acid 171483-48-0 C14H21F6N3O5
    2S-Hydroxy-3R-[1S-(methylcarbamoyl)-2-trifluoromethyl-3,3,3-trifluoropropylcarbamoyl]-5-methyl-hexanohydroxamic acid
    —— 2-[(1R,2R,6S,7S)-2-(4-Aza-tricyclo[5.2.1.0<sup>2,6</sup>]dec-4-yl)-ethyl]-isothiourea 89620-52-0 C12H21N3S
    2-[(1R,2R,6S,7S)-2-(4-Aza-tricyclo[5.2.1.0<sup>2,6</sup>]dec-4-yl)-ethyl]-isothiourea
    —— 2,3,8,9-Tetramethoxy-12,13-dimethyl-dispiro[4.0.4.4]tetradeca-2,8,12-triene-1,4,7,10-tetraone 41099-99-4 C20H22O8
    2,3,8,9-Tetramethoxy-12,13-dimethyl-dispiro[4.0.4.4]tetradeca-2,8,12-triene-1,4,7,10-tetraone
    —— 2-[2-(6-Methoxy-1,2,3,4-tetrahydro-naphthalen-1-yl)-ethyl]-2-methyl-cyclopentane-1,3-dione 50686-64-1 C19H24O3
    2-[2-(6-Methoxy-1,2,3,4-tetrahydro-naphthalen-1-yl)-ethyl]-2-methyl-cyclopentane-1,3-dione
    —— 2'-methyl-11-oxo-5'-trifluoromethyl-2'<i>H</i>-oleana-12,18-dieno[3,2-<i>c</i>]pyrazole-30-oic acid methyl ester 51779-93-2 C34H45F3N2O3
    2'-methyl-11-oxo-5'-trifluoromethyl-2'<i>H</i>-oleana-12,18-dieno[3,2-<i>c</i>]pyrazole-30-oic acid methyl ester
    —— 2,3-Dichlor-5,6-bis-(dimethylamino)pyrazin 55233-60-8 C8H12Cl2N4
    2,3-Dichlor-5,6-bis-(dimethylamino)pyrazin
    —— 2-Acetyl-6-phenylcarbamylcyclohexanon 14418-95-2 C15H17NO3
    2-Acetyl-6-phenylcarbamylcyclohexanon
    —— 2-Trimethylsilyldiphenylsulfid 17908-89-3 C15H18SSi
    2-Trimethylsilyldiphenylsulfid
    —— 2,2-dimethyl-7-oxo-6-phthalimido-2,3,4,7-tetrahydro-[1,4]thiazepine-3-carboxylic acid methyl ester 23192-25-8 C17H16N2O5S
    2,2-dimethyl-7-oxo-6-phthalimido-2,3,4,7-tetrahydro-[1,4]thiazepine-3-carboxylic acid methyl ester
    —— 2-Heptylsulfanyl-thiobenzamide 52369-26-3 C14H21NS2
    2-Heptylsulfanyl-thiobenzamide
    —— 2,2-Dicyclohexyl-4,4,6,6-tetraphenyl-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinine 50964-75-5 C36H42N3P3
    2,2-Dicyclohexyl-4,4,6,6-tetraphenyl-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinine
    —— (2-amino-ethylsulfanyl)-hydroxy-acetic acid isobutyl ester; oxalate (2:1) 32641-30-8 C2H2O4*2C8H17NO3S
    (2-amino-ethylsulfanyl)-hydroxy-acetic acid isobutyl ester; oxalate (2:1)
    —— 2-ethoxy-3-ethyl-5-methyl-2-oxo-2,3-dihydro-2λ<sup>5</sup>-[1,2]oxaphosphole-4-carboxylic acid ethyl ester 32421-94-6 C11H19O5P
    2-ethoxy-3-ethyl-5-methyl-2-oxo-2,3-dihydro-2λ<sup>5</sup>-[1,2]oxaphosphole-4-carboxylic acid ethyl ester
    —— {2-[1-(1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-1-methyl-ethyl]-4-oxo-1,4-dihydro-2<i>H</i>-quinazolin-3-yl}-carbamic acid ethyl ester 39674-79-8 C24H23N3O5
    {2-[1-(1,4-dioxo-1,4-dihydro-naphthalen-2-yl)-1-methyl-ethyl]-4-oxo-1,4-dihydro-2<i>H</i>-quinazolin-3-yl}-carbamic acid ethyl ester
    —— 2-isonicotinoyl-2,5,6,7,8,9-hexahydro-[1,2,3,5]thiatriazolo[5,4-<i>a</i>]azepine 3-oxide 27182-46-3 C12H14N4O2S
    2-isonicotinoyl-2,5,6,7,8,9-hexahydro-[1,2,3,5]thiatriazolo[5,4-<i>a</i>]azepine 3-oxide
    —— 2,3β-Acetimino-5α-androstan-17β-ol-acetat 33211-00-6 C23H35NO3
    2,3β-Acetimino-5α-androstan-17β-ol-acetat
    —— 2,4,4,6,6-Pentaphenoxy-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinin-2-yl-phosphorimidic acid bis-(2-methoxy-ethyl) ester 51421-50-2 C36H40N4O10P4
    2,4,4,6,6-Pentaphenoxy-2λ<sup>5</sup>,4λ<sup>5</sup>,6λ<sup>5</sup>-[1,3,5,2,4,6]triazatriphosphinin-2-yl-phosphorimidic acid bis-(2-methoxy-ethyl) ester
    —— 2-[4-(5-Methoxy-pyrimidin-2-ylsulfamoyl)-phenyl]-N-thiazol-2-yl-acetamide 24445-95-2 C16H15N5O4S2
    2-[4-(5-Methoxy-pyrimidin-2-ylsulfamoyl)-phenyl]-N-thiazol-2-yl-acetamide
    —— 2,4,5-tribromo-1-(2-methoxy-benzoyl)-1<i>H</i>-imidazole 15287-35-1 C11H7Br3N2O2
    2,4,5-tribromo-1-(2-methoxy-benzoyl)-1<i>H</i>-imidazole
    —— 2-Hexadecyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid {4-methoxy-3-[3-(4-methoxy-phenyl)-3-oxo-propionylamino]-phenyl}-amide 105862-70-2 C42H53N3O7
    2-Hexadecyl-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acid {4-methoxy-3-[3-(4-methoxy-phenyl)-3-oxo-propionylamino]-phenyl}-amide