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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-amino-8-(2-chloropyridin-5-yl)-7-hydroxy-6-[2-methyl-5-N-(3-trifluoromethylphenyl)carbamoylphenyl]quinazoline 1191930-31-0 C28H19ClF3N5O2
    2-amino-8-(2-chloropyridin-5-yl)-7-hydroxy-6-[2-methyl-5-N-(3-trifluoromethylphenyl)carbamoylphenyl]quinazoline
    —— 2-oxopropyl 4-methyl-3-cyclohexenecarboxylate 143489-84-3 C11H16O3
    2-oxopropyl 4-methyl-3-cyclohexenecarboxylate
    —— 2-(5-chloro-2-(4-nitrophenyl)-3-tosyl-2,3-dihydrobenzo[d]oxazol-2-yl)acetaldehyde 1432746-98-9 C22H17ClN2O6S
    2-(5-chloro-2-(4-nitrophenyl)-3-tosyl-2,3-dihydrobenzo[d]oxazol-2-yl)acetaldehyde
    —— 2,5-bis-(4-tert-butylphenyl)-3,4-bis-(4-bromophenyl)cyclopenta-2,4-dienone 890525-43-6 C37H34Br2O
    2,5-bis-(4-tert-butylphenyl)-3,4-bis-(4-bromophenyl)cyclopenta-2,4-dienone
    —— 2-[3-(2-Fluoro-phenyl)-2-methyl-isothioureidomethylene]-malonic acid diethyl ester 82635-87-8 C16H19FN2O4S
    2-[3-(2-Fluoro-phenyl)-2-methyl-isothioureidomethylene]-malonic acid diethyl ester
    —— 2-ethyl-4-[5-(6-isobutyl-4-methyl-pyridin-2-yl)-[1,2,4]oxadiazol-3-yl]-6-methyl-phenol 1186606-18-7 C21H25N3O2
    2-ethyl-4-[5-(6-isobutyl-4-methyl-pyridin-2-yl)-[1,2,4]oxadiazol-3-yl]-6-methyl-phenol
    —— 2-[3-Methyl-but-(E)-ylidene]-succinic acid 4-ethyl ester 93306-23-1 C11H18O4
    2-[3-Methyl-but-(E)-ylidene]-succinic acid 4-ethyl ester
    —— (2E,9Z)-Octadeca-2,9-diene-4,6-diynedioic acid dimethyl ester 41345-67-9 C20H26O4
    (2E,9Z)-Octadeca-2,9-diene-4,6-diynedioic acid dimethyl ester
    —— 2β-(2-iodoethoxy)clovan-9α-ol 1112901-60-6 C17H29IO2
    2β-(2-iodoethoxy)clovan-9α-ol
    —— 2-(4-pyridyl)-5-[4-(decyloxy)phenyl]-1,3,4-oxadiazole 1387579-30-7 C23H29N3O2
    2-(4-pyridyl)-5-[4-(decyloxy)phenyl]-1,3,4-oxadiazole
    —— 2,2-Dimethyl-propionic acid (5E,7Z)-(9S,10S,11R)-12-(tert-butyl-dimethyl-silanyloxy)-10-(4-methoxy-benzyloxy)-9,11-dimethyl-trideca-5,7-dienyl ester 184291-71-2 C34H58O5Si
    2,2-Dimethyl-propionic acid (5E,7Z)-(9S,10S,11R)-12-(tert-butyl-dimethyl-silanyloxy)-10-(4-methoxy-benzyloxy)-9,11-dimethyl-trideca-5,7-dienyl ester
    —— 2-chloro-N'-hydroxy-1-oxy-isonicotmamidine 923288-58-8 C6H6ClN3O2
    2-chloro-N'-hydroxy-1-oxy-isonicotmamidine
    —— 2,6-dideoxy-3-O-methyl-4-triethylsiloxy-L-arabino-hexono-1,5-lactone 1186076-52-7 C13H26O4Si
    2,6-dideoxy-3-O-methyl-4-triethylsiloxy-L-arabino-hexono-1,5-lactone
    —— 2-[(5-nitro-1-benzyl-1H-indazol-3-yl)methoxy]-2-methylpropanoic acid 1186507-49-2 C19H19N3O5
    2-[(5-nitro-1-benzyl-1H-indazol-3-yl)methoxy]-2-methylpropanoic acid
    —— 2-{2-[Bis-(2-methanesulfonyloxy-ethyl)-amino]-5-nitro-phenylamino}-benzoic acid methyl ester 107210-32-2 C20H25N3O10S2
    2-{2-[Bis-(2-methanesulfonyloxy-ethyl)-amino]-5-nitro-phenylamino}-benzoic acid methyl ester
    —— 2,2a,2b,3,5a,5b-hexahydro-2a-methyl-2b,5b-diphenyl-1H-cycloprop<cd>indene 125643-16-5 C22H22
    2,2a,2b,3,5a,5b-hexahydro-2a-methyl-2b,5b-diphenyl-1H-cycloprop<cd>indene
    —— 2-aminocyclohepta[4,5]thieno[2,3-d]pyrimidine-4(3H)-one 1203791-30-3 C12H15N3OS
    2-aminocyclohepta[4,5]thieno[2,3-d]pyrimidine-4(3H)-one
    —— 2-diethoxymethyl-1,1-diethoxy-decane 65586-48-3 C19H40O4
    2-diethoxymethyl-1,1-diethoxy-decane
    —— 2,7-Diaza-1,5-diphenyl-3,8-di(methylthio)bicyclo<2.2.2>octa-2,7-diene 125503-79-9 C20H20N2S2
    2,7-Diaza-1,5-diphenyl-3,8-di(methylthio)bicyclo<2.2.2>octa-2,7-diene
    —— (2-trimethylsilyl)ethyl 3,4,6-tri-O-benzyl-2-deoxy-2-nitro-β-D-glucopyranoside 1160638-23-2 C32H41NO7Si
    (2-trimethylsilyl)ethyl 3,4,6-tri-O-benzyl-2-deoxy-2-nitro-β-D-glucopyranoside
    —— (2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R)-5-acetamido-4,6-diacetoxy-2-(acetoxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(((tert-butyldiphenylsilyl)oxy)methyl)-4-((4-oxopentanoyl)oxy)tetrahydro-2H-pyran-3,5-diyl diacetate 1446763-03-6 C45H59NO18Si
    (2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R)-5-acetamido-4,6-diacetoxy-2-(acetoxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(((tert-butyldiphenylsilyl)oxy)methyl)-4-((4-oxopentanoyl)oxy)tetrahydro-2H-pyran-3,5-diyl diacetate
    —— 2-methoxy-4-(methylsulfanyl-methyl)-phenol 96943-29-2 C9H12O2S
    2-methoxy-4-(methylsulfanyl-methyl)-phenol
    —— [2-(Cyclohexylamino)-1-(4-nitrophenyl)-2-oxoethyl] 3-phenylprop-2-ynoate 1159613-76-9 C23H22N2O5
    [2-(Cyclohexylamino)-1-(4-nitrophenyl)-2-oxoethyl] 3-phenylprop-2-ynoate
    —— 2,2,2-Trifluoro-N,N-dimethyl-N'-(2-trifluoromethyl-phenyl)-acetamidine 70314-91-9 C11H10F6N2
    2,2,2-Trifluoro-N,N-dimethyl-N'-(2-trifluoromethyl-phenyl)-acetamidine
    —— 2-Ethyl-5-oxo-2-(3-oxo-butyl)-hexanal 70129-63-4 C12H20O3
    2-Ethyl-5-oxo-2-(3-oxo-butyl)-hexanal
    —— 2-Chloro-4,4-dimethyl-3-oxo-pentanoic acid (3-chloro-phenyl)-amide 71384-65-1 C13H15Cl2NO2
    2-Chloro-4,4-dimethyl-3-oxo-pentanoic acid (3-chloro-phenyl)-amide
    —— 2-(4-Brom-α-methyl-benzyl)-6-(p-brom-phenyl)-4,5-dihydro-3(2H)-pyridazinon 70646-84-3 C18H16Br2N2O
    2-(4-Brom-α-methyl-benzyl)-6-(p-brom-phenyl)-4,5-dihydro-3(2H)-pyridazinon
    —— 2-[4-(4,5-Bis-methoxycarbonyl-[1,3]dithiol-2-ylidene)-cyclohex-2-en-(E)-ylidene]-1-oxo-1,2-dihydro-1λ<sup>4</sup>-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester 68630-07-9 C20H18O9S4
    2-[4-(4,5-Bis-methoxycarbonyl-[1,3]dithiol-2-ylidene)-cyclohex-2-en-(E)-ylidene]-1-oxo-1,2-dihydro-1λ<sup>4</sup>-[1,3]dithiole-4,5-dicarboxylic acid dimethyl ester
    —— 2-ethoxy-1,2-bis(4-fluorophenyl)ethanone 654673-98-0 C16H14F2O2
    2-ethoxy-1,2-bis(4-fluorophenyl)ethanone
    —— 2-iodo-4-methyl-7-nitro-4H-spiro[cyclopenta[b]indole-1,9′-fluorene] 1373884-08-2 C24H15IN2O2
    2-iodo-4-methyl-7-nitro-4H-spiro[cyclopenta[b]indole-1,9′-fluorene]
    —— 2-[(hydroxyamino)carbonyl]-6-methoxyphenyl 4-(2-butynyloxy)benzenesulfonate 714961-74-7 C18H17NO7S
    2-[(hydroxyamino)carbonyl]-6-methoxyphenyl 4-(2-butynyloxy)benzenesulfonate
    —— 2-[4-[(5-amino-3-pyridyl)methyl]piperazin-1-yl]ethanol 1403248-70-3 C12H20N4O
    2-[4-[(5-amino-3-pyridyl)methyl]piperazin-1-yl]ethanol
    —— 2-Benzoyl-3-(2-oxo-2-phenyl-ethyl)-3-thiophen-2-yl-2,3-dihydro-indeno[1,2-b]furan-4-one 103966-57-0 C30H20O4S
    2-Benzoyl-3-(2-oxo-2-phenyl-ethyl)-3-thiophen-2-yl-2,3-dihydro-indeno[1,2-b]furan-4-one
    —— 2-(trimethylsilyl)ethyl 2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl-(1->3)-4,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 281658-14-8 C55H61NO13Si
    2-(trimethylsilyl)ethyl 2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl-(1->3)-4,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside
    —— 2-methyl-3-oxazolidine-1'-spiropyrrolidinium bis[(trifluoromethyl)sulfonyl]azanide 1186296-95-6 C2F6NO4S2*C8H16NO
    2-methyl-3-oxazolidine-1'-spiropyrrolidinium bis[(trifluoromethyl)sulfonyl]azanide
    —— 2,2'-thio-bis[N-(4-nitrobenzylidene)-2-(4-tolyloxy)benzamine] 1221426-50-1 C40H30N4O6S
    2,2'-thio-bis[N-(4-nitrobenzylidene)-2-(4-tolyloxy)benzamine]
    —— 2-allyl-4-formylphenyl trifluoromethanesulfonate 166959-96-2 C11H9F3O4S
    2-allyl-4-formylphenyl trifluoromethanesulfonate
    —— (2R,3R,4S,5R)-2-[6-amino-2-(3-ethylpentoxy)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol 131933-27-2 C17H27N5O5
    (2R,3R,4S,5R)-2-[6-amino-2-(3-ethylpentoxy)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol
    —— 2-chloro-10<i>H</i>-dibenzo[<i>b</i>,<i>f</i>][1,4]oxazepin-11-one chloroacetyl-hydrazone 54584-99-5 C15H11Cl2N3O2
    2-chloro-10<i>H</i>-dibenzo[<i>b</i>,<i>f</i>][1,4]oxazepin-11-one chloroacetyl-hydrazone
    —— (2S)-2-[(tert-butoxycarbonyl)amino]-3-(2-(4-(trifluoromethyl)phenyl)thiazol-4-yl)propanoic acid 1580457-46-0 C18H19F3N2O4S
    (2S)-2-[(tert-butoxycarbonyl)amino]-3-(2-(4-(trifluoromethyl)phenyl)thiazol-4-yl)propanoic acid
    —— 2-((2-(benzo[d]thiazol-2-yl)hydrazono)methyl)benzene-1,3,5-triol 1267970-58-0 C14H11N3O3S
    2-((2-(benzo[d]thiazol-2-yl)hydrazono)methyl)benzene-1,3,5-triol
    —— (2'R,3'S,4S)-3-(3'-hydroxy-2'-methyl-4'-oxo-4'-phenylbutyryl)-4-isopropyl-2-oxazolidinone 155324-35-9 C17H21NO5
    (2'R,3'S,4S)-3-(3'-hydroxy-2'-methyl-4'-oxo-4'-phenylbutyryl)-4-isopropyl-2-oxazolidinone
    —— 2-iodo-3-[(3-nitrophenyl)(4-nitrophenyl)amino]cyclohex-2-enone 1220515-90-1 C18H14IN3O5
    2-iodo-3-[(3-nitrophenyl)(4-nitrophenyl)amino]cyclohex-2-enone
    —— 2-<<2-<octahydro-6-(phenylsulfonyl)-1-pentalenyl>-1-(methyl)ethyl>thio>-pyridine 126002-68-4 C22H27NO2S2
    2-<<2-<octahydro-6-(phenylsulfonyl)-1-pentalenyl>-1-(methyl)ethyl>thio>-pyridine
    —— 2-amino-6-borono-2-(3-(2-(4-fluorophenyl)pyrrolidin-1-yl)propyl)hexanoic acid 1384297-27-1 C19H30BFN2O4
    2-amino-6-borono-2-(3-(2-(4-fluorophenyl)pyrrolidin-1-yl)propyl)hexanoic acid
    —— 2-((4S)-6-(4-chlorophenyl)-1-methyl-7-(methylamino)-4H-isoxazolo[5,4-c]pyrido[ 4,3-e]azepin-4-yl)acetamide 1380088-38-9 C20H18ClN5O2
    2-((4S)-6-(4-chlorophenyl)-1-methyl-7-(methylamino)-4H-isoxazolo[5,4-c]pyrido[ 4,3-e]azepin-4-yl)acetamide
    —— (2-chloro-1-((4-nitrophenyl)thio)buta-1,3-dien-1-yl)trimethylgermane 75221-79-3 C13H16ClGeNO2S
    (2-chloro-1-((4-nitrophenyl)thio)buta-1,3-dien-1-yl)trimethylgermane
    —— 2,3-bis(5-methylfuran-2-yl)-5,8-dibromoquinoxaline 1599454-05-3 C18H12Br2N2O2
    2,3-bis(5-methylfuran-2-yl)-5,8-dibromoquinoxaline
    —— (2R)-2-(3-bromo-2-methylphenyl)-3-[tert-butyl(dimethyl)silyl]oxypropanal 1089205-88-8 C16H25BrO2Si
    (2R)-2-(3-bromo-2-methylphenyl)-3-[tert-butyl(dimethyl)silyl]oxypropanal
    —— [(2R,3R,4aS,7S,8aS)-3-acetyloxy-4,4,8a-trimethyl-8-oxospiro[1,2,3,4a,5,6-hexahydronaphthalene-7,2'-oxirane]-2-yl] acetate 700841-46-9 C18H26O6
    [(2R,3R,4aS,7S,8aS)-3-acetyloxy-4,4,8a-trimethyl-8-oxospiro[1,2,3,4a,5,6-hexahydronaphthalene-7,2'-oxirane]-2-yl] acetate