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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,6-bis[(phenylseleno)methyl]phenyl phenyl telluride 201865-12-5 C26H22Se2Te
    2,6-bis[(phenylseleno)methyl]phenyl phenyl telluride
    —— 2-methyl-9-mesitylfluorene 1597444-13-7 C23H22
    2-methyl-9-mesitylfluorene
    —— 2,2-dimethyl-propionic acid 1-chloromethyl-2-(3-oxiranylmethoxy-phenoxy)-ethyl ester 1346435-41-3 C17H23ClO5
    2,2-dimethyl-propionic acid 1-chloromethyl-2-(3-oxiranylmethoxy-phenoxy)-ethyl ester
    —— 2,2'-thio-bis[2-{2-(4-tolyloxy)(phenylimino)methy}-5-bromophenol] 1221426-46-5 C40H30Br2N2O4S
    2,2'-thio-bis[2-{2-(4-tolyloxy)(phenylimino)methy}-5-bromophenol]
    —— 2-[N-(4-Bromo-2,5-dimethoxybenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride 185105-33-3 C21H29BrN4O4S*ClH
    2-[N-(4-Bromo-2,5-dimethoxybenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole hydrochloride
    —— (2R,5R)-3-Heptyl-5-methyl-4-phenylselanyl-2,5-dihydro-furan-2-carboxylic acid methyl ester 127130-48-7 C20H28O3Se
    (2R,5R)-3-Heptyl-5-methyl-4-phenylselanyl-2,5-dihydro-furan-2-carboxylic acid methyl ester
    —— 2-(2-bromo-5-((4-(tert-butyl)phenyl)sulfonyl)phenyl)pyridine 1571060-11-1 C21H20BrNO2S
    2-(2-bromo-5-((4-(tert-butyl)phenyl)sulfonyl)phenyl)pyridine
    —— 2-[(furan-2-ylmethyl)amino]-6H,7H-[1,3]thiazolo[4,5-d]pyrimidin-7-one 926247-29-2 C10H8N4O2S
    2-[(furan-2-ylmethyl)amino]-6H,7H-[1,3]thiazolo[4,5-d]pyrimidin-7-one
    —— 2-{[3-(4-bromophenyl)-1H-pyrazol-4-yl]sulfanyl}-5-chloropyridine 1199805-54-3 C14H9BrClN3S
    2-{[3-(4-bromophenyl)-1H-pyrazol-4-yl]sulfanyl}-5-chloropyridine
    —— (2R,3S)-3-ethyl-2-(4-nitrophenyl)-2,3-dihydropyran-6-one 1137669-65-8 C13H13NO4
    (2R,3S)-3-ethyl-2-(4-nitrophenyl)-2,3-dihydropyran-6-one
    —— 2,6-diphenyl-3-[trans-2-(methoxycarbonyl)ethenyl]-4H-pyran-4-one 1262283-27-1 C21H16O4
    2,6-diphenyl-3-[trans-2-(methoxycarbonyl)ethenyl]-4H-pyran-4-one
    —— 2,2-dimethyl-6-[(E)-8-(2,2,5-trimethyl-1,3-dioxan-5-yl)-5-[3-(2,2,5-trimethyl-1,3-dioxan-5-yl)propyl]oct-2-enoxy]-1,3-dioxin-4-one 1424712-82-2 C31H52O8
    2,2-dimethyl-6-[(E)-8-(2,2,5-trimethyl-1,3-dioxan-5-yl)-5-[3-(2,2,5-trimethyl-1,3-dioxan-5-yl)propyl]oct-2-enoxy]-1,3-dioxin-4-one
    —— 2,2,5-Trimethoxy-5-(methoxycarbonylaethinyl)-2,5-dihydro-3,4-furandicarbonsaeure-dimethylester 54836-53-2 C15H18O10
    2,2,5-Trimethoxy-5-(methoxycarbonylaethinyl)-2,5-dihydro-3,4-furandicarbonsaeure-dimethylester
    —— 2'-(γ-Dimethylamino-β-methylpropyl)-spiro-(cyclopentan-1,3'-indolin)-1'-on 48186-59-0 C18H26N2O
    2'-(γ-Dimethylamino-β-methylpropyl)-spiro-(cyclopentan-1,3'-indolin)-1'-on
    —— 2-cyclopentyldecan-1,10-dioic acid-1-benzyl-10-methyl ester 179538-26-2 C23H34O4
    2-cyclopentyldecan-1,10-dioic acid-1-benzyl-10-methyl ester
    —— 2,3,4,5-Tetrahydro-2-(3-hydroxypropyl)-2-nitro-1H-benzocyclohepten-1-on 115877-42-4 C14H17NO4
    2,3,4,5-Tetrahydro-2-(3-hydroxypropyl)-2-nitro-1H-benzocyclohepten-1-on
    —— 2,2-dioxo-4-phenyl-4,5,3',4'-tetrahydro-2λ<sup>6</sup>-spiro[benzo[<i>f</i>][1,2,5]oxathiazepine-3,2'-naphthalen]-1'-one 59043-97-9 C23H19NO4S
    2,2-dioxo-4-phenyl-4,5,3',4'-tetrahydro-2λ<sup>6</sup>-spiro[benzo[<i>f</i>][1,2,5]oxathiazepine-3,2'-naphthalen]-1'-one
    —— 2,3,4-trimethoxy-6,7-methylenedioxy-9-phenanthryl 3-mercaptopropyl sulphide 81574-83-6 C21H22O5S2
    2,3,4-trimethoxy-6,7-methylenedioxy-9-phenanthryl 3-mercaptopropyl sulphide
    —— 2-hydroxy-2-<(N-trityl-4-aminophenyl)methyl>-4-(2-pyridyl)-1-butanol 223438-18-4 C35H34N2O2
    2-hydroxy-2-<(N-trityl-4-aminophenyl)methyl>-4-(2-pyridyl)-1-butanol
    —— 2-diphenylphosphanylethyl(diphenyl)phosphane;1-ethynylcyclohexene;1H-inden-1-ide;ruthenium(2+) 191791-68-1 C43H40P2Ru
    2-diphenylphosphanylethyl(diphenyl)phosphane;1-ethynylcyclohexene;1H-inden-1-ide;ruthenium(2+)
    —— 2,3,4-Trichlor-1-(thiocyanatomethylthio)-benzol 57730-91-3 C8H4Cl3NS2
    2,3,4-Trichlor-1-(thiocyanatomethylthio)-benzol
    —— (2R,3R,10R,14S)-2-mesyl-3-hydroxy-10-methoxymethoxyginkolide-15-acid methyl ester 286015-38-1 C24H34O13S
    (2R,3R,10R,14S)-2-mesyl-3-hydroxy-10-methoxymethoxyginkolide-15-acid methyl ester
    —— (2'S,4'R,6'S)-2'-(3''',4'''-dihydroxyphenethyl)-6'-(4''''-hydroxy-3''''-methoxyphenyl)tetrahydropyran-4'-yl- 3-methoxyphenyl carbamate 1440431-81-1 C28H31NO8
    (2'S,4'R,6'S)-2'-(3''',4'''-dihydroxyphenethyl)-6'-(4''''-hydroxy-3''''-methoxyphenyl)tetrahydropyran-4'-yl- 3-methoxyphenyl carbamate
    —— 2-Bromethoxyaceton 65894-11-3 C5H9BrO2
    2-Bromethoxyaceton
    —— 2,2''-dichloro-2',5'-dimethoxy[1,1':4',1''-terphenyl]-4-yl cyanide 945391-08-2 C21H15Cl2NO2
    2,2''-dichloro-2',5'-dimethoxy[1,1':4',1''-terphenyl]-4-yl cyanide
    —— 2-[4-[[2-(3-fluoro-4-methoxyphenyl)-5,5-dioxo-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidin-4-yl]amino]phenyl]acetic acid sodium salt 1552320-96-3 C22H19FN3O5S*Na
    2-[4-[[2-(3-fluoro-4-methoxyphenyl)-5,5-dioxo-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidin-4-yl]amino]phenyl]acetic acid sodium salt
    —— 2-<1-hydroxy-1-(4-methoxyphenyl)methyl>-2,4-dimethyl-3-morpholinone 225506-72-9 C14H19NO4
    2-<1-hydroxy-1-(4-methoxyphenyl)methyl>-2,4-dimethyl-3-morpholinone
    —— 2-(1,2-bis(4-chlorophenyl)ethylidene)malononitrile 143644-64-8 C17H10Cl2N2
    2-(1,2-bis(4-chlorophenyl)ethylidene)malononitrile
    —— 24-methyl 3α-(methylsulfonyl)oxy-7β-acetoxy-5β-cholanoate 936215-34-8 C28H46O7S
    24-methyl 3α-(methylsulfonyl)oxy-7β-acetoxy-5β-cholanoate
    —— 2-[(12S)-3-[[4-(dimethylamino)cyclohexyl]oxy]-8-thia-4,6-diazatricyclo[7.4.0.0[2,7]]trideca-1(9),2(7),3,5-tetraen-12-yl]ethan-1-ol formate 1447957-67-6 CH2O2*C20H29N3O2S
    2-[(12S)-3-[[4-(dimethylamino)cyclohexyl]oxy]-8-thia-4,6-diazatricyclo[7.4.0.0[2,7]]trideca-1(9),2(7),3,5-tetraen-12-yl]ethan-1-ol formate
    —— 2,5-Dimethoxy-3,3-dimethyl-1-propan-2-ylpiperidine 177703-55-8 C12H25NO2
    2,5-Dimethoxy-3,3-dimethyl-1-propan-2-ylpiperidine
    —— (2S,3S,4R)-(3,4-isopropylidenedioxy-1-(1'R,2'S,3'S,4'S,5'R)-5'-hydroxymethyl-2,3,4-tribenzyloxycyclohexylaminooctadecan-2-yl)hexacosanamide 1245916-83-9 C75H124N2O7
    (2S,3S,4R)-(3,4-isopropylidenedioxy-1-(1'R,2'S,3'S,4'S,5'R)-5'-hydroxymethyl-2,3,4-tribenzyloxycyclohexylaminooctadecan-2-yl)hexacosanamide
    —— 2-n-butylamino-3-chlor-6,7-dimethyl-1,4-naphthochinon 18691-20-8 C16H18ClNO2
    2-n-butylamino-3-chlor-6,7-dimethyl-1,4-naphthochinon
    —— 2-Imino-6-(5-methoxy-2,3-diphenyl-benzofuran-6-yl)-4-phenyl-2H-pyran-3-carboxylic acid ethyl ester 86750-20-1 C35H27NO5
    2-Imino-6-(5-methoxy-2,3-diphenyl-benzofuran-6-yl)-4-phenyl-2H-pyran-3-carboxylic acid ethyl ester
    —— 2-amino-4,6-diethyl-1,3,5-trimethylborazine 135225-73-9 C7H21B3N4
    2-amino-4,6-diethyl-1,3,5-trimethylborazine
    —— 2-Hydroxy-5-(1-methoxycarbonyl-ethyl)-cyclopentanecarboxylic acid methyl ester 107932-79-6 C11H18O5
    2-Hydroxy-5-(1-methoxycarbonyl-ethyl)-cyclopentanecarboxylic acid methyl ester
    —— 2-(diphenylphosphoryl)-4-phenyl-1-p-tolylbutyl acetate 1316316-70-7 C31H31O3P
    2-(diphenylphosphoryl)-4-phenyl-1-p-tolylbutyl acetate
    —— 2-benzo[1,3]dioxol-5-yl-1-(5H-[1,3]dioxolo[4,5-f]indol-7-yl)-ethanone 6913-81-1 C18H13NO5
    2-benzo[1,3]dioxol-5-yl-1-(5H-[1,3]dioxolo[4,5-f]indol-7-yl)-ethanone
    —— (2α,3β,4β,5aβ,7α,9aα)-(+/-)-tert-butyl 7-bromo-2-(bromomethyl)decahydro-6,6,9a-trimethyl-4-(4-nitrobenzoyloxy)-1-benzoxepin-3-carboxylate 83220-45-5 C26H35Br2NO7
    (2α,3β,4β,5aβ,7α,9aα)-(+/-)-tert-butyl 7-bromo-2-(bromomethyl)decahydro-6,6,9a-trimethyl-4-(4-nitrobenzoyloxy)-1-benzoxepin-3-carboxylate
    —— 2β-Butyl-1α,3β-dihydroxy-9,10-secocholesta-5,7,10(19)-triene 158388-21-7 C31H52O2
    2β-Butyl-1α,3β-dihydroxy-9,10-secocholesta-5,7,10(19)-triene
    —— 2-butyl-6-((2-(((2,2'-dihydroxy-[1,1'-binaphthalen]-3-yl)methylene)amino)ethyl)amino)-1H-benzo[de]isoquinoline-1,3(2H)-dione 1526990-63-5 C39H33N3O4
    2-butyl-6-((2-(((2,2'-dihydroxy-[1,1'-binaphthalen]-3-yl)methylene)amino)ethyl)amino)-1H-benzo[de]isoquinoline-1,3(2H)-dione
    —— 2-(1-azidoethoxy)ethoxymethylbenzene 119870-00-7 C11H15N3O2
    2-(1-azidoethoxy)ethoxymethylbenzene
    —— 2-benzylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one 1002404-84-3 C13H17N3O
    2-benzylhexahydroimidazo[1,5-a]pyrazin-3(2H)-one
    —— 2-Iodo-7-oxo-4-nor-2,3-secocholest-5-en-3-yl formate 82033-65-6 C27H43IO3
    2-Iodo-7-oxo-4-nor-2,3-secocholest-5-en-3-yl formate
    —— 2-Isopropyl-7-oxo-7H-furo[3,2-g]chromene-9-sulfonic acid [4-(3-methyl-isoxazol-5-ylsulfamoyl)-phenyl]-amide 96944-70-6 C24H21N3O8S2
    2-Isopropyl-7-oxo-7H-furo[3,2-g]chromene-9-sulfonic acid [4-(3-methyl-isoxazol-5-ylsulfamoyl)-phenyl]-amide
    —— 2-[[4-[2-[3-(2-phenylethynyl)phenyl]ethynyl]phenyl]-(1H-pyrrol-2-yl)methyl]-1H-pyrrole 628290-79-9 C31H22N2
    2-[[4-[2-[3-(2-phenylethynyl)phenyl]ethynyl]phenyl]-(1H-pyrrol-2-yl)methyl]-1H-pyrrole
    —— 2-methyl-7-((4-(4-(trifluoromethyl)phenyl)piperidin-1-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one 1246083-70-4 C22H23F3N2O2
    2-methyl-7-((4-(4-(trifluoromethyl)phenyl)piperidin-1-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
    —— 2-(1-Brom-decyl)-4-hydroxymethyl-1,3-dioxolan 860393-75-5 C14H27BrO3
    2-(1-Brom-decyl)-4-hydroxymethyl-1,3-dioxolan
    —— 2-methyl-7-phenyl-pyrazolo[1,5-<i>a</i>][1,3,5]triazin-4-ylamine 54475-77-3 C12H11N5
    2-methyl-7-phenyl-pyrazolo[1,5-<i>a</i>][1,3,5]triazin-4-ylamine
    —— 2-benzyl-2,3,4,5-tetrahydro-1H-benzo[c]azepin-1-one 65185-61-7 C17H17NO
    2-benzyl-2,3,4,5-tetrahydro-1H-benzo[c]azepin-1-one