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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— obtusifolin 116538-28-4 C20H22O3
    obtusifolin
    —— orthobiphenyl-1 bromo-1 deuterio-2 ethylene 79693-01-9 C14H11Br
    orthobiphenyl-1 bromo-1 deuterio-2 ethylene
    —— O,O-dimethyl naphthalene-2,6-dicarbothioate 1243191-39-0 C14H12O2S2
    O,O-dimethyl naphthalene-2,6-dicarbothioate
    —— OSi2H(Oi-pr)5 17955-66-7 C15H36O6Si2
    OSi2H(Oi-pr)5
    —— octafluoro-adipic acid ethyl ester-amide 355-72-6 C8H7F8NO3
    octafluoro-adipic acid ethyl ester-amide
    —— O-(chloro-ethoxy-thiophosphoryl)-N-isopropylidene-hydroxylamine 34694-26-3 C5H11ClNO2PS
    O-(chloro-ethoxy-thiophosphoryl)-N-isopropylidene-hydroxylamine
    —— O5-[O3-(N6,O4-(Ξ)-benzylidene-2,6-bis-benzyloxycarbonylamino-β-L-2,6-dideoxy-idopyranosyl)-β-D-ribofuranosyl]-N,N'-bis-benzyloxycarbonyl-O4-(2-benzyloxycarbonylamino-α-D-2-deoxy-glucopyranosyl)-1D-2-deoxy-streptamine 68405-97-0 C70H79N5O24
    O5-[O3-(N6,O4-(Ξ)-benzylidene-2,6-bis-benzyloxycarbonylamino-β-L-2,6-dideoxy-idopyranosyl)-β-D-ribofuranosyl]-N,N'-bis-benzyloxycarbonyl-O4-(2-benzyloxycarbonylamino-α-D-2-deoxy-glucopyranosyl)-1D-2-deoxy-streptamine
    —— O,O-diisopropyl-1-N-(Z-L-alanylamino)-2-(4-fluorophenyl)-ethylphosphonate 130849-54-6 C25H34FN2O6P
    O,O-diisopropyl-1-N-(Z-L-alanylamino)-2-(4-fluorophenyl)-ethylphosphonate
    —— [OsH(κ-N,N-o-NHC6H4NH)(acetonitrile)(P(i)Pr3)2]PF6 1323952-48-2 C26H52N3OsP2*F6P
    [OsH(κ-N,N-o-NHC6H4NH)(acetonitrile)(P(i)Pr3)2]PF6
    —— oxepino[2,3-<i>b</i>]quinoxaline 37905-89-8 C12H8N2O
    oxepino[2,3-<i>b</i>]quinoxaline
    —— O-Benzolsulfonylhexanolactim 100391-26-2 C12H15NO3S
    O-Benzolsulfonylhexanolactim
    —— (+/-)-O-Benzyloxycarbonylglycyl-serin-benzylester 104038-21-3 C20H22N2O6
    (+/-)-O-Benzyloxycarbonylglycyl-serin-benzylester
    —— -OOX 18087-33-7 C28H24N2O
    -OOX
    —— o-Cyan-N-(p-sulfamylphenyl)-benzylsulfonamid 31843-17-1 C14H13N3O4S2
    o-Cyan-N-(p-sulfamylphenyl)-benzylsulfonamid
    —— {OsBrbipyterpy}Br 108242-04-2 Br*C25H19BrN5Os
    {OsBrbipyterpy}Br
    —— octyl 4-O-acetyl-2,3-di-O-benzyl-α-L-fucopyranosyl-(1->2)-3,4,6-tri-O-benzyl-β-D-galactopyranoside 283587-73-5 C57H70O11
    octyl 4-O-acetyl-2,3-di-O-benzyl-α-L-fucopyranosyl-(1->2)-3,4,6-tri-O-benzyl-β-D-galactopyranoside
    —— opt.-inakt.-2-<3-Cyclohexylamino-2-hydroxy-propyl>-1,4-benzodioxan 95022-08-5 C17H25NO3
    opt.-inakt.-2-<3-Cyclohexylamino-2-hydroxy-propyl>-1,4-benzodioxan
    —— o-chlorophenyl(N-diethyl-N'-tert-butylamino)arsine 127026-86-2 C14H24AsClN2
    o-chlorophenyl(N-diethyl-N'-tert-butylamino)arsine
    —— O-benzoyl-2-acetylaminobenzamidoxime 135103-78-5 C16H15N3O3
    O-benzoyl-2-acetylaminobenzamidoxime
    —— oxime E de la (-)dimethyl-2,5 (methyl-1 ethenyl)-2 cyclohexanone 106550-04-3 C11H19NO
    oxime E de la (-)dimethyl-2,5 (methyl-1 ethenyl)-2 cyclohexanone
    —— O-Cyclododecyl-O'-4-chlorophenyl thionocarbonate 144752-17-0 C19H27ClO2S
    O-Cyclododecyl-O'-4-chlorophenyl thionocarbonate
    —— O-[(3aR,5R,6S,6aR)-2,2-dimethyl-5-[(4R)-2-sulfanylidene-1,3-dioxolan-4-yl]-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-yl] imidazole-1-carbothioate 119688-89-0 C14H16N2O6S2
    O-[(3aR,5R,6S,6aR)-2,2-dimethyl-5-[(4R)-2-sulfanylidene-1,3-dioxolan-4-yl]-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-yl] imidazole-1-carbothioate
    —— oxazireno[2,3-f]phenanthridine-10b-carbonitrile 74221-81-1 C14H8N2O
    oxazireno[2,3-f]phenanthridine-10b-carbonitrile
    —— Oxim des 2-Diphenylmethyl-acetessigsaeure-phenylhydrazid 96368-77-3 C23H23N3O2
    Oxim des 2-Diphenylmethyl-acetessigsaeure-phenylhydrazid
    —— O-(2-Fluoro-phenyl)-hydroxylamine 128080-07-9 C6H6FNO
    O-(2-Fluoro-phenyl)-hydroxylamine
    —— O-(2,3,4-tri-O-benzoyl-β-D-xylopyranosyl)-(1<*>4)-1,2,3-tri-O-benzoyl-β-D-xylopyranose 173468-16-1 C52H42O15
    O-(2,3,4-tri-O-benzoyl-β-D-xylopyranosyl)-(1<*>4)-1,2,3-tri-O-benzoyl-β-D-xylopyranose
    —— oxocan-4-ol 38786-50-4 C7H14O2
    oxocan-4-ol
    —— O-[1-(4-bromophenoxy)butan-2-yl] N-phenylcarbamothioate 87536-85-4 C17H18BrNO2S
    O-[1-(4-bromophenoxy)butan-2-yl] N-phenylcarbamothioate
    —— [Os(CH2CH2CH2NH2)(CO)(η2-CH2=CHCH2NH2)(P(i-Pr)3)]Cl 1257345-19-9 C16H36N2OOsP*Cl
    [Os(CH2CH2CH2NH2)(CO)(η2-CH2=CHCH2NH2)(P(i-Pr)3)]Cl
    —— octyl 2,3,5,6-tetra-O-acetyl-β-D-galactofuranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranoside 916767-23-2 C49H64O15
    octyl 2,3,5,6-tetra-O-acetyl-β-D-galactofuranosyl-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranoside
    —— Oxoosmium--hydrogen chloride (1/4) 36509-15-6 Cl4H4OOs
    Oxoosmium--hydrogen chloride (1/4)
    —— [Os(VI)(N)(N,N'-bis(salicylidene)-o-phenylenediiminate)(CH3OH)](ClO4) 255819-56-8 C21H18N3O3Os*ClO4
    [Os(VI)(N)(N,N'-bis(salicylidene)-o-phenylenediiminate)(CH3OH)](ClO4)
    —— opt-inakt. 3-Methyl-4-phenyl-2,4-dicyan-buttersaeure-aethylester 92579-65-2 C15H16N2O2
    opt-inakt. 3-Methyl-4-phenyl-2,4-dicyan-buttersaeure-aethylester
    —— operculin V 132625-00-4 C70H124O25
    operculin V
    —— octan-3-yl N-[4-[1-[4-(trifluoromethoxy)phenyl]-1,2,4-triazol-3-yl]phenyl]carbamate 1265174-40-0 C24H27F3N4O3
    octan-3-yl N-[4-[1-[4-(trifluoromethoxy)phenyl]-1,2,4-triazol-3-yl]phenyl]carbamate
    —— O<sup>1</sup>-Acetyl-O<sup>2</sup>-<4-nitro-benzoyl>-3-C-<4-nitro-benzoyloxymethyl>-3-desoxy-ξ-D-erythrofuranose 20789-71-3 C21H18N2O11
    O<sup>1</sup>-Acetyl-O<sup>2</sup>-<4-nitro-benzoyl>-3-C-<4-nitro-benzoyloxymethyl>-3-desoxy-ξ-D-erythrofuranose
    —— O,O-Diphenyl-S-(2,5-dimethyl-phenylmercapto)-dithiophosphat 100065-12-1 C20H19O2PS3
    O,O-Diphenyl-S-(2,5-dimethyl-phenylmercapto)-dithiophosphat
    —— opt.-inakt.-4-Methyl-2-oxo-4,6-diphenyl-1,2,3,4-tetrahydro-pyridin-3-carbonitril 1444-34-4 C19H16N2O
    opt.-inakt.-4-Methyl-2-oxo-4,6-diphenyl-1,2,3,4-tetrahydro-pyridin-3-carbonitril
    —— Oestradiol-3-benzoat-17-cathylat 122426-64-6 C28H32O5
    Oestradiol-3-benzoat-17-cathylat
    —— O,O,O',O'-tetramethyl propane-1,2-diylbis(phosphoramidothioate) 1613228-23-1 C7H20N2O4P2S2
    O,O,O',O'-tetramethyl propane-1,2-diylbis(phosphoramidothioate)
    —— O-ethyl S-5-oxo-1-(N-(3,5,6-trifluoro-4-(1H-indol-1-yl)pyridin-2-yl)acetamido)hexan-2-yl carbonodithioate 1608082-74-1 C24H24F3N3O3S2
    O-ethyl S-5-oxo-1-(N-(3,5,6-trifluoro-4-(1H-indol-1-yl)pyridin-2-yl)acetamido)hexan-2-yl carbonodithioate
    —— O-Acetyl-epivoacangarin 4913-96-6 C24H30N2O5
    O-Acetyl-epivoacangarin
    —— o-(3-phenyl-1,2,4-oxadiazol-5-yl)-1-benzoylpyrrolidine 1046264-08-7 C19H17N3O2
    o-(3-phenyl-1,2,4-oxadiazol-5-yl)-1-benzoylpyrrolidine
    —— oxyde de dimethyl-4,5-diphenyl-2,7-oxa-1-phospha-2-cycloheptadiene-4,6 41902-21-0 C19H19O2P
    oxyde de dimethyl-4,5-diphenyl-2,7-oxa-1-phospha-2-cycloheptadiene-4,6
    —— Oxymethylphosphonsaeure-<dimethylthio-carbaminsaeureester>-dibutylester 96653-17-7 C12H26NO4PS
    Oxymethylphosphonsaeure-<dimethylthio-carbaminsaeureester>-dibutylester
    —— O-cholesteryl-O'-(pentafluorophenyl) thionocarbonate 144752-22-7 C34H45F5O2S
    O-cholesteryl-O'-(pentafluorophenyl) thionocarbonate
    —— O-({[bis(benzyloxy)phosphoryl]oxy}methyl) S-(sec-butyl) thiocarbonate 935680-47-0 C20H25O6PS
    O-({[bis(benzyloxy)phosphoryl]oxy}methyl) S-(sec-butyl) thiocarbonate
    —— O,O-dipropyl diethylphosphoramidoselenoate 24330-39-0 C10H24NO2PSe
    O,O-dipropyl diethylphosphoramidoselenoate
    —— O-ethyl-N-diethylamidocyanophosphite 115045-04-0 C7H15N2OP
    O-ethyl-N-diethylamidocyanophosphite
    —— O,O-diethyl (3-ethyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)phosphonothioate 1421946-53-3 C15H21N2O3PS
    O,O-diethyl (3-ethyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)phosphonothioate