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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— Oxazolidine,5-ethoxy-2-methyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)- —— C11H21NO4
    Oxazolidine,5-ethoxy-2-methyl-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-
    —— o-(p-Chlorophenyl) S-(2-(3-phenylureido)ethyl) thiocarbonate —— C16H15ClN2O3S
    o-(p-Chlorophenyl) S-(2-(3-phenylureido)ethyl) thiocarbonate
    —— Octanoic acid, 2-methoxy-2-oxo-1-phenylethyl —— C17H24O4
    Octanoic acid, 2-methoxy-2-oxo-1-phenylethyl
    —— Octanoic acid, cyclobutyl ester —— C12H22O2
    Octanoic acid, cyclobutyl ester
    —— Oxazolidine-2,4-dithione, 5-cyclohexylideno-3-ethyl- —— C11H15NOS2
    Oxazolidine-2,4-dithione, 5-cyclohexylideno-3-ethyl-
    —— Octanoic acid, 4-tetradecyl ester —— C22H44O2
    Octanoic acid, 4-tetradecyl ester
    —— o-(3-Cyano-4,6-dimethyl-5-nitro-2-pyridinyl) o,o-dimethyl thiophosphate —— C10H12N3O5PS
    o-(3-Cyano-4,6-dimethyl-5-nitro-2-pyridinyl) o,o-dimethyl thiophosphate
    —— o-<β-Naphthylazo>-toluol 96874-19-0 C17H14N2
    o-<β-Naphthylazo>-toluol
    —— o-<α-Naphthylazo>-benzoesaeure 93326-63-7 C17H12N2O2
    o-<α-Naphthylazo>-benzoesaeure
    —— Octanoic acid, 3-tetradecyl ester —— C22H44O2
    Octanoic acid, 3-tetradecyl ester
    —— Octanoic acid, 4-pentadecyl ester —— C23H46O2
    Octanoic acid, 4-pentadecyl ester
    —— Octanoic acid, 6-ethyl-3-octyl ester —— C18H36O2
    Octanoic acid, 6-ethyl-3-octyl ester
    —— Octanoic acid, 3-pentadecyl ester —— C23H46O2
    Octanoic acid, 3-pentadecyl ester
    —— Octanoic acid, 4-tridecyl ester —— C21H42O2
    Octanoic acid, 4-tridecyl ester
    —— Octyl propylphosphonofluoridoate —— C11H24FO2P
    Octyl propylphosphonofluoridoate
    —— Oxamide, N-(4-chlorobenzyl)-N'-phenyl- 5379-25-9 C15H13ClN2O2
    Oxamide, N-(4-chlorobenzyl)-N'-phenyl-
    —— O-(5-Chloro-3-cyano-4,6-dimethyl-2-pyridinyl) O,O-dimethyl thiophosphate —— C10H12ClN2O3PS
    O-(5-Chloro-3-cyano-4,6-dimethyl-2-pyridinyl) O,O-dimethyl thiophosphate
    —— Oxamide, N-[3-(1-imidazolyl)propyl]-N'-(4-dimethylaminophenyl)- —— C16H21N5O2
    Oxamide, N-[3-(1-imidazolyl)propyl]-N'-(4-dimethylaminophenyl)-
    —— O-(6-(Methoxymethyl)-2-(4-(trifluoromethyl)phenyl)-4-pyrimidinyl) O,O-dimethyl thiophosphate 261959-20-0 C15H16F3N2O4PS
    O-(6-(Methoxymethyl)-2-(4-(trifluoromethyl)phenyl)-4-pyrimidinyl) O,O-dimethyl thiophosphate
    —— O16,O17-Dimethylspegazzinidine —— C23H32N2O4
    O16,O17-Dimethylspegazzinidine
    —— Oxamide, N-(2-benzothiazolyl)-N'-(2,2,6,6-tetramethyl-4-piperidyl)- —— C18H24N4O2S
    Oxamide, N-(2-benzothiazolyl)-N'-(2,2,6,6-tetramethyl-4-piperidyl)-
    —— o-Bromatropin 51491-66-8 C17H22BrNO3
    o-Bromatropin
    —— o-(p-Chlorophenyl) (2-(phenylthio)ethyl)thiocarbamate —— C15H14ClNOS2
    o-(p-Chlorophenyl) (2-(phenylthio)ethyl)thiocarbamate
    —— Octanoic acid 4-chloro-benzyl ester 16932-29-9 C15H21ClO2
    Octanoic acid 4-chloro-benzyl ester
    —— Oxazolidin-2-one, 4-hydroxy-4,5,5-trimethyl-3-(2,2,6,6-tetramethyl-4-piperidyl)- —— C15H28N2O3
    Oxazolidin-2-one, 4-hydroxy-4,5,5-trimethyl-3-(2,2,6,6-tetramethyl-4-piperidyl)-
    —— O-(4-Nitro-phenyl)-N-(β-phenylthio-aethyl)-urethan 52387-93-6 C15H14N2O4S
    O-(4-Nitro-phenyl)-N-(β-phenylthio-aethyl)-urethan
    —— o17-Methylspegazzinine —— C22H30N2O3
    o17-Methylspegazzinine
    —— Oxazole-5-butyramide, 4,gamma,gamma-trimethyl- —— C10H16N2O2
    Oxazole-5-butyramide, 4,gamma,gamma-trimethyl-
    —— O-Benzoyl-hypothiaminic acid 17417-62-8 C19H22N4O5S
    O-Benzoyl-hypothiaminic acid
    —— Octanoic acid, 1a,2,5,5a,6,9,10,10a-octahydro-5,5a-dihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-11-oxo-1H-2,8a-methanocyclopenta[a]cyclopropa[e]cyclodecen-6-yl ester, [1aR-(1aalpha,2alpha,5beta,5abeta,6beta,8aalpha,9alpha,10aalpha)]- —— C28H42O6
    Octanoic acid, 1a,2,5,5a,6,9,10,10a-octahydro-5,5a-dihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-11-oxo-1H-2,8a-methanocyclopenta[a]cyclopropa[e]cyclodecen-6-yl ester, [1aR-(1aalpha,2alpha,5beta,5abeta,6beta,8aalpha,9alpha,10aalpha)]-
    —— Oxamide, N-isobutyl-N'-(2,4-dimethylphenyl)- —— C14H20N2O2
    Oxamide, N-isobutyl-N'-(2,4-dimethylphenyl)-
    —— (Octahydrochromen-2-yl)acetonitrile —— C11H17NO
    (Octahydrochromen-2-yl)acetonitrile
    —— O-Aethyl-S-dimethylamino-N-phenyl-isothiourethan 7633-13-8 C11H16N2OS
    O-Aethyl-S-dimethylamino-N-phenyl-isothiourethan
    —— Oxamide, N-[4-(2-methylpropoxy)phenyl]-N'-(1-phenylethyl)- —— C20H24N2O3
    Oxamide, N-[4-(2-methylpropoxy)phenyl]-N'-(1-phenylethyl)-
    —— o-Nitrostyryl-(2-methyl-5-pyridyl)-keton 4636-95-7 C15H12N2O3
    o-Nitrostyryl-(2-methyl-5-pyridyl)-keton
    —— o-Toluic acid, 6-ethyl-3-octyl ester —— C18H28O2
    o-Toluic acid, 6-ethyl-3-octyl ester
    —— Oxamide, N-[2-(4-chlorophenyl)ethyl]-N'-(2,4-dimethylphenyl)- —— C18H19ClN2O2
    Oxamide, N-[2-(4-chlorophenyl)ethyl]-N'-(2,4-dimethylphenyl)-
    —— o-Toluic acid, 3-methylbutyl ester —— C13H18O2
    o-Toluic acid, 3-methylbutyl ester
    —— o-Toluic acid, 2-pentyl ester —— C13H18O2
    o-Toluic acid, 2-pentyl ester
    —— o-Toluic acid, 2-ethylhexyl ester —— C16H24O2
    o-Toluic acid, 2-ethylhexyl ester
    —— Octanoic acid, 8-phenylcarbamoyloxy-, methyl ester —— C16H23NO4
    Octanoic acid, 8-phenylcarbamoyloxy-, methyl ester
    —— o-Toluic acid, 2-ethylcyclohexyl ester —— C16H22O2
    o-Toluic acid, 2-ethylcyclohexyl ester
    —— o-Toluic acid, 2,2-dimethylpropyl ester —— C13H18O2
    o-Toluic acid, 2,2-dimethylpropyl ester
    —— Oxazolid-2-one, 4-methyl-3-acetyl-alpha,5-diphenyl- —— C18H17NO3
    Oxazolid-2-one, 4-methyl-3-acetyl-alpha,5-diphenyl-
    —— o,o'-Bis[phenylcarbamyl]terephthalic dihydroxamic acid —— C22H18N4O6
    o,o'-Bis[phenylcarbamyl]terephthalic dihydroxamic acid
    —— Oxazolid-2-one, 3-acetyl-2',4-diphenyl- —— C17H15NO3
    Oxazolid-2-one, 3-acetyl-2',4-diphenyl-
    —— Oxazolidin-2,4-dione, 3-[(2-hydroxy-1-methyl-2-phenyl)ethyl]-5-phenyl- —— C18H17NO4
    Oxazolidin-2,4-dione, 3-[(2-hydroxy-1-methyl-2-phenyl)ethyl]-5-phenyl-
    —— Octahydro-1,3,5-aethanyliden-2-thia-cyclobuta<c,d>pentalen-7-on-2,2-dioxid 19086-80-7 C10H10O3S
    Octahydro-1,3,5-aethanyliden-2-thia-cyclobuta<c,d>pentalen-7-on-2,2-dioxid
    —— Octanoic acid, 7-oxo-, trimethylsilyl ester —— C11H22O3Si
    Octanoic acid, 7-oxo-, trimethylsilyl ester
    —— Oxirane-2-carbonitrile, 3-(4-fluorophenyl)-2-(3-phenoxyphenyl)- —— C21H14FNO2
    Oxirane-2-carbonitrile, 3-(4-fluorophenyl)-2-(3-phenoxyphenyl)-