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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— Oxo-thieno[3,2-b]thiophen-2-yl-acetic acid 98800-13-6 C8H4O3S2
    Oxo-thieno[3,2-b]thiophen-2-yl-acetic acid
    —— (+/-)-O-benzyltetrahydrogroenlandicine 93666-60-5 C26H25NO4
    (+/-)-O-benzyltetrahydrogroenlandicine
    —— (+/-)-O-benzylcheilanthifoline 93697-21-3 C26H25NO4
    (+/-)-O-benzylcheilanthifoline
    —— Oxetanocin A N<sup>6</sup>-benzoate 121885-21-0 C17H17N5O4
    Oxetanocin A N<sup>6</sup>-benzoate
    —— octyl (E)-5,5-dimethoxy-3-methylpent-2-enoate 237749-54-1 C16H30O4
    octyl (E)-5,5-dimethoxy-3-methylpent-2-enoate
    —— o-(2-Bromoethyl)benzophenone 2029-69-8 C15H13BrO
    o-(2-Bromoethyl)benzophenone
    —— O-ethyl [1-(N-acetyl-4-bromoanilino)-4-(2'-oxospiro[1,3-dioxolane-2,3'-indole]-1'-yl)butan-2-yl]sulfanylmethanethioate 1167424-46-5 C25H27BrN2O5S2
    O-ethyl [1-(N-acetyl-4-bromoanilino)-4-(2'-oxospiro[1,3-dioxolane-2,3'-indole]-1'-yl)butan-2-yl]sulfanylmethanethioate
    —— O-(1-phenylpropan-2-yl) N-(4-nitrophenyl)carbamothioate 1033617-79-6 C16H16N2O3S
    O-(1-phenylpropan-2-yl) N-(4-nitrophenyl)carbamothioate
    —— O-(1-Methyl-2-phenyl-ethyl)-hydroxylamin 94115-37-4 C9H13NO
    O-(1-Methyl-2-phenyl-ethyl)-hydroxylamin
    —— o-<2-(N,N-Dimethylamino)ethyl>benzophenone 161040-98-8 C17H19NO
    o-<2-(N,N-Dimethylamino)ethyl>benzophenone
    —— orthoformic acid trimesityl ester 33348-66-2 C28H34O3
    orthoformic acid trimesityl ester
    —— octa-2,4,6-trienedial 3049-34-1 C8H8O2
    octa-2,4,6-trienedial
    —— O-ethyl-benzyl-methylphosphinate 91011-36-8 C10H15O2P
    O-ethyl-benzyl-methylphosphinate
    —— Octyl 3-ethenyl-4-(4-octoxyphenyl)benzoate 1313390-05-4 C31H44O3
    Octyl 3-ethenyl-4-(4-octoxyphenyl)benzoate
    —— O<sup>1</sup>,O<sup>3</sup>,O<sup>2</sup>,O<sup>4</sup>-Dibenzyliden-ribit 4148-60-1 C19H20O5
    O<sup>1</sup>,O<sup>3</sup>,O<sup>2</sup>,O<sup>4</sup>-Dibenzyliden-ribit
    —— Oxythiamine octyl disulfide 84714-60-3 C20H33N3O3S2
    Oxythiamine octyl disulfide
    —— O-α-D-Galactopyranosyl-(1->3)-O-α-D-glucopyranosyl-(1->3)-O-α-L-rhamnopyranosyl-(1->3)-D-ribitol 95258-46-1 C23H42O19
    O-α-D-Galactopyranosyl-(1->3)-O-α-D-glucopyranosyl-(1->3)-O-α-L-rhamnopyranosyl-(1->3)-D-ribitol
    —— oct-3<i>t</i>-ene-1,2-diol 52812-52-9 C8H16O2
    oct-3<i>t</i>-ene-1,2-diol
    —— oxido-(2,4,6-trimethylphenyl)-(2,4,6-trimethylphenyl)iminoazanium 39201-71-3 C18H22N2O
    oxido-(2,4,6-trimethylphenyl)-(2,4,6-trimethylphenyl)iminoazanium
    —— O-propargylsalicylaldehyde S,S-diethyldithioacetal 840522-72-7 C14H18OS2
    O-propargylsalicylaldehyde S,S-diethyldithioacetal
    —— Ochratoxin B-[d5] —— C20H19NO6
    Ochratoxin B-[d5]
    —— ochratoxin B methyl ester 18496-57-6 C21H21NO6
    ochratoxin B methyl ester
    —— (octane-1-sulfonyl)-urea 98952-48-8 C9H20N2O3S
    (octane-1-sulfonyl)-urea
    —— O-4-formylbutyl O-phenyl thionocarbonate 136547-59-6 C12H14O3S
    O-4-formylbutyl O-phenyl thionocarbonate
    —— octadecyl (E,12R)-12-hydroxyoctadec-9-enoate —— C36H70O3
    octadecyl (E,12R)-12-hydroxyoctadec-9-enoate
    —— octyl (E,12R)-12-hydroxyoctadec-9-enoate —— C26H50O3
    octyl (E,12R)-12-hydroxyoctadec-9-enoate
    —— o,p-dicyano-α-nitrocumene 123871-55-6 C11H9N3O2
    o,p-dicyano-α-nitrocumene
    —— o-nitrophenylsulfenyl-phenylalaninedicyclohexylammonium salt 80971-72-8 C12H23N*C15H14N2O4S
    o-nitrophenylsulfenyl-phenylalaninedicyclohexylammonium salt
    —— o,o'-Diazidoazobenzol 3364-08-7 C12H8N8
    o,o'-Diazidoazobenzol
    —— Oxapadol 56969-22-3 C17H14N2O2
    Oxapadol
    —— Ornithin 80573-35-9 C5H12N2O2
    Ornithin
    —— O-2-naphthenyl ethanethioic acid 123933-33-5 C12H10OS
    O-2-naphthenyl ethanethioic acid
    —— (+)-omphadiol 302820-11-7 C15H26O2
    (+)-omphadiol
    —— o-Formylbenzenesulfonic acid (5-nitro-2-pyridyl)hydrazone monosodium salt 29388-82-7 C12H9N4NaO5S
    o-Formylbenzenesulfonic acid (5-nitro-2-pyridyl)hydrazone monosodium salt
    —— Octyl 3-((6-chloro-3-pyridazinyl)hydrazono)butanoate 69578-93-4 C16H25ClN4O2
    Octyl 3-((6-chloro-3-pyridazinyl)hydrazono)butanoate
    —— Octanoic acid, 8-chloro-6-hydroxy-, methyl ester, (6S)- 188412-13-7 C9H17ClO3
    Octanoic acid, 8-chloro-6-hydroxy-, methyl ester, (6S)-
    —— O-Desmethyl Everolimus 745779-75-3 C52H81NO14
    O-Desmethyl Everolimus
    —— Oxacycloeicosane-2-propanoicacid, 19-amino-16,17,18,20-tetrahydroxy-2-methyl-, (+)- 208528-58-9 C23H45NO7
    Oxacycloeicosane-2-propanoicacid, 19-amino-16,17,18,20-tetrahydroxy-2-methyl-, (+)-
    —— O-(2-oxo-1,3,4-triphenylazetidin-3-yl) methylsulfanylmethanethioate 7232-79-3 C23H19NO2S2
    O-(2-oxo-1,3,4-triphenylazetidin-3-yl) methylsulfanylmethanethioate
    —— Oxalyl bis(benzylidenehydrazide) —— C16H14N4O2
    Oxalyl bis(benzylidenehydrazide)
    —— Odoratrin 71252-72-7 C37H44O10
    Odoratrin
    —— Oxirane--thiirane (1/1) 42556-95-6 C4H8OS
    Oxirane--thiirane (1/1)
    —— O-(2-(Acetyloxy)ethyl) S-butyl methylphosphonothioate 66957-41-3 C9H19O4PS
    O-(2-(Acetyloxy)ethyl) S-butyl methylphosphonothioate
    —— O-(4-(1-(((Ethoxycarbonyl)oxy)imino)ethyl)phenyl) O,O-diethyl phosphorothioate 22936-34-1 C15H22NO6PS
    O-(4-(1-(((Ethoxycarbonyl)oxy)imino)ethyl)phenyl) O,O-diethyl phosphorothioate
    —— Oxonium, [(1Z,3Z)-1-(1,1,2,2-tetrafluoropropyl)-3-(trifluoromethyl)-1,3-propanediylidene]bis-, (Z,Z)-, copper salt —— C14H14CuF14O4+4
    Oxonium, [(1Z,3Z)-1-(1,1,2,2-tetrafluoropropyl)-3-(trifluoromethyl)-1,3-propanediylidene]bis-, (Z,Z)-, copper salt
    —— O-propyl hexylchlorophosphonate 959108-34-0 C9H20ClO3P
    O-propyl hexylchlorophosphonate
    —— octadecyl (E,12R)-12-octadecanoyloxyoctadec-9-enoate —— C54H104O4
    octadecyl (E,12R)-12-octadecanoyloxyoctadec-9-enoate
    —— Octadecanamide, N,Na(2)-[carbonylbis[(ethylimino)-2,1-ethanediyl]]bis- 93917-78-3 C45H90N4O3
    Octadecanamide, N,Na(2)-[carbonylbis[(ethylimino)-2,1-ethanediyl]]bis-
    —— O-Acetyl-2.3-dimethoxy-5.6-dimethyl-hydrochinon 25181-84-4 C12H16O5
    O-Acetyl-2.3-dimethoxy-5.6-dimethyl-hydrochinon
    —— Octadec-9t-ensaeure-(2-ethoxy-ethylester) 119250-44-1 C22H42O3
    Octadec-9t-ensaeure-(2-ethoxy-ethylester)