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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— O4,O5-carbonyl-O1,O2-isopropylidene-3-pyridin-2-yl-β-D-psicopyranose 71246-21-4 C15H17NO7
    O4,O5-carbonyl-O1,O2-isopropylidene-3-pyridin-2-yl-β-D-psicopyranose
    —— o-<α-(3-Methoxy-1-naphthyl)ethyl>benzoesaeure 60049-66-3 C20H18O3
    o-<α-(3-Methoxy-1-naphthyl)ethyl>benzoesaeure
    —— O,O'-bis(trimethylsilyl)thymine 1527507-82-9 C37H44N2O9Si2
    O,O'-bis(trimethylsilyl)thymine
    —— O-<2-(diethylamino)ethyl> S,S-diethyl phosphorotrithioate 16499-78-8 C10H24NOPS3
    O-<2-(diethylamino)ethyl> S,S-diethyl phosphorotrithioate
    —— Octahydro-4,7-methano-1H-indene-2-propanal 1467039-69-5 C13H20O
    Octahydro-4,7-methano-1H-indene-2-propanal
    —— O-(4-chlorophenyl) S-(4-nitrophenyl) thiocarbonate 1034190-06-1 C13H8ClNO4S
    O-(4-chlorophenyl) S-(4-nitrophenyl) thiocarbonate
    —— O-(2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyl-N-benzyloxycarbonyl-L-serine-p-nitroanilide 845810-56-2 C31H35N3O15
    O-(2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyl-N-benzyloxycarbonyl-L-serine-p-nitroanilide
    —— [OsCl2(tapy)2] 87114-21-4 C24H22Cl2N6Os
    [OsCl2(tapy)2]
    —— (OC)4ReBrI(1-) 44965-52-8 C4BrIO4Re
    (OC)4ReBrI(1-)
    —— O-Butyl-epivincanol 59630-40-9 C23H32N2O
    O-Butyl-epivincanol
    —— octahydro-1H-pyrrolo[3,2-c]pyridin-2-onehydrochloride 2825012-29-9 C7H13ClN2O
    octahydro-1H-pyrrolo[3,2-c]pyridin-2-onehydrochloride
    —— Octanoic acid [1-(octanoylamino-methyl)-2-(tetrahydro-pyran-2-yloxy)-ethyl]-amide 145827-40-3 C24H46N2O4
    Octanoic acid [1-(octanoylamino-methyl)-2-(tetrahydro-pyran-2-yloxy)-ethyl]-amide
    —— oxetan-3-yl 4-((5-(4-methylsulfonyl-piperazin-1-yl)pyrazin-2-yloxy)methyl)piperidine-1-carboxylate 1134104-65-6 C19H29N5O6S
    oxetan-3-yl 4-((5-(4-methylsulfonyl-piperazin-1-yl)pyrazin-2-yloxy)methyl)piperidine-1-carboxylate
    —— O<sup>2'</sup>-benzoyluridine cyclic 3',5'-phosphoranilidate (S(P)) 87063-88-5 C22H20N3O8P
    O<sup>2'</sup>-benzoyluridine cyclic 3',5'-phosphoranilidate (S(P))
    —— [Os(η2-1,3-di-p-tolyltriazenide)(η6-p-cymene)(tert-butyl isocyanide)](tetraphenylborate) 1247000-34-5 C24H20B*C29H37N4Os
    [Os(η2-1,3-di-p-tolyltriazenide)(η6-p-cymene)(tert-butyl isocyanide)](tetraphenylborate)
    —— O-Benzoyl-thiaminic acid 4556-51-8 C19H22N4O6S
    O-Benzoyl-thiaminic acid
    —— O-methyl 2-[(2S,3R)-5-ethoxy-2-(phenylmethoxymethyl)oxolan-3-yl]ethanethioate 136369-58-9 C17H24O4S
    O-methyl 2-[(2S,3R)-5-ethoxy-2-(phenylmethoxymethyl)oxolan-3-yl]ethanethioate
    —— (oxydiethane-2,1-diyl)bis[dibenzylphosphin] dioxide 470454-19-4 C32H36O3P2
    (oxydiethane-2,1-diyl)bis[dibenzylphosphin] dioxide
    —— O,S-Bis-(α-N-Benzyloxycarbonylvalyl)-thiamin 59310-08-6 C38H48N6O8S
    O,S-Bis-(α-N-Benzyloxycarbonylvalyl)-thiamin
    —— O-Menthylphenyl-p-tolylarsinothioat 63176-15-8 C23H31AsOS
    O-Menthylphenyl-p-tolylarsinothioat
    —— O-α-L-fucopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-1,6-anhydro-β-D-glucopyranose 78880-08-7 C18H30O14
    O-α-L-fucopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-1,6-anhydro-β-D-glucopyranose
    —— O-(2,3,4-tri-O-acetyl-β-L-fucopyranosyl)-(1-6)-O-(2,3,4-tri-O-acetyl-β-D-galactopyranosyl)-(1-4)-1,6-anhydro-2,3-di-O-acetyl-β-D-glucopyranose 86462-19-3 C34H46O22
    O-(2,3,4-tri-O-acetyl-β-L-fucopyranosyl)-(1-6)-O-(2,3,4-tri-O-acetyl-β-D-galactopyranosyl)-(1-4)-1,6-anhydro-2,3-di-O-acetyl-β-D-glucopyranose
    —— o-Hydroxylaminobenzanilid 58626-24-7 C13H12N2O2
    o-Hydroxylaminobenzanilid
    —— O2,O3-diacetyl-5-diazo-L-threo-5-deoxy-[4]pentulosonic acid methyl ester 113092-80-1 C10H12N2O7
    O2,O3-diacetyl-5-diazo-L-threo-5-deoxy-[4]pentulosonic acid methyl ester
    —— oxo(triethyl-l5-phosphaneyl)niobium(VI) triethylphosphonium chloride 162586-91-6 C6H15Cl4NbOP*C6H16P
    oxo(triethyl-l5-phosphaneyl)niobium(VI) triethylphosphonium chloride
    —— O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-L-serine myristylamide 171191-23-4 C31H54N2O11
    O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-L-serine myristylamide
    —— o-phenylene mercury hexamer 256-24-6 C36H24Hg6
    o-phenylene mercury hexamer
    —— O-(3,4-di-O-acetyl-2,6-didesoxy-2-iodo-α-L-manno-hexopyranosyl)-(1->4)-1-O-acetyl-3-azido-2,3,6-tridesoxy-α-L-arabino-hexopyranose 127444-70-6 C18H26IN3O9
    O-(3,4-di-O-acetyl-2,6-didesoxy-2-iodo-α-L-manno-hexopyranosyl)-(1->4)-1-O-acetyl-3-azido-2,3,6-tridesoxy-α-L-arabino-hexopyranose
    —— O,O-dibutyl (α-methyl-β-propyl-β-cyclohexyliminoethyl)phosphonite 139230-84-5 C21H42NO2P
    O,O-dibutyl (α-methyl-β-propyl-β-cyclohexyliminoethyl)phosphonite
    —— O,O'-(triphenyl-l5-stibanediyl)bis(1-(4-methoxyphenyl)-4-methoxybenzaldehyde oxime) 78989-77-2 C34H31N2O4Sb
    O,O'-(triphenyl-l5-stibanediyl)bis(1-(4-methoxyphenyl)-4-methoxybenzaldehyde oxime)
    —— O<sup>6</sup>-allyl-2-[4-(hydroxymethyl)-1,2,3-triazol-1H-yl]-2',3',5'-tri-O-(tert-butyldimethylsilyl)inosine 1384519-69-0 C34H61N7O6Si3
    O<sup>6</sup>-allyl-2-[4-(hydroxymethyl)-1,2,3-triazol-1H-yl]-2',3',5'-tri-O-(tert-butyldimethylsilyl)inosine
    —— oct-1-yn-1-yl(phenyl)tellane 110296-07-6 C14H18Te
    oct-1-yn-1-yl(phenyl)tellane
    —— octahydro-8-(3-phenyl-2-propenyl)azocin-2-one 253139-09-2 C16H21NO
    octahydro-8-(3-phenyl-2-propenyl)azocin-2-one
    —— O-dimethylchloroaluminum-O-methylchloroaluminum-1-phenyl-2-(1,3,5-dithiazinan-5-yl)ethanolate 633336-14-8 C14H23Al2Cl2NOS2
    O-dimethylchloroaluminum-O-methylchloroaluminum-1-phenyl-2-(1,3,5-dithiazinan-5-yl)ethanolate
    —— O-((3aR,4S,5S,6aS)-4-((S)-5-methoxyheptyl)-5',5'-dimethylhexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5-yl) O-phenyl carbonothioate 793685-17-3 C28H42O5S
    O-((3aR,4S,5S,6aS)-4-((S)-5-methoxyheptyl)-5',5'-dimethylhexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5-yl) O-phenyl carbonothioate
    —— o-Octyldiphenylamin 52033-72-4 C20H27N
    o-Octyldiphenylamin
    —— O-Toluolsulfonyl-7,11-dimethyl-dodecatrien-(3-trans,7-trans,11)-ol-(1) 33596-96-2 C21H30O3S
    O-Toluolsulfonyl-7,11-dimethyl-dodecatrien-(3-trans,7-trans,11)-ol-(1)
    —— O,O-Dibenzyl-N-aethyl-phosphoramidat 3881-19-4 C16H20NO3P
    O,O-Dibenzyl-N-aethyl-phosphoramidat
    —— Oxytocin, di-ser(1,6)- 28278-63-9 C43H68N12O14
    Oxytocin, di-ser(1,6)-
    —— O,O'-Bis-(iodoacetyl)-1,8-octamethylenediol 5782-87-6 C12H20I2O4
    O,O'-Bis-(iodoacetyl)-1,8-octamethylenediol
    —— Oestron-<2-acetoxy-ethylether> 111162-78-8 C22H28O4
    Oestron-<2-acetoxy-ethylether>
    —— optically inactive 3-methyl-2-(1-methyl-pentyl)-glutaric acid di-<i>sec</i>-butyl ester 95938-34-4 C20H38O4
    optically inactive 3-methyl-2-(1-methyl-pentyl)-glutaric acid di-<i>sec</i>-butyl ester
    —— Octanoic acid [(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-hydroxymethyl-2-(4-nitro-phenoxy)-tetrahydro-pyran-3-yl]-amide 59343-95-2 C20H30N2O8
    Octanoic acid [(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-hydroxymethyl-2-(4-nitro-phenoxy)-tetrahydro-pyran-3-yl]-amide
    —— Oxazolin13 62696-33-7 C13H17NO
    Oxazolin13
    —— (o-Carboxy)benzyloxypropionsaeure 20924-60-1 C11H12O5
    (o-Carboxy)benzyloxypropionsaeure
    —— octacyclo[10.6.6.25,8.14,9.02,11.04,9.013,18.019,24]heptacosa-2(11),13,15,17,19,21,23-heptaene 127618-27-3 C27H26
    octacyclo[10.6.6.25,8.14,9.02,11.04,9.013,18.019,24]heptacosa-2(11),13,15,17,19,21,23-heptaene
    —— O-[(2R,3S,5R)-5-(6-Amino-purin-9-yl)-3-(tert-butyl-diphenyl-silanyloxy)-tetrahydro-furan-2-ylmethyl]-N-methyl-hydroxylamine 195326-41-1 C27H34N6O3Si
    O-[(2R,3S,5R)-5-(6-Amino-purin-9-yl)-3-(tert-butyl-diphenyl-silanyloxy)-tetrahydro-furan-2-ylmethyl]-N-methyl-hydroxylamine
    —— (-)-Octadecan-1,16-diol 50302-27-7 C18H38O2
    (-)-Octadecan-1,16-diol
    —— (ortho-Me-Ph)SnMe2Cl 1138816-10-0 C9H13ClSn
    (ortho-Me-Ph)SnMe2Cl
    —— O-methyl S-((trimethylsilyl)methyl) (E)-methylcarbonimidothioate 76669-21-1 C7H17NOSSi
    O-methyl S-((trimethylsilyl)methyl) (E)-methylcarbonimidothioate