1-辛基磷酸, 1-Octylphosphonic acid

2-辛炔酸, 2-Octynoic acid

齐墩果酸, Oleanolic Acid

L-鸟氨酸盐酸盐, L-Ornithine hydrochloride

氧化锇(IV), Osmium(IV) oxide

2-氧杂-6-氮杂螺[3.4]辛烷, 2-Oxa-6-azaspiro[3.4]octane

草酸, Oxalic acid

草氨酸钠, Oxamic acid sodium salt

奥卡西平, Oxcarbazepine

3-Oxobutanenitrile

Oxone®

钯,0.5%负载于 2-4 mm 氧化铝球, Palladium,0.5% on 2-4 mm alumina spheres

钯,5% 负载于 3mm 氧化铝片上, Palladium,5% on 3mm alumina pellets

钯,5%负载于碳,Type 87L, Palladium,5% on carbon

钯,5%负载于活性碳, Palladium,5% on activated carbon powder