十八-9-炔酸), 9-Octadecynoic acid

八(三甲基硅氧烷)倍半硅氧烷, Octakis(trimethylsiloxy)silsesquioxane

1--辛醇, 1-Octanol

八苯基环四硅氧烷, Octaphenylcyclotetrasiloxane

1-辛烯-3-酮, 1-Octen-3-one

4'-正辛基联苯基-4-甲腈, 4'-n-Octylbiphenyl-4-carbonitrile

4-正辛氧基苯腈, 4-n-Octyloxybenzonitrile

正辛基三甲氧基硅烷, n-Octyltrimethoxysilane

齐墩果酸, Oleanolic Acid

乳清酸水合物, Orotic acid hydrate

2-氧杂-7-氮杂螺[3.5]壬烷, 2-Oxa-7-azaspiro[3.5]nonane Hemioxalate

草酰乙酸, Oxalacetic Acid

草酰胺, Oxamide

3-氧杂环丁, 3-Oxetanol

3-羰基环戊烷羧酸, 3-Oxocyclopentanecarboxylic Acid