邻氨基苯磺酸, Orthanilic Acid

1-氧杂-6-氮杂螺[3.4]辛烷草酸盐, 1-Oxa-6-azaspiro[3.4]octane oxalate

草酰乙酸, Oxalacetic Acid

草酸, Oxalic acid

5-羧基唑, Oxazole-5-carboxylic acid

甲苯-4-磺酸氧杂环丁-3-基酯, 3-Oxetanyl p-Toluenesulfonate

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

4,4'-二苯醚二甲酸, 4,4'-Oxybis(benzoic acid)

钯,1% 负载于碳颗粒, Palladium,1% on granular carbon

钯, Palladium,5% on calcium carbonate