Oxfendazole with impurity D

Oxibendazole

Oxitropium bromide

Oxitropium bromide impurity B - (1R,2R,4S,5S,7s)-7-[[(2S)-3-hydroxy-2-phenylpropanoyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane (methylhyoscine)

Oxitropium bromide impurity D - (1R,2R,4S,5S,7s,9r)-9-ethyl-9-methyl-7-[(2-phenylprop-2-enoyl)oxy]-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane (apo-N-ethylhyoscine)

Oxolinic acid

Oxolinic acid impurity A - 8-hydroxy-1,3-dioxolo[4,5-g]quinoline-7-carboxylic acid

Oxolinic acid impurity B - ethyl 5-ethyl-8-oxo-5,8-dihydro-1,3-dioxolo[4,5-g]quinoline-7-carboxylate

Oxprenolol hydrochloride

Oxybuprocaine hydrochloride