((3-Hydroxy-2-pyridyl)methyl)trimethylammonium bromide dimethylcarbamate (ester) 66967-92-8 AMMONIUM, ((3-HYDROXY-2-PYRIDYL)METHYL)TRIMETHYL-, BROMIDE, DIMETHYLCARBAMATE (e Ammonium, ((3-hydroxy-2-pyridyl)methyl)trimethyl-, bromide, dimethylcarbamate (ester) Ro 2-1658