(3-Hydroxy-2-pyridyl)methyltrimethylammonium bromide diisopropylcarbamate (ester) 66967-91-7 AMMONIUM, (3-HYDROXY-2-PYRIDYL)METHYLTRIMETHYL-, BROMIDE, DIISOPROPYLCARBAMATE ( Ammonium, (3-hydroxy-2-pyridyl)methyltrimethyl-, bromide, diisopropylcarbamate (ester) Ro 2-2043