2-Pyridylmethyl alpha-ethyl-alpha-methylhexanoate hydrochloride 42023-73-4 F 1218 HEXANOIC ACID, 2-ETHYL-2-METHYL-, 2-PYRIDYLMETHYL ESTER, HYDROCHLORIDE Methanol, 2-pyridyl-, alpha-ethyl-alpha-methylhexanoate hydrochloride