2-Ethyl-7-hydroxy-8-piperidinomethylchromone hydrochloride 4H-1-Benzopyran-4-one, 2-ethyl-7-hydroxy-8-(1-piperidinylmethyl)-, hydrochloride 67195-84-0 CHROMONE, 2-ETHYL-7-HYDROXY-8-PIPERIDINOMETHYL-, HYDROCHLORIDE