2,3-Diethyl-7-hydroxy-8-piperidinomethylchromone hydrochloride 4H-1-Benzopyran-4-one, 2,3-diethyl-7-hydroxy-8-(1-piperidinylmethyl)-, hydrochloride 67195-64-6 CHROMONE, 2,3-DIETHYL-7-HYDROXY-8-PIPERIDINOMETHYL-, HYDROCHLORIDE