71510-44-6 BUTYRIC ACID, 2-((9-METHOXY-7-METHYL-5-OXO-3a,4,4a,8,9,9a-HEXAHYDRO-5H-FURO(3,2- Butyric acid, 2-((9-methoxy-7-methyl-5-oxo-3a,4,4a,8,9,9a-hexahydro-5H-furo(3,2-g)(1)benzopyran-4-yl)oxy)-, 2-(diethylamino)ethyl ester, hydrochloride