35685-98-4 FURO(2,3-g)-1,4-BENZODIOXIN-7-CARBOXYLIC ACID, 8-METHYL-, DIMETHYLAMINOPROPYL ES Furo(2,3-g)-1,4-benzodioxin-7-carboxylic acid, 8-methyl-, dimethylaminopropyl ester, hydrochloride