1,3-DIOXOLO(4,5-g)ISOQUINOLINE, 7-METHYL-5-(2-METHYLBUTYL)-, HYDROCHLORIDE 1-(2-Methylbutyl)-3-methyl-6,7-methylenedioxyisoquinoline hydrochloride 17105-22-5 7-Methyl-5-(2-methylbutyl)-1,3-dioxolo(4,5-g)isoquinoline hydrochloride