1,3-DIOXOLO(4,5-g)ISOQUINOLINE, 5,6,7,8-TETRAHYDRO-5-(p-(ISOPROPYLSULFONYL)PHENY 1,3-Dioxolo(4,5-g)isoquinoline, 5,6,7,8-tetrahydro-5-(p-(isopropylsulfonyl)phenyl)-6-methyl-, hydrochloride 20884-96-2