1,2,3,4-Tetrahydro-2-(2-piperidinoethyl)isoquinoline dihydrochloride 101670-57-9 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-2-(2-PIPERIDINOETHYL)-, DIHYDROCHLORIDE N-(beta-Piperidinoetil)-1,2,3,4-tetraidroisochinoline dicloridrato [Italian]