118638-07-6 4-Dibenzofuranol, 6,7,8,9-tetrahydro-3-((4-methyl-1-piperazinyl)methyl)-, dihydrochloride 6,7,8,9-Tetrahydro-3-((4-methyl-1-piperazinyl)methyl)-4-dibenzofuranol dihydrochloride