1-(1-Adamantyl)-4-methyl-piperazine dihydrochloride 30537-94-1 Adamantane, 1-(1-(4-methyl)piperazinyl)-, dihydrochloride Piperazine, 1-(1-adamantyl)-4-methyl-, 2HCl Piperazine, 1-(1-adamantyl)-4-methyl-, dihydrochloride