1-(1-Adamantyl)-4-benzylpiperazine dihydrochloride 38916-93-7 Adamantane, 1-(4-benzyl-1-piperazinyl)-, dihydrochloride Piperazine, 1-(1-adamantyl)-4-benzyl-, 2HCl Piperazine, 1-(1-adamantyl)-4-benzyl-, dihydrochloride