1-(1-Adamantyl)-4-phenylpiperazine dihydrochloride 37819-61-7 Adamantane, 1-(4-phenyl-1-piperazinyl)-, dihydrochloride Piperazine, 1-(1-adamantyl)-4-phenyl-, 2HCl Piperazine, 1-(1-adamantyl)-4-phenyl-, dihydrochloride