S-584

1-(2-pyrimidyl)-4-(3,4-dihydroxybenzyl)piperazine

4-[4-(2-Pyrimidinyl)-1-piperazinylmethyl]benzene-1,2-diol

4-((4-(2-Pyrimidinyl)-1-piperazinyl)methyl)pyrocatechol hydrochloride hydrate (2:4:1)