ethanone,piperazinyl,phenyl,ethanedioate,1-piperazin,1-piperazinyl
1-Piperazin
81996-68-11H-Purine-2,6-dione,7-[3-[4-(diphenylmethyl)-1-piperazinyl]propyl]-3,7-dihydro-1,3-dimethyl-,dihydrochloride
652168-01-91H-Purine-2,6-dione,7-[[4-(1,1-dimethylethyl)phenyl]methyl]-3,7-dihydro-1,3-dimethyl-8-[4-(2-methylphenyl)-1-piperazinyl]-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid