benzenamine,methyl,piperazinyl,monohydrochloride,1-piperazin,1-piperazinyl
1-Piperazin
79712-25-71H-Purine-2,6-dione,3,7-dihydro-1,3-dimethyl-7-[3-[4-(2-phenoxyethyl)-1-piperazinyl]propyl]-,dihydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid