purin,amine,piperazinyl,1-piperazin,1-piperazinyl
Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
856679-08-8Benzenesulfonamide,2-methyl-N-[7-[(2-methyl-1-piperazinyl)methyl]-5-benzofuranyl]-,dihydrochloride