methyl,phenyl,benzyl,piperazinyl,propionate,1-piperazin,1-piperazinyl
Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
62128-77-2Benzoic acid, 3,4,5-trimethoxy-,2-[2,3,6,7-tetrahydro-8-[4-(3-hydroxypropyl)-1-piperazinyl]-3,7-dimethyl-2,6-dioxo-1H-purin-1-yl]ethyl ester
5876-10-81H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-7-[2-[4-(4-nitrophenyl)-1-piperazinyl]-2-oxoethyl]-
62128-82-9Benzoic acid, 3,4,5-trimethoxy-,3-[2,3,6,7-tetrahydro-8-[4-(2-hydroxyethyl)-1-piperazinyl]-3,7-dimethyl-2,6-dioxo-1H-purin-1-yl]propyl ester, monohydrochloride