purine,methyl,piperazinyl,1-piperazin,1-piperazinyl
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
794519-37-2Benzoic acid,2-[[(2E)-3-(3,4-dimethoxyphenyl)-1-oxo-2-propenyl]amino]-,2-[2-[4-[2-methyl-2-(nitrosothio)propyl]-1-piperazinyl]ethoxy]-2-oxoethylester