methanone,ethyl,piperidinyl,piperazinyl,1-piperazin,1-piperazinyl
1-Piperazin
570408-10-51-Piperazinecarboxylic acid, 4-[2-fluoro-4-(methoxycarbonyl)phenyl]-,1,1-dimethylethyl ester
84707-82-4Acetamide,N-1,3-benzodioxol-5-yl-N-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-,dihydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid