benzaldehyde,methyl,piperazinyl,nitro,1-piperazin,1-piperazinyl
1-Piperazin
179875-18-4L-Phenylalaninamide,4-(4-methyl-1-piperazinyl)-4-oxo-D-2-aminobutanoyl-N-methyl-N-(phenylmethyl)-
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
81996-69-21H-Purine-2,6-dione,7-[4-[4-(diphenylmethyl)-1-piperazinyl]butyl]-3,7-dihydro-1,3-dimethyl-,dihydrochloride
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid