piperazinyl,nitro,1-piperazin,1-piperazinyl
1-Piperazin
61908-40-51-Piperazineethanol,4-(2-chlorophenyl)-a-(2,3-dihydro-2-methyl-5-benzofuranyl)-,monohydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid