piperazineethanol,oxohexadecyl,1-piperazin,piperazine
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
142245-60-12,4,6-Cycloheptatrien-1-one,7-[[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl]methyl]-2-methoxy-4-phenyl-