naphthalenone,dihydro,piperazinylmethyl,1-piperazin,1-piperazinyl,piperazinyl
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
169340-04-91,2-Propanedione,1-[4-[4-[(4-chlorophenyl)amino]-6,7-dihydro-6-(1-methylethyl)-7-oxo-5H-pyrrolo[3,4-d]pyrimidin-2-yl]-1-piperazinyl]-,2-oxime
86758-89-61-Piperazinamine, 4-(2-chloro-10,11-dihydrodibenzo(b,f)thiepin-10-yl)- N-(phenylmethylene)-