piperazineaceticacid,carboxy,1-piperazin,1-piperazineacetic,piperazine,piperazineacetic
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
109376-99-0alpha-(1-Piperidinylmethyl)-4-(3,4,5-trimethoxybenzoyl)-1-piperazineet hanol dihydrochloride