piperazin,ylphthalazine,1-piperazin,phthalazine,piperazin-1-yl
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
76280-97-2Benzamide,2-hydroxy-5-[1-hydroxy-2-[4-(2-methylphenyl)-1-piperazinyl]ethyl]-,hydrochloride (1:2)