quinoxalinecarboxamide,methyl,piperazinyl,carbonyl,amino,phenyl,1-piperazin,1-piperazinyl
1-Piperazin
140165-25-9Dodecanoic acid,1-(2,5-dihydro-2-hydroxy-5-oxo-3-furanyl)-2-[(4-methyl-1-piperazinyl)sulfonyl]ethyl ester
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid