benzonitrile,methyl,piperazinyl,phenyl,imino,1-piperazin,1-piperazinyl
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
548770-36-1Carbamic acid, methylphenyl-,4-[2-[[[4-(4-methyl-1-piperazinyl)phenyl]sulfonyl]amino]ethyl]phenyl ester