carbonic,methyl,piperazinyl,ethyl,ester,1-piperazin,1-piperazinyl
1-Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
68770-20-7Phenol, 2-[2-(4-cyclohexyl-1-piperazinyl)-2-phenylethyl]-, propanoate(ester), dihydrochloride