benzoxazole,dimethyl,piperazinyl,1-piperazin,1-piperazinyl,benzoxazol,oxazole,oxazole,
Piperazinyl
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
179873-92-8Carbamic acid,[2-(4-methyl-1-piperazinyl)-2-oxo-1-(phenylmethyl)ethyl]-,1,1-dimethylethyl ester, (S)-