R-(-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy benzeneacetic acid

2r-2-((4-ethyl-2,3-dioxypiperazyl)formamide)-4-hydroxyphenylaceticacid ; oh-epcp ; d-(-)-a-(4-ethyl-2,3-dioxo piperzinyl) carbocamide-4-hydroxyphenyl-acetic acid ; ho-epcp ; (r)-(-)-alpha-(((4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl)nh)-4-oh-ben ; {[(2,3-dioxo-4-ethyl-1-piperazinyl)-carbonyl]-amino}-(4-hydroxyphenyl)-acet ; 2-(4 hydroxyphenyl)acetic acid ho-epcp ; (r)-(-)-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenz ; 2r-2-((4-ethyl-2,3-dioxypiperazyl)formamide)-p-hydroxy phenylacetic acid ; 2r-2-((4-ethyl-2,3-dioxypipera