(R)-(-)-ALPHA-[[(4-ETHYL-2,3-DIOXO-1-PIPERAZINYL)CARBONYL]AMINO]-4-HYDROXYBENZENEACETIC ACID (R)-(-)-[[(4-ETHYL-2,3-DIOXO-1-PIPERAZINYL)CARBONYL]AMINO]-4-HYDROXYBENZENEACETIC ACID D-(-)-A-(4-ETHYL-2,3-DIOXO PIPERZINYL) CARBOCAMIDE-4-HYDROXYPHENYL-ACETIC ACID D-(-)-2-(2,3-DIOXO-4-ETHYL-1-PIPERAZIN-CARBOXAMIDE)-ALPHA-4-HYDROXY PHENYL ACETIC ACID D-(-)-2-[(4-ETHYL-2,3-DIOXO-1-PIPERAZINEYL)-CARBONYLAMINO]-2-(4-HYDROXYPHENYL) ACETIC ACID 2R-2-((4-ETHYL-2,3-DIOXYPIPERAZYL)FORMAMIDE)-P-HYDROXY PHENYLACETIC ACID (2R)-2-[(4-ETHYL-2,3-DIOXOPIPERAZINYL)CARBONYLAMINO]-2-(4-HYDROXYPHENYL)ACETIC ACID N-((4-ETHYL-2,3-DIOXO-1-PIPERAZINYL)CARBONYL)-A-AMINO-P- HYDROXYPHENYLACETIC ACID 2R-2-((4-ethyl-2,3-dioxypipera D(-)-2-[[(4-ETHYL-2,3-DIOXOPIPERAZINYL)CARBONYL]AMINO]-2-(4-HYDROXYPHENYL)ACETIC ACID HO-EPCP D-(-)-A-[[(4-ETHYL-2,3-DIOXO-1-PIPERAZINYL)CARBONYL]AMINO]-4-HYDROXYBENZENEACET 2R-2-((4-ETHYL-2,3-DIOXYPIPERAZYL)FORMAMIDE)-4-HYDROXYPHENYLACETICACID ( R ) -2-[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonylamino]-2-(4-hydroxyphenyl)acetic acid N-(((4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl)amino)-4-hydroxybenzeneacetic acid N-((4-Ethyl-2,3-dioxo-1-piperazinyl)car-bonyl)-amino-p-hydroxyphenylacetic acid {[(2,3-Dioxo-4-ethyl-1-piperazinyl)-carbonyl]-amino}-(4-hydroxyphenyl)-acet BENZENEACETICACID,A-[[(4-ETHYL-2,3-DIOXO-1-PIPERAZINYL)CARBONYL]AMINO]-4-HYDROXY-(9CI) [[(4-ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino](4-hydroxyphenyl)acetic acid (R)-(-)-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenz D(-)-2[(4-ehtyl-2,3-dioxo-1-piperazineyl)-carbonylamino]-2-(4-hydroxyphenyl)acetic acid (R)-(-)-A-(((4-ETHYL-2,3-DIOXO-1-PIPERAZ IN -YL)CARBONYL)AMINO)-4-OH-BENZENEACETI HO-EPCP:D-(-)-2-[(4-ETHYL-2,3-DIOXO-1-PIPERAZINEYL)-CARBONYLAMINO] -2-(4-HYDROXYPHENYL) ACETIC ACID D(-)-a-[[(4-Ethyl-2,3-Dioxo-1-Piperazinyl)Carbonyl]Amino]-2-(4-Hydroxyphenyl)AceticAcid (R)-(-)-a-(((4-Ethyl-2,3-dioxo-1-piperazin-yl)carbonyl)nh)-4-oh-benzeneaceticacid Benzeneacetic acid, a-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]aMino]-4-hydroxy-,(aR)- (R)-(-)-alpha-(((4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl)nh)-4-OH-benzene acetic acid (R)-(-)-alpha-(((4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl)nh)-4-OH-ben 2-(4 hydroxyphenyl)acetic acid HO-EPCP (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid,97% (R)-(-)-[[(4-Ethyl-2,3-dioxo-1-piperzinyl)carbonyl]amino]-4-hydroxybenzenacetic Acid (R)-(-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneacetic acid 97% (R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetic acid (R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneacetic acid (αR)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-benzeneacetic Acid (iRi)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneaceticAci (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid ISO 9001：2015 REACH D(-)-α-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl) acetic acid 2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetic acid compound with acetic acid (1:1) (2R)-2-[[(4-ethyl-2,3-dioxo-1-piperazinyl)-oxomethyl]amino]-2-(4-hydroxyphenyl)acetate (R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneacetic Acid Cefoperazone Impurity 2 (D-)-Alpha-[[(4-Ethyl-2,3-Dioxo-1-Piperazinyl) Carbonyl]Amino]-2-(4-Hydroxyphenyl) Acetic Acid (R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneaceticAcid> Benzeneacetic acid, α-[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxy-, (αR)- Oxygen piperazine acid OH-EPCP HO-EPCP Dioxypiperazine acid (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid (OH-EPCP) 62893-24-7 C15H17N3O6 C15H16N3O6 Asymmetric Synthesis Chiral Building Blocks Heterocyclic Building Blocks Piperazines Chiral Building Blocks Heterocyclic Building Blocks