(R)-(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-4-hydroxybenzeneacetic Acid >97% 62893-24-7 C₁₅H₁₇N₃O₆ 335.32 g./mol ฿750.00 View
(R)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]benzeneacetic Acid 97 % 63422-71-9 C₁₅H₁₇N₃O₅ 319.31 g./mol ฿360.00 View