(6S)-Mefox

NA

(4-((((S)-2-Amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methyl)amino)benzoyl)-L-glutamic Acid; (S)-2-(4-((((S)-2-amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methyl)amino)benzamido)pentanedioic Acid;