(S)-2-amino-4-(2-aminophenyl)-4-oxobutanoicacid-13C415N; (?S)-?,2-Diamino-?-oxo-benzenebutanoic Acid-13C4-15N; L-3-Anthraniloyl-alanine-13C4-15N; (S)-?,2-Diamino-?-oxo-benzenebutanoic Acid-13C4-15N; 3-Anthraniloylalanine-13C4-15N; Kynurenin-13C4-15N; Kynurenine-13C4-15N; L-3-(o-Aminobenzoyl)alanine
