. . . . . "Nooglutil" . . . . . . . . . . . "Nooglutyl" . "N-[(5-Hydroxy-3-pyridinyl)carbonyl]-(L)-glutamic acid" . "Nooglutyl" . . "(2S)-2-(5-Hydroxypyridine-3-carboxamido)pentanoic acid" . . . . . .