3-(2-((2-tert-Butylphenylaminooxalyl)amino)propionylamino)-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentanoic acid 624747-15-5 Pentanoic acid, 3-(2-((2-tert-butylphenylaminooxalyl)amino)propionylamino)-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)-