2-PYRAZINECARBOXAMIDE, N-((1S)-2-((3-HYDROXY-3-METHYL-1-OXOBUTYL)AMINO)-2-OXO-1-(PHENYLMETHYL)ETHYL)-
2-pyrazinecarboxamide, n-((1s)-2-((3-hydroxy-3-methyl-1-oxobutyl)amino)-2-oxo-1-(phenylmethyl)ethyl)-