140873-67-2 Isovaleryl-val-val-stof2NHCH3 Isovaleryl-valyl-valyl-4-amino-2,2-difluoro-N,6-dimethyl-3-oxoheptanamide Isovaleryl-valyl-valyl-difluorostatone methylamide Ivv-stof2-nhme L-Valinamide, N-(3-methyl-1-oxobutyl)-L-valyl-N-(3,3-difluoro-4-(methylamino)-1-(2-methylpropyl)-2,4-dioxobutyl)-, (S)-