1 P6M (4s,6r)-4-[2,4-difluoro-5-({[1-(trifluoromethyl)cyclopropyl]amino}methyl)phenyl]-4,6-dimethyl-5,6-dihydro-4h-1,3-thiazin-2-amine 1.000 2 P6U (4s)-4-[2,4-difluoro-5-({[1-(trifluoromethyl)cyclopropyl]amino}methyl)phenyl]-4-methyl-5,6-dihydro-4h-1,3-thiazin-2-amine 0.962