1 KA7 N-{3-[(2-aminopyrimidin-5-yl)ethynyl]-2,4-difluorophenyl}-5-chloro-2-methoxypyridine-3-sulfonamide 1.000 2 KA4 N-{3-[(2-aminopyrimidin-5-yl)ethynyl]-2,4-difluorophenyl}-2,5-dichloro-3-(hydroxymethyl)benzene-1-sulfonamide 0.794