1 04K 2-({4-[2-(diethylamino)ethoxy]phenyl}amino)-6-(4-fluorophenoxy)-8-methylpyrido[2,3-D]pyrimidin-7(8h)-one 1.000 2 3FN 6-(2,4-difluorophenoxy)-8-methyl-2-(tetrahydro-2h-pyran-4-ylamino)pyrido[2,3-D]pyrimidin-7(8h)-one 0.703