6-(2,4-diamino-6-ethylpyrimidin-5-yl)-2-(3,5-difluorophenyl)-4-(3-methoxypropyl)-2-methyl-1,4-benzoxazin-3-one
6-(2,4-diamino-6-ethyl-pyrimidin-5-yl)-2-(3,5-difluorophenyl)-4-(3-methoxypropyl)-2-methyl-1,4-benzoxazin-3-one
6-(2,4-diamino-6-ethyl-5-pyrimidinyl)-2-(3,5-difluorophenyl)-4-(3-methoxypropyl)-2-methyl-1,4-benzoxazin-3-one