Deferasirox Benzoxazin Impurity

'-(o-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one|2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one ;|2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one;|2-(2-hydroxyphenyl)-4H-benzo[e][1,3]oxazin-4-one|2-(2-hydroxyphenyl)-4H-benzo[e][1,3]oxazin-4-one;|Deferasirox Benzoxazin Impurity ;|Deferasirox Benzoxazin Impurity ; 2-(2-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one|Deferasirox Impurity B;