Chemical Name [IUPAC Name]: 2-(2-Hydroxyphenyl)benz[e][1,3]oxazin-4-one 2-(2'-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one 2-(o-Hydroxyphenyl)-4H-1,3-benzoxazin-4-one Deferasirox EP Impurity B
APIIntermediates