2H-1,4-benzoxazin-2-ol, 3-methyl-2-phenyl- 3-methyl-2-phenyl-2H-1,4-benzoxazin-2-ol InChI=1/C15H13NO2/c1-11-15(17,12-7-3-2-4-8-12)18-14-10-6-5-9-13(14)16-11/h2-10,17H,1H