2H-1,4-BENZOXAZINE-6-ACETIC ACID, alpha-METHYL-3-(4-METHYLPHENYL)-2-OXO-, METHYL 2H-1,4-Benzoxazine-6-acetic acid, alpha-methyl-3-(4-methylphenyl)-2-oxo-, methyl ester 78587-70-9 BRN 4538686 alpha-Methyl-3-(4-methylphenyl)-2-oxo-2H-1,4-benzoxazine-6-acetic acid methyl ester