2,3-Dihydro-2-(3,4-dimethoxyphenyl)-4H-1,3-benzoxacin-4-one 2-(3,4-Dimethoxyphenyl)-4-oxo-1,3-benzoxazine 4H-1,3-Benzoxacin-4-one, 2,3-dihydro-2-(3,4-dimethoxyphenyl)- 52942-50-4 BRN 1010338