2H-1,3-Benzoxazine, 3,4-dihydro-3-((2-(3,4-dimethoxyphenyl)ethyl))-8-methoxy- 3,4-Dihydro-3-((2-(3,4-dimethoxyphenyl)ethyl))-8-methoxy-2H-1,3-benzoxazine DM3076400 FS-63