4-(2-diethylaminoacetyl)-2,5,7,8-tetramethyl-3,4-dihydro-2H-benzo(1,4)oxazine-2-carboxylic acid ethyl ester
4-(2-diethylaminoacetyl)-2,5,7,8-tetramethyl-3,4-dihydro-2h-benzo(1,4)oxazine-2-carboxylic acid ethyl ester