24011-68-5 2H-1,4-Benzoxazine-2-carboxy-p-phenetidide, 3,4-dihydro-3-oxo- 3,4-Dihydro-3-oxo-2H-1,4-benzoxazine-2-carboxy-p-phenetidide N-p-Ethoxyphenylcarbamido-2 oxo-3 dihydro-2,3 benzoxazine-1,4 [French]