4-methyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

3,4-Dihydro-4-methyl-2H-1,4-benzoxazine-2-carboxylic acid 97%

2-Carboxy-3,4-dihydro-4-methyl-2H-1,4-benzoxazine, 2-Carboxy-3,4-dihydro-4-methyl-2H-benzo[b][1,4]oxazine