5H,10bH-Thiazolo(3,2-c)(1,3)benzoxazine-3-carboxylic acid, 2,3-dihydro-5-thioxo-, sodium salt 78760-55-1 Carboxy-3 thioxo-5 tetrahydro-2,3,5,10b thiazolo(3,2-c) benzoxazine-1,3 sodium salt [French] Sodium 2,3-dihydro-5-thioxo-5H,10bH-thiazolo(3,2-c)(1,3)benzoxazine-3-carboxylate