2,3-Dihydro-N-methyl-2-oxobenzoxazole-5-sulphonamide 5-(N-Methylsulphamoyl)-2-oxobenzoxazoline 5-Benzoxazolesulfonamide, 2,3-dihydro-N-methyl-2-oxo- 68214-73-3 EINECS 269-312-4