4-methyl-3-(2,2,2-trifluoroethoxy)-5H-pyrido(1',2'-4,5)(1,2,,4)thiadiazino-(2,3-a)benzimidazol-13-ium
4-methyl-3-(2,2,2-trifluoroethoxy)-5h-pyrido(1',2'-4,5)(1,2,,4)thiadiazino-(2,3-a)benzimidazol-13-ium