methyl 3-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoylsulfamoyl]th iophene-2-carboxylate, methyl 2-[[(4-methoxy-6-methyl-1,3,5-triazin-2- yl)-methyl-carbamoyl]sulfamoyl]benzoate