for the following products
Methyl 5-chloro-N-(methoxycarbony lmethyl)-3-sulfamoylthiophene-2-carboxylate | Methyl 5-chloro-N-(methoxycarbonylmethyl)-3-sulfamoylthiophene-2-carboxylate and Methyl 5-Chloro-N-(Methoxycarbonylmethyl)-3-Sulfamoyl-Thiophene-2-Carboxylate
