for the following products
2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium | WST-1 | Wst-1 [15-(2,4-disulfophenyl)-2-(4-iodophenyl)-3-(nitrophenyl)-2H-tetrazolium] and 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium sodium salt
