Difenzoquat methylsulfate Back Catalog number: 70649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70235 trans-Nonachlor Price on request 66110 2,3,3',4',6-Pentachlorobiphenyl (110) Price on request 96633 “Over the Counter” Cold and Sinus Price on request