methyl6,8-difluoro-4-hydroxyquinoline-2-carboxylate 887589-28-8, Information for methyl6,8-difluoro-4-hydroxyquinoline-2-carboxylate 887589-28-8, Suppliers of methyl6,8-difluoro-4-hydroxyquinoline-2-carboxylate 887589-28-8