Supplier: Tributyl tetradecyl phosphonium chloride, bis (2, 4, 4-trimethyl pentyl) bis(2, 4, 4-trimethylpentyl) monothiophosphinic acid, bis(2, 4, 4-trimethylpentyl) monothiophosphinic acid, tetrabuty phosphonium chloride, allyl tributyl phosphonium chloride