Tetrabutylphosphonium bromide3115-68-233 % similar Dibutyltin maleate78-04-632 % similar Dioctyltin dichloride3542-36-732 % similar Tetraoctylammonium bromide14866-33-231 % similar Tetradecylammonium bromide14937-42-931 % similar Tetraoctylphosphonium bromide23906-97-031 % similar Tributylmethylammonium bromide37026-88-331 % similar Tetrahexylammonium bromide4328-13-631 % similar Tetraheptylammonium bromide4368-51-831 % similar