Tetrabutylphosphonium hydroxide14518-69-5100 % similar Tetrabutylphosphonium chloride2304-30-568 % similar Tetrabutylphosphonium iodide3115-66-068 % similar Tetrabutylphosphonium bromide3115-68-268 % similar Hexadecyltributylphosphonium bromide14937-45-259 % similar Tributyltetradecylphosphonium chloride81741-28-859 % similar Tetraoctylphosphonium bromide23906-97-055 % similar Tetrabutylammonium hydroxide2052-49-545 % similar Tributylmethylphosphonium iodide1702-42-742 % similar Pentane109-66-041 % similar Tetratriacontane14167-59-039 % similar Heptane142-82-539 % similar Tetracontane4181-95-739 % similar Dotriacontane544-85-439 % similar Octadecane593-45-339 % similar Heptacosane593-49-739 % similar Tridecane629-50-539 % similar Tetradecane629-59-439 % similar Pentadecane629-62-939 % similar Heptadecane629-78-739 % similar