Trioctylphosphine oxide78-50-2100 % similar Tributylphosphine oxide814-29-979 % similar Tetradecylphosphonic acid4671-75-456 % similar Octadecylphosphonic acid4724-47-456 % similar Octylphosphonic acid4724-48-556 % similar Icosane112-95-850 % similar Decane124-18-550 % similar Tetratriacontane14167-59-050 % similar Heptane142-82-550 % similar Tetracontane4181-95-750 % similar Dotriacontane544-85-450 % similar Octadecane593-45-350 % similar Heptacosane593-49-750 % similar Tridecane629-50-550 % similar Tetradecane629-59-450 % similar Pentadecane629-62-950 % similar Heptadecane629-78-750 % similar Nonadecane629-92-550 % similar Heneicosane629-94-750 % similar Docosane629-97-050 % similar