Colesevelam hydrochloride182815-44-7100 % similar Sevelamer hydrochloride152751-57-051 % similar Sevelamer carbonate845273-93-040 % similar Dodecyltrimethylammonium chloride112-00-536 % similar Cetrimonium chloride112-02-736 % similar Stearyltrimethylammonium chloride112-03-836 % similar Tetradecyltrimethylammonium chloride4574-04-336 % similar