SODIUM CHITOSAN METHYLENE PHOSPHONATE
                    SODIUM CHITOSAN METHYLENE PHOSPHONATE
                    脱乙酰壳多糖亚甲基膦酸钠
                    
                    Cas No:181314-61-4
                                                    Safety
                                    
                           
                            脱乙酰壳多糖亚甲基膦酸钠为螯合剂
                