4LX6|1|A|29H|601 29H 4LX6|1|A|MG|602 MG ion 4LX6|1|A|MG|603 MG ion 4LX6|1|A|MG|604 MG ion 4LX6|1|A|MG|605 MG ion 4LX6|1|A|MG|606 MG ion