3OK7|1|A|PO4|118 PO4 3OK7|1|A|PO4|119 PO4 3OK7|1|C|MG|901 MG ion 3OK7|1|B|MG|902 MG ion 3OK7|1|B|MG|903 MG ion 3OK7|1|B|MG|904 MG ion