7YLA|1|6|GNP|501 GNP 7YLA|1|K|MG|301 MG ion 7YLA|1|L|MG|301 MG ion 7YLA|1|6|MG|502 MG ion 7YLA|1|K|NA|302 NA ion 7YLA|1|m|ZN|101 ZN ion