metal complex
http://purl.jp/bio/4/id/200906056498619772
http://purl.jp/bio/4/id/200906031049122283
http://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=200906056498619772
http://purl.jp/bio/4/subject/CA05
http://purl.jp/bio/4/subject/LS_ur_c/OWLClass_00000000000000000689