label: 1,4,7,10-tetrakis(2,2'-bipyridyl-5-ylmethyl-bis(2,2'-bipyridine)ruthenium(II))-1,4,7,10-tetraazacyclododecane
label_lc: 1,4,7,10-tetrakis(2,2'-bipyridyl-5-ylmethyl-bis(2,2'-bipyridine)ruthenium(ii))-1,4,7,10-tetraazacyclododecane