(4'-(3-methylamino-4-aminophenoxy)-2,2':6',2''-terpyridine-6,6''-diyl) bis(methylenenitrilo) tetrakis(acetate)-Eu(III)
(4'-(3-methylamino-4-aminophenoxy)-2,2':6',2''-terpyridine-6,6''-diyl) bis(methylenenitrilo) tetrakis(acetate)-eu(iii)