2-[2-(2-{2-[2-nicotinoyloxyethoxy]ethoxy}ethoxy)ethyl]-7-[2-(2-{2-[2-tosylethoxy]ethoxy}ethoxy)ethyl]-1,4,5,8-naphthalenedicarboxiimide
2,7-bis(2-(2-(2-(2-(4-formylphenylcarboxy)ethoxy)ethoxy)ethoxy)ethyl)benzo[lmn]-(3,8)phenanthroline-1,3,6,8-tetraone
2,7-bis(2-(2-(2-(2-(4-toluenesulfonyloxy)ethoxy)ethoxy)ethoxy)ethyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone