Synonyms: Benzimidazo(2,1-b)benzo(lmn)(3,8)phenanthroline-1,3,6(2H)-trione, 2-(3-methoxypropyl)-9(or 10)-methyl-;2-(3-Methoxypropyl)-9(or 10)-methylbenzimidazo(2,1-b)benzo(lmn)(3,8)phenanthroline-1,3,6(2H)-trione;2-(3-methoxypropyl)-10-methylbenzimidazo[2,1-b]benzo[lmn][3,8]phenanthroline-1,3,6(2H)-trione