10-Methoxy-7H-benzimidazo(2,1-a)benz(de)isoquinolin-7-one 15220-29-8 4-25-00-00226 (Beilstein Handbook Reference) 5-Methoxynaftoylbenzimidazol [Czech] 7H-Benzimidazo(2,1-a)benz(de)isoquinolin-7-one, 10-methoxy- BRN 0286887