3(4)-((4-Chlorophenyl)thio)-11-methyl-7-oxo-7H-benzimidazo(2,1-a)benz(de)isoquinoline 3(Or 4)-((4-chlorophenyl)thio)-11-methyl-7H-benzimidazo(2,1-a)benz(de)isoquinolin-7-one 68092-70-6 7H-Benzimidazo(2,1-a)benz(de)isoquinolin-7-one, 3(or 4)-((4-chlorophenyl)thio)-11-methyl- EINECS 268-468-0