4,9-dimethyl-1,2,3,4-tetrahydropyrido<1,2-a>benzimidazole
4,9-Bis-phenylsulfanyl-1,2,3,4-tetrahydro-benzo[4,5]imidazo[1,2-a]pyridine
[4-(Hydroxy-phenyl-methyl)-1,2,3,4-tetrahydro-benzo[4,5]imidazo[1,2-a]pyridin-9-yl]-phenyl-methanol
1,2,3,4-tetrahydro-pyrido[1,2-a]benzimidazole