ethyl 2-(benzothiazol-2-yl)-4-methyloxazole-5-carboxylate

2-(benzothiazol-2-yl)-1-methyl-1H-benzoimidazole

1-methyl-2-(1-methylbenzimidazol-2-yl)benzimidazole

2-(1-methyl-1H-1,2,4-triazol-5-yl)benzo[d]thiazole