1 717 Imidazo[2,1-B][1,3]thiazol-6-ylmethanol 1.000 2 4ZA 6h-thieno[2,3-B]pyrrole-5-carboxylic acid 0.750 3 2I3 6-chloranylimidazo[2,1-B][1,3]thiazole 0.727 4 MZ0 1h-imidazol-5-ylmethanol 0.700