1 UGJ 3,6-diamino-4-(2-chlorophenyl)thieno[2,3-B]pyridine-2,5-dicarbonitrile 1.000 2 ZZ5 3,6-diamino-5-cyano-4-(4-ethoxyphenyl)thieno[2,3-B]pyridine-2-carboxamide 0.808