3-Pyridinecarboxamide, 2-chloro-N-(4-chloro-2-benzothiazolyl)- (en)

3-Pyridinecarboxamide, 2-chloro-N-2-thiazolyl- (en)

5-Oxo-5H-(1,3)thiazolo(3,2-a)pyrido(3,2-e)pyrimidine

2-chloro-N-(4-methyl-1,3-thiazol-2-yl)pyridine-3-carboxamide

6-hydroxy-3,3-dimethyl-3H-pyrano<2',3':7,8>chromeno<2,3-b>pyridin-7-one