in vitro antimycobacterial activity results were further supported by in silico studies with good binding affinities ranging from −9.8 to −11.6 kcal/mol for 4k, 4l, and 7d with the target oxidoreductase DprE1 enzyme. These results demonstrate that pyridinium salts derivedfrom isoniazid can be a potentially promising pharmacophore for the development of novel antitubercular candidates.