Prothionamide is an analogue of ethionamide, and is better tolerated and less toxic than ethionamide. It contains a propyl group instead of an ethyl group at the a position. Synonyms: Prothionamide; 2-propyl-4-pyridinecarbothioamide; 2-propylisonicotinylthioamide; 2-propylthioisonicotinamide;…