4-((3-(diethylamino)propyl)amino)-6,6-dimethyl-5,6-dihydropyridine-2(1H)-thione

2,2-dimethyl-4-morpholin-4-yl-1,3-dihydropyridine-6-thione

2,2-dimethyl-6-sulfanyl-1,3-dihydropyridin-4-one