Caswell No. 790A, 1-hydroxy-1H-pyridine-2-thione sodium salt, EINECS 240-062-8, Sodium 1-hydroxypyridine-2-thione, Omadine-sodium, 1-hydroxy-1,2-dihydropyridine-2-thione sodium salt, Sodium 2-pyridinethiol-1-oxide, 2-mercaptopyridine-1-oxide sodium salt, Omacide 24, PYRITHIONE SODIUM, Sodium pyrithione