3,1-Benzoxathian-4-one, 2-methyl- 4H-3,1-Benzoxathiin-4-one, 2-methyl- 5651-50-3 Benzoic acid, 2-[(1-hydroxyethyl)thio]-, .delta.-lactone Benzoic acid, o-[(1-hydroxyethyl)thio]-, .delta.-lactone NSC58105