1,3-Oxazolidine-2-thione 2-Mercapto-2-oxazoline 2-Oxazolidinethione 2-Thiooxazolidone 5840-81-3 AIDS-128021 AIDS128021 Carbamothioic acid, (2-hydroxyethyl)-, .gamma.-lactone NSC209913 Oxazolidine-2-thione