1,3-Benzoxathiol-2-one, 4-hydroxy- 4-Hydroxy-1,3-(2H)-benzoxathiol-2-one 4-Hydroxy-2-oxobenzoxathiol 95-18-1 Camyna Carbonic acid, thio-, cyclic 0(1),s(2)-3-hydroxy-0-phenylene ester Carbonic acid, thio-, cyclic 0,S-ester with 2-mercaptoresorcinol NSC71282 Resorcinol, 2-mercapto-, cyclic 0,S-carbonate Resorcinol, 2-mercapto-, cyclic thiocarbonate Stepin Thiolcarbonic acid 4-hydroxy-o-phenylene ester Thioxolone Tioxolone WLN: T56 BOVSJ FQ