Synonyms: 1,4-Oxathiin-3-carboxanilide,5,6-dihydro-2-methyl-, 4-oxide (8CI); 5,6-Dihydro-2-methyl-1,4-oxathiin-3-carboxanilide-4-oxide;5,6-Dihydro-3-carboxanilide-2-methyl-1,4-oxathiin-4-oxide; Carboxin 4-oxide;Carboxin sulfoxide; F 831; Vitavax sulfoxide