2H-1,3-Oxazine-2-thione, 3,4,5,6-tetrahydro-6-(m-tolyloxymethyl)- 3,4,5,6-Tetrahydro-6-(m-tolyloxymethyl)-2H-1,3-oxazine-2-thione 57841-32-4 BRN 0525920