21494-86-0 2H-1,3,5-Thiadiazine-2-thione, tetrahydro-3-(4-bromo-3-chlorophenyl)-5-(2-hydroxyethyl)- Tetrahydro-3-(4-bromo-3-chlorophenyl)-5-(2-hydroxyethyl)-2H-1,3,5-thiadiazine-2-thione