SEARCH Articles Figures Tables 1.3- dimethyl-3,4,5,6-tetrahydro-2 3.5- Dimethyl-tetrahydro-1,3,5-thiadiazine-2-thione 4//-l,2,4-Thiadiazine L,3,5-Thiadiazine-2-thiones L- -thione Tetrahydro 2-thione Tetrahydro-3,5-dimethyl-2H-l,3,5-thiadiazine Thiadiazin