34419-05-1 5,6-Dihydro-N-methyl-p-dithiin-2,3-dicarboximide 5H-1,4-Dithiino(2,3-c)pyrrole-5,7(6H)-dione, 2,3-dihydro-6-methyl- 6-Methyl-2,3,5,7-tetrahydro-6H-p-dithiino(2,3-c)pyrrole-5,7-dione 6H-p-DITHIINO(2,3-c)PYRROLE-5,7-DIONE, 2,3,5,7-TETRAHYDRO-6-METHYL- BRN