for the following products
2,5-Dihydro-6-hydroxy-2-methyl-3-mercapto-5-oxo-1,2,4-triazine | 2-Methyl-3-thioxo-1,2,4-triazinane-5,6-dione | 2-Methyl-3-thioxotetrahydro-1,2,4-triazine-5,6-dione | 3-Mercapto-2-Methyl-5-oxo-6-Hydroxy-1,2,4-triazine | Thiotriazinone and 2,5-Dihydro-6-hydroxy-2-methyl-3-mercapto-5-oxo-1,2,3-triazine
