1 2 4-triazine-3 5(2h 4h)-dione July 8, 2019 16 32 64 128 1 2 4 triazine 3 5 2h 4h )- dione 1 2 4-triazine 1 2 3-triazine 1 3 5-triazine-2 4 6(1h 3h 5h)-trione 1 3 5 triazinane
