N cyclopropyl 1 3 5 triazine 2 4 6 triamine July 8, 2019 16 32 64 128 1 3 5-triazine-2 4 6(1h 3h 5h)-trione 1 3 5-tri-2-propenyl- 2 4 6-tricyano-1 3 5-triazine