3-nitro-1 2 4-triazole July 8, 2019 16 32 64 128 3-nitro-1 2 4-triazole-5-one 3 nitro 1 2 4 triazole 3-nitro-1h 1 2 4 triazole 1-(2-mesitylenesulfonyl)-3-nitro-1h-1 2 4 triazole