2 4 5-tribromoimidazole July 8, 2019 16 32 64 128 2 4 5 tribromoimidazole 2 4 5-trinitroimidazole 2 4 5-triphenyl-1h-imidazole 2 4 5-trimethylthiazole 2-bromo-1 3 4-thiadiazole