1 3 5-triphenyl-1 3 5-triazine July 8, 2019 16 32 64 128 1 3 5 triphenyl 1 3 5 triazine 1 3 5-triazine 1 3 5-triphenyl-2-pyrazoline 1 3 5-trinitroperhydro-1 3 5-triazine 1 3 5-triphenylbenzene