4-phenyl-1 2 4-triazole-3 5-dione (ptsd) July 8, 2019 16 32 64 128 2 4 5-triphenyl-1h-imidazole 2-(4-biphenylyl)-5-phenyl-1 3 4-oxadiazole 4 5-dihydro-2-phenyl-1h-imidazole 1 3 5-triphenyl-4 5-dihydro-1h-pyrazole