5-(4-nitrophenyl)-N-phenyl-1,3,4-thiadiazol-2-amine

5-(1H-indol-3-ylmethyl)-3-(4-nitrophenyl)-1,2,4-oxadiazole

3-(4-nitrophenyl)-5-(phenylselanylmethyl)-4,5-dihydro-1,2-oxazole

5-indol-3-ylidene-3-(4-nitrophenyl)-2H-1,2,4-oxadiazole

3,5-二苯基-1,2,4-恶二唑