3,6-二苯基-1,2,4-噻嗪-5-醇

4-nitroso-3,5-diphenyl-1H-pyrazole

5-amino-3,6-diphenyl-1,2,4-triazine

N'-(cyano-phenyl-methylene)-benzamidrazone

N'-(cyano-phenyl-methylene)-benzohydrazonoyl chloride