4-benzylidene-2,5-diphenylpyrazol-3-one

缩二脲

2,5,2',5'-tetraphenyl-1,2,2',4'-tetrahydro-4,4'-methanylylidene-bis-pyrazol-3-one

5-bromo-1,3-diphenylpyrazole

4,6,6-trimethyl-1,3-diphenylpyrano[2,3-c]pyrazole