1-phenyl-N3',N4'-dibenzoyl-1H-pyrazole-3,4-dicarbohydrazide

3-(2-ethynylphenyl)sydnone

3-(2-(trimethylsilylethynyl)phenyl)sydnone

3-(2-(4-(trimethylsilylethynyl)phenylethynyl)phenyl)sydnone

3-(4-methoxybenzoyl)-4-(4-methylphenyl)-1-phenylpyrazole