2-丙酮(1-甲基乙基)腙

5,5,5',5'-tetramethyl-5H,5'H-3,3'-bipyrazole

5-ethynyl-3,3-dimethylpyrazole

5-(difluoromethylidene)-3,3-dimethyl-4H-pyrazole

4-(difluoromethylidene)-5,5-dimethyl-3H-pyrazole