1,1-difluoro-2,2-dimethylcyclopropane

1,1-difluoro-2,2,3,3-tetramethylcyclopropane

6-溴-2,2-二甲基-2H-苯并吡喃

1,1-dimethyl-indan-5-ol

3,3-dimethyl-2,3-dihydro-1H-inden-4-ol