1,6-二硫杂苯并(3,4)雌甾-3,5(10),8,14-四烯-17-酮

2-[2-(1,3-dioxolan-2-yl)ethyl]-2-methylcyclopentane-1,3-dione

2-methyl-2-(3,3,3-triethoxypropyl)cyclopentane-1,3-dione

2,2,2-trifluoro-N-[2-(1-methyl-2,5-dioxocyclopentyl)ethyl]acetamide

2,2,2-trifluoro-N-[3-(1-methyl-2,5-dioxocyclopentyl)propyl]acetamide