1-(2,2-dibromo-3,3-dimethylcyclopropane)ethanol

3,5-dimethyl-2-[(dimethylthiocarbamoyl)oxy]-2-cyclopenten-1-one

3-甲基-2-环戊烯-1-酮

ethyl 2-acetyl-3-methyl-4-oxopentanoate

dichloro-1,1 dimethyl-2,2 (ethanol-1')-3 cyclopropane