4-chloro-3,5,5-trimethyl-3-cyclopentene-1,2-dione

2,2-二氯-3,5,5-三甲基环戊酮

2,5,5-trimethyl-4,4,6,6-tetrachloro-1,3-cyclohexanedione

2-methyldimedone

2-hydroxy-3,5,5-trimethylcyclopent-2-enone