2,2,6,6-tetramethylhept-4-yn-3-yl 2,2,2-trichloroacetimidate

5-hydroxy-2,2,6,6-tetramethyl-3-heptanone

3,3-dimethylbut-1-en-2-yl acetate

cis-2,2,6,6-Tetramethyl-4-hepten-3-one

三甲基乙酰氯