2,2-dimethyl-3H-pyran-4-one

二甲基(乙烯基乙炔基)甲醇

4-[5-fluoro-3-(naphth-2-yloxy)phenyl]-4-hydroxy-2,2-dimethyltetrahydropyran

5-甲基-1,4-己二烯-3-酮

甲醛