penta-1,4-dien-3-one

丁烯酮

(2,2-二甲基-1,3-二氧戊环-4-基)甲基棕榈酸酯

2-chloro-3,3,5-trimethyl-1,2λ⁵-oxaphosphole 2-oxide

5,5-dimethyl-4H-1,3-oxazole