(+/-)-hex-4-yn-2-ol

5-甲基-2(5H)-呋喃酮

5,6-dibromo-2-methyl-2,3-dihydroimidazo[2,1-b][1,3]oxazole

2-chloro-2-methyloxirane

(2R,3R)-2-chloro-3-methyloxirane