2-methylbut-3-yn-2-yloxybenzene

2-ethynyl-4-methylpyridine

4-[4-(3-hydroxy-3-methylbut-1-ynyl)phenyl]-2-methylbut-3-yn-2-ol

3,3-dimethoxy-2-methylbutan-2-ol

3-羟基-3-甲基-2-丁酮