2-(1-hydroxybut-3-en-1-yl)-4-methylphenol

1-(2-hydroxy-5-methylphenyl)but-2-en-1-one

1-((4-chlorobut-3-yn-2-yl)oxy)-4-methylbenzene

4-chloro-2,6-dimethylchromene

1-((4-bromobut-3-yn-2-yl)oxy)-4-methylbenzene