2-methylpenta-3,4-dien-2-ol

1-iodo-3-methylbuta-1,2-diene

3,3-dimethylpent-4-ynal

1-{4-[(2-Methyl-3-butyn-2-yl)oxy]phenyl}ethanone

methyl 3-(3-hydroxy-3-methylbut-1-ynyl)benzoate