5-methylhexa-1,3,4-trien-2-ylbenzene

methyl 4-(2-methylbut-3-yn-2-yloxy)benzoate

2,2-dimethylpyrano[2,3-c]pyridine

3,3-dimethylbenzo[f]chromene

1,1-dimethyl-2-methylene-1,2-dihydronaphtho[2,1-b]furan