3-bromo-4-hydroxy-3,4-dimethylpentan-2-one

4-methoxy-3,4-dimethylpentan-2-one

2-(3-methylbut-2-en-2-yl)-4,5,6,7-tetrahydro-1-benzofuran

2,3-dimethylbut-2-enoic acid

1,1,2,3-tetramethylindene