2-(2,3-dimethylbut-2-en-1-yl)-2-hydroxy-3,3,6,6-tetramethylcyclohexan-1-one

2,2,3,3,5,5,7,7-octamethyl-2,3,6,7-tetrahydro-5H-cyclopenta[b][1,4]dioxine

2-(2,3-dimethylbut-2-en-1-yl)-2-hydroxy-3,3,5,5-tetramethylcyclopentan-1-one

2,2,3,3,5,5,7,7-octamethyl-1-oxaspiro[3.4]octan-8-one

2-bromo-3-(2-bromoethoxy)-2,3-dimethylbutane