3-tert-butyl-4,4-dimethylpenta-1,2-diene

3,7-ditert-butyl-2,2,8,8-tetramethylnona-3,4,5,6-tetraene

1-(2-(tert-butyl)-3,3-dimethylbut-1-en-1-ylidene)-2-(2,2,4,4-tetramethylpentan-3-ylidene)cyclopropane

2-(4-tert-Butyl-5,5-dimethyl-hexa-1,2,3-trienylidene)-1,1,3,3-tetramethyl-cyclopentane

2-((2,2,5,5-tetramethylcyclopentylidene)methylene)-3-(2,2,4,4-tetramethylpentan-3-ylidene)thiirane