(2-methyl-1-((1R,2S)-2-methyl-2-vinylcyclopropyl)prop-1-en-1-yl)(phenyl)sulfane

3-bromo-1-iodo-3-methylbutan-2-one

5-(1'-bromo-1'-methyl) ethyl-2-methyl-2-vinyltetrahydrofurane

5-ethenyl-5-methyl-2-[1-methyl-1-(phenylseleno)ethyl]tetrahydrofuran