1-methyl-4-[4-(4-methylphenyl)buta-1,3-diynyl]benzene

tert-butyl 3-[4-(trifluoromethyl)phenyl]prop-2-enoate

tert-butyl 2-cyclohexylideneacetate

tert-butyl 3-nitroprop-2-enoate

tert-butyl 2-(bromomethyl)prop-2-enoate