Nomenclature butyl ethyl ether(common) or 1-ethoxybutane (IUPAC) trans 1-bromo-2-methoxycyclopentane CH3CH2O OH ethyl(Z)1-propenyl ether(common) CH:CH2O or (Z)1-ethoxy-1-propene (IUPAC) 4,4-diethoxy-2-cyclohexenolNomenclature O butyl ethyl ether (common) 1-ethoxybutane (IUPAC) or OCH3 Br trans 1-bromo-2-methoxycyclopentane ethyl (Z) 1-propenyl ether (common) (Z) 1-ethoxy-1-propene (IUPAC) or OH CH3 CH2 O CH3 CH2 O 4,4-diethoxy-2-cyclohexenol O