IUPAC Nomenclature Aldehydes H octanal (E)3-isopropyl-3-hexenal H Br人 CH 0 cis 4-bromocyclohe xane-1-carbalde hyde 5-oxohexanal IUPAC Nomenclature Aldehydes O H octanal H O (E) 3-isopropyl-3-hexenal CH O Br cis 4-bromocyclohexane-1-carbaldehyde O H O 5-oxohexanal