(9E)-Octadecenoic acid (E)-Oleic acid 112-79-8 9-Octadecenoic acid, (E)- 9-trans-Octadecenoic acid Acide elaidique C01712 D9-trans-Octadecenoic acid Elaidic acid Elaidinsaure trans-9-Octadecenoic acid trans-D9-Octadecenoic acid trans-Elaidic acid trans-Oleic acid