Cis 9 - Octadecenoic Acid (oleic) Trans 9 - Octadecenoic Acid (elaidic acid) O CH3 (CH2 ) 7 C C (CH2 ) 7 C OH H H 10 9 O CH3 (CH2 ) 7 C C (CH2 ) 7 C OH H H Cis And Trans Fatty AcidsCis 9 - Octadecenoic Acid (oleic) Trans 9 - Octadecenoic Acid (elaidic acid) O CH3 (CH2 ) 7 C C (CH2 ) 7 C OH H H 10 9 O CH3 (CH2 ) 7 C C (CH2 ) 7 C OH H H Cis And Trans Fatty Acids