omega-3 fatty acid icosapentaenoic acid 0 302.22458 302.452 eicosapentaenoic acids CHEBI:36006 eicosapentaenoic acid Any straight-chain, C<small>₂₀</small> polyunsaturated fatty acid having five C=C double bonds. chebi_ontology icosapentaenoic acid icosapentaenoic acid icosapentaenoic acids 20:5 C20H30O2 C20:5