has primary input olefinic compound catabolic process olefinic compound metabolic process olefinic compound catabolic process https://github.com/geneontology/go-ontology/issues/19936 The chemical reactions and pathways resulting in the breakdown of an olefinic compound, any compound which contains a carbon-carbon double bond (aka C=C). alkene substituted compound catabolic process alkene substituted compound degradation alkene substituted compound breakdown alkene substituted compound catabolism 2020-09-02T23:30:41Z GO:0120256 krc