catabolic process pyridine-containing compound metabolic process pyridine-containing compound catabolic process pyridine-containing compound catabolism pyridine and derivative catabolic process pyridine-containing compound breakdown pyridine-containing compound degradation The chemical reactions and pathways resulting in the breakdown of a pyridine-containing compound, i.e. any compound that contains pyridine or a formal derivative thereof. GO:0072526 mah 2011-01-04T03:23:14Z biological_process