pterocarpans 0 211.98983 212.159 Members of the class of benzofurochromene with a 6a,11a-dihydro-6<em>H</em>-[1]benzofuro[3,2-<em>c</em>]chromene skeleton and its substituted derivatives. They generally bear structural resemblance to isoflavanoids that possess antibiotic activity and are produced by plant tissues in response to infection. They are the 3,4-dihydroderivatives of coumestans. metacyc.compound:PTEROCARPANS CHEBI:60953 wikipedia.en:Pterocarpan C15O2R12 chebi_ontology isoflavonoid phytoalexins isoflavonoid phytoalexin CHEBI:26377 *c1c(*)c(*)c2c(c1*)OC(*)(*)C1(*)c3c(*)c(*)c(*)c(*)c3OC21* isoflavonoid