Synonyms: (6aR)-6aα,11aα-Dihydro-6H-benzofuro[3,2-c][1]benzopyran;6aα,11aα-Dihydro-6H-benzofuro[3,2-c][1]benzopyran;cis-Pterocarpan;Pterocarpan;(+)-(S,S)-cis-Pterocarpan;(3S)-3α,4α-(1,2-Phenyleneoxy)-3,4-dihydro-2H-1-benzopyran;(6aS,11aS)-6aβ,11aβ-Dihydro-6H-benzofuro[3,2-c][1]benzopyran;(±)-6a,11a-cis-Pterocarpan