3,9-Dimethoxypterocarpan

(6aR)-6a,11aα-Dihydro-3,9-dimethoxy-6H-benzofuro[3,2-c][1]benzopyran

(6aR)-6aα,11aα-Dihydro-3,9-dimethoxy-6H-benzofuro[3,2-c][1]benzopyran