ghl.PD_Mitscher_leg0.654 (Cis 6a-11a)3-Methoxy-6a,12a-dihydro-6H-[1,3]-dioxolo[5,6]benzofuro[3,2-c][1]benzopyran AIDS-005307 AIDS005307 Pterocarpan 8,9dioxole analog 6H-[1,3]Dioxolo[5,6]benzofuro[3,2-c][1]benzopyran, 6a,12a-dihydro-3-methoxy-, (6aR-cis)- Pterocarpin