5,6,6',7,12-Pentamethoxy-2,2'-dimethyl-9',10',11',12',13',14'-hexadehydro-9',10',11',12',13',14'-hexahydroberbaman-14-ol AIDS-132520 AIDS132520 Berbaman-14-ol, 5,6,6',7,12-pentamethoxy-2, 2'-dimethyl-, (1.beta.)- NSC626647 Thalibrunine