Synonyms: 11H-Benzofuro[2,3-b][1]benzopyran-11-one,5a,10b-dihydro-1,3,8-trihydroxy-10b-methoxy-2,7-bis(3-methyl-2-butenyl)-,(5aR,10bR)-rel- (9CI); 11H-Benzofuro[2,3-b][1]benzopyran-11-one,5a,10b-dihydro-1,3,8-trihydroxy-10b-methoxy-2,7-bis(3-methyl-2-butenyl)-, cis-;Lupinol B