Synonyms: 8bH-Labd-14-en-19-oic acid,8,20:9,13:15,16-triepoxy-6b,17-dihydroxy-, d-lactone, acetate (8CI);Trispiro[furan-3(2H),2'(5'H)-furan-5',8''-[8H-4,8a]propano[1H-2]benzopyran-7''(3''H),2'''-oxiran]-3''-one,5''-(acetyloxy)-3',4',4'',4''a,5'',6''-hexahydro-4''-methyl-, [4''S-[4''a,4''aa,5''b,7''b,8''a(S*),8''aa]]-; NSC 251678; Nepetefolin