IUPAC:(1aR,7aS)-3,6-dihydroxy-7,7a-dihydro-1aH-2',4'-dioxaspiro[naphtho[2,3-b]oxirene-2,3'-tricyclo[7.3.1.0^{5,13}]tridecane]-1'(13'),5',7',9',11'-pentaen-7-one
IUPAC:(1aR,7aS)-3,6-dihydroxy-7,7a-dihydro-1aH-2',4'-dioxaspiro[naphtho[2,3-b]oxirene-2,3'-tricyclo[7.3.1.0^{5,13}]tridecane]-1'(13'),5',7',9',11'-pentaen-7-one