IUPAC:(1aR,2R,3R,3aR,5R,7bS)-3,3',3',3a-tetramethyl-6-oxo-2,3,3a,4,6,7b-hexahydro-1aH-spiro[naphtho[1,2-b]oxirene-5,2'-oxiran]-2-yl acetate
IUPAC:(1aR,2R,3R,3aR,5R,7bS)-3,3',3',3a-tetramethyl-6-oxo-2,3,3a,4,6,7b-hexahydro-1aH-spiro[naphtho[1,2-b]oxirene-5,2'-oxiran]-2-yl acetate