1a-methyl-7a-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphtho[2,3-b]oxirene-2,7-dione 1a-methyl-7a-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphtho[2,3-b]oxirene-2,7-quinone 7a-methyl-1a-[(2E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione CHEBI:15759