7-甲氧基-1-茚酮

环庚三烯酚酮

3,4-呋喃二羧酸二甲酯

3-methoxyhomobarrelenone

(1S,4R,4aR,5R,9S,9aS)-dimethyl 5-methoxy-6-oxo-4,4a,5,6,9,9a-hexahydro-1H-1,4-epoxy-5,9-ethenobenzo[7]annulene-2,3-dicarboxylate