1,2-epoxy-2,1'-hydroxyethyl-5,8-dimethoxy-1,2,3,4-tetrahydronaphthalene

β-四氢萘酮

(7SR,9SR)-9-ethynyl-7,8,9,10-tetrahydro-6,9,11-trihydroxy-7-methoxynaphtacene-5,12-dione

(6aRS,7SR,9SR,10aRS)-9-ethynyl-6a,7,8,9,10,10a-hexahydro-5,9,12-trihydroxy-7-methoxynaphtacene-6,11-dione

2-(1-acetoxyethylidene)-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracene-5,12-diyl diacetate