5,8-dimethoxy-1,2,3,4-tetrahydronaphthalene

2-乙酰基-3,4-二氢-5,8-二甲氧基萘

9-acetyl-6,9,11-trihydroxy-8,10-dihydro-7H-tetracene-5,12-dione

5,12-dihydroxy-3,4-dihydro-1H-tetracene-2,6,11-trione

琥珀酸