methyl 4-acetoxy-2-ethyl-5,6,8-trimethoxy-7-methyl-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate

2-hydroxy-5,7,8-trimethoxy-6-methylnaphthalene-1,4-dione

乙醛

2,4,5-trimethoxy-3,6-dimethylbenzaldehyde

2,5,7-三甲氧基-[1,4]萘醌