8-hydroxy-1-methoxy-3-methylnaphtho[3,2-c]isochromene-5,7,12-trione

methyl 2-[ω-(2-N,N-diethylcarbamoyl-4-methyl-6-methoxyphenyl)acetyl]-6-methoxyphenylacetate

2-(2-N,N-diethylcarbamoyl-4-methyl-6-methoxyphenyl)-5-methoxy-1,3-naphthalenediol

2-(2-N,N-diethylcarbamoyl-4-methyl-6-methoxyphenyl)-3-hydroxy-5-methoxy-1,4-naphthoquinone

1,8-dimethoxy-3-methyl-7,12-dihydro-5H-dibenzo[c,g]chromene-5,7,12-trione