1-[2-[N-methyl-N-(ethoxycarbonyl)amino]ethyl]-3,4,6,7-tetramethoxyphenanthrene

(E)-N-2{2-[2-(4,5-dimethoxyphenyl)ethenyl]-3,4-dimethoxyphenyl}ethyl-N,N-dimethylamine

N,N-dimethyl-3,4,6,7-tetramethoxy-1-phenanthrenylacetamide

methyl (3,4,6,7-tetramethoxy-1-phenanthrenyl)acetate

1,2,9,10-tetramethoxy-4,5,6a,7-tetrahydrodibenzo[de,g]chromen-5-one