3-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dihydro-8-methoxy-1-[4-methoxy-3-(methoxymethoxy)phenyl]-4-oxo-[1]benzopyrano[3,4-b]pyrrol-7-yl 2,2,2-trichloroethyl sulfate

2-benzyloxy-1-methoxy-4-(methoxymethoxy)benzene

2-[4-methoxy-3-(methoxymethoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

3-[2-(3,4-dimethoxyphenyl)ethyl]-7-hydroxy-8-methoxy-1-[4-methoxy-3-(methoxymethoxy)phenyl]-[1]benzopyrano[3,4-b]pyrrol-4(3H)-one

dimethyl 3,4-dihydroxy-1-[2-(3,4-dimethoxyphenyl)ethyl]pyrrole-2,5-dicarboxylate