dimethyl 3-(4,5-dimethoxy-2-(methoxymethoxy)phenyl)-4-(3,4-dimethoxyphenyl)pyrrole-2,5-dicarboxylate

1-bromo-4,5-dimethoxy-2-(methoxymethoxy)benzene

2-[(3,4-dimethoxyphenyl)ethynyl]-4,5-dimethoxybenzaldehyde

2-(3,4-Dimethoxy-phenylethynyl)-4,5-dimethoxy-phenol

2-[(3,4-dimethoxyphenyl)ethynyl]-4,5-dimethoxy-1-(methoxymethoxy)benzene