3,4-Bis-(4,5-dimethoxy-2-methoxycarbonylmethyl-phenyl)-1H-pyrrole-2,5-dicarboxylic acid dimethyl ester

4,5-Bis-(4,5-dimethoxy-2-methoxycarbonylmethyl-phenyl)-pyridazine-3,6-dicarboxylic acid dimethyl ester

(R)-8,9-dimethoxy-2,3,6,10b-tetrahydro-1H-pyrrolo[2,1-α]isoquinolin-5-one

methyl 2-(2-(5-(4-(t-butyl)phenyl)naphthalen-2-yl)-4,5-dimethoxyphenyl)acetate