methyl 3-(2-methoxycarbonylethyl)-4-methylpyrrole-2-carboxylate

benzyl 3-(2'-methoxycarbonylethyl)-4-methylpyrrole-2-carboxylate

benzyl 3-(3-(benzyloxy)-3-oxopropyl)-4-methyl-1H-pyrrole-2-carboxylate

5,5'-diformyl-3,3'-bis(2-benzyloxycarbonylethyl)-4,4'-dimethyl-2,2'-methylenedipyrrole

甲醇