3,5-Dimethyl-1H-pyrrole-2-carboxaldehyde Methyl 2-pyrrolecarboxylate 4-Methylpyrrole-2-carboxylic acid Ethyl 3,5-dimethyl-1H-pyrrole-2-carboxylate 2,4-Dimethylpyrrole CHEMBRDG-BB 4302234 (1H-Pyrrol-2-yl)-methanol 4-Methyl-1H-pyrrole-2-carbaldehyde 3,4,5-Trimethyl-1H-pyrrole-2-carboxaldehyde Benzyl 3,5-dimethylpyrrole-2-carboxylate