1-Methyl-1H-pyrrole-2-carboxaldehyde 1-Methylpyrrole-2-carbaldehyde 1192-58-1 1H-Pyrrole-2-carboxaldehyde, 1-methyl- 5-21-07-00177 (Beilstein Handbook Reference) BRN 0107811 EINECS 214-755-0 N-METHYL-2-FORMYLPYRROLE NSC 72386