2-Formylpyridine thiosemicarbazone 2-Pyridinecarboxaldehyde thiosemicarbazone 3608-75-1 5-21-07-00311 (Beilstein Handbook Reference) AI3-51838 BRN 0132695 Hydrazinecarbothioamide, 2-(2-pyridinylmethylene)- Hydrazinecarbothioamide, 2-(2-pyridinylmethylene)- (9CI) NSC 729 PT Picolinaldehyde, thiosemicarbazone Picoline-2-aldehyde thiosemicarbazone