pyridine-2-carboxylic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

N-ethyl-1-pyridin-2-ylmethanimine

6-(1H-pyridin-2-ylidenemethylimino)cyclohexa-2,4-diene-1-thione

2-(piperidin-1-ylmethyl)pyridine

2-(2-吡啶)苯并噻唑