2-<(Phenylthio)methyl>-3-(3-oxo-1(E)-buten-1-yl)pyridine

2-<(Phenylsulfonyl)methyl>-3-(3-oxo-1(E)-propen-1-yl)pyridine

(6-Oxo-5,6,7,8-tetrahydro-quinolin-5-yl)-acetic acid ethyl ester

3-(1-Benzenesulfonyl-but-3-enyl)-2-((E)-buta-1,3-dienyl)-pyridine

2-Methyl-3-<1-(phenylsulfonyl)pent-1-yl>pyridine