N-(1-ethoxycarbonyl-propen-2-yl)urea

2,4,6-trimethyl-pyridine-3,5-dicarboxylic acid

4-iodomethyl-2,6-dimethyl-pyridine-3,5-dicarboxylic acid diethyl ester

1-benzyl-2,4,6-trimethyl-pyridinium

1,1'-Dibenzyl-2,4,6,2',4',6'-hexamethyl-1,4,1',4'-tetrahydro-[4,4']bipyridyl