N-methylpyridine-4-methylamine
5-
3-ethyl-1-methyl-2-phenyl-5-pyridin-4-yl-4-p-tolyl-3-imidazolinium-4-carboxylate
1-benzyl-3-ethyl-2-phenyl-4-p-tolyl-3-imidazolinium-4-carboxylate
1-methylthio-3-(4-pyridyl)-1,2-cyclopropanedicarboxylic acid diethyl ester