Pyridine series

Dibutyl phosphate

L-2-Cyanophenylalanine

Benzaldehyde-2,4-disulfonic ac

4-Bromo-3,6-dihydro-2H-pyran

4-Bromo-2-formylthiazole

2-Bromo-4-Fluoroaniline

3,4-Difluoropyridine

P-toluic acid         

1,2-bis-(hydroxyethylthio)-eth

METHYLCYCLOHEXANE

2,5-Dimethyl thiazole

Dicyclohexyl-18-crown-6