Pyridine series

2-chloroadenine

6-(gamma,gamma-dimethylallylam

5-Nitrouracil 

1,3-DI-BOC-2-(TRIFLUOROMETHYLS

5-broMo-3-fluoropyridine-2-car

3-(3-THIENYL)ACRYLIC ACID

diethylthiocarbamoyl chloride

PHTHALIMIDOACETALDEHYDE DIETHY

6-Oxa-1-aza-spiro[3,3]heptane