Pyridine series

3-Oxo-4-aza-5alpha-androstane-

2-Chloro-5-nitroanisole  

2-BROMO-5-CHLOROPHENYLACETIC A

DLCamphorsulfonic acid

N,N-DIETHYL-M-TOLUIDINE

Exenatide acetate

3,5-Dichlorobenzoic acid      

4-Bromo-2-fluoro-6-nitroanilin

2,5-Dichloro-3-pyridinecarboxa

Tenofovir

2-Isopropoxy-3-methoxybenzalde