Pyridine series

Methyl 3-pyrrolidinecarboxylat

13-Dimethylpentylamine

Chloro sulphonic acid

4-chlorobutyryl chloride

Thionyl chloride

4-Bromo benzo furan 2-carboxyl

2-aminonicotinic acid

2-phenyl ethylamine

Bromobenzene

4-Bromochlorobenzene

14-Dicyanobenzene

Ethylenediamine