Pyridine series

2,6-Dibromo-4-nitroaniline

Benzenesulfonic Anhydride

2-Amino-4-bromobenzoic acid

3-Methoxyestra-2,5(10)-dien-17

Levonorgestrel 

4-METHOXYPHENETHYL BROMIDE

Cyclopentanecarboxaldehyde

5,5-Dimethylhydantoin

N,N-Dimethylcyclohexylamine

3-Methylenedihydro-2(3H)-furan

N-Succinimdyl-N-methylcarbamat

5-bromo-2-methoxy-4,6-dimethyl