Pyridine series

4-Hydroxybenzotriazole

N-(2,4-difluorophenyl)-N'-(4-

2-Amino-3-iodobenzoic acid

Chlorosulfonyl isocyanate

Methyl 5-bromo-1H-pyrrole-2-ca

1-Aminopiperidine

Betaxolol hydrochloride

2,5-Dimethyl-2,3-dihydrofuran-

2-(2-Ethoxyethoxy)benzoic acid

4-Oxocyclohexane-1-carboxyli

2-Iodo-1-trityl-1H-imidazole

(1,3:2,4) Dibenzylidene sorbit