Pyridine series

2-Amino-3-chloro-5-cyanopyridi

3,6-Dichloro-2-pyridinecarboxa

6-Bromo-4-hydroxycoumarin

(4,4-Difluorocyclohexyl)methan

5-Cyano-4-hydroxy-2-(methylthi

Nitrocyclobutane

Dmtmmt

2-Amino-7-bromoquinazoline

2-Chloro-4-(chloromethyl)pyrid

ethyl 2-bromo-1,3-oxazole-5-ca

7-Hydroxypyrazolo[4,3-d]pyrimi

4-Methylthiazole-2-carboxylic