Pyridine series

6-Hydroxy-3-methylindazole

4,4,4-trifluorobutan-2-one

2-bromo-1-(bromomethyl)-4-nitr

7-CHLORO-1H-INDAZOLE-3-CARBOXY

2,4-Dihydro-5-methoxy-4-methyl

3,4,5,6-Tetrachlorophthalonitr

Triphenylsulfonium chloride