Pyridine series

4-Bromo-3-cyanobenzoic acid

2-(Tributylstannyl)-5-(trifluo

5-Iodo-1H-indazole

3-Bromo-4-methyl-5-nitropyridi

2-Furanol

2,2'-(Hydroxyimino)bisethanesu

Pyrocatechol violet sodium sal

Dibutyl tin dilaurate

3-(2,5-Dioxo-2,5-dihydro-pyrro

1-Isoquinolinyl phenyl ketone

4-cyanobenzophenone

6-Bromohexan-2-one