Pyridine series

Tetrachloro-o-benzoquinone

1,3-Cyclohexanedione

Oxindole

5-bromo-2-(N,N-dimethyl-1-yl)p

Semicarbazide hydrochloride

2,2'-benzene-1,4-diylbis(4,4,5

(dimethylamino)acetaldehyde di

2-Amino-3-chloropyrazine

N-Ethylcyclohexylamine

4-(TRIBUTYLSTANNYL)THIAZOLE

3-Amino-4-methylpyridine

Methyl (triphenylphosphoranyli