Pyridine series

6-Methylnicotinaldehyde

5-(2-Methoxyphenyl)-1,3,4-thia

2-Amino-6-chloro-4-picoline

5-(2-Chlorophenyl)-1,3,4-thiad

2-Amino-5-(4-methoxyphenyl)-1,

2-Amino-5-(4-chlorophenyl)-1,3

Methyl 4-methyl-3,5-dinitroben

Indomethacin

Ethyl cyclohexanecarboxylate

2-Methyl-1,3-oxazole-4-carboxy

1-Phenyl-1h-pyrazole-4-carboxy

Thieno[3,2-d]pyrimidin-4(3H)-o