1-Phenyl-5-Methyl Pyrazole-4-Carboxylic Acid

1-Phenyl-5-Methyl Pyrazole-4-Carboxylic Acid Ethyl Ester

5-Phenyl-Pyrazole-3-Carboxylic Acid

5-Phenyl-Pyrazole-3-Carboxylic Acid Ethyl Ester

Pyridine-3-Carbonyl Chloride Hcl

Pyridine-3-Sulphonyl Chloride Hcl
