@article{ author = {Moosavi-Zare, Ahmad Reza, Afshar-Hezarkhani, Hadis}, title = {N-sulfonic acid pyridinium-4-carboxylic acid chloride as a novel and efficient catalyst for the condensation reaction of aldehyde with thiobarbituric acid and ammonium acetate}, journal = {Iranian Journal of Catalysis}, year = {2020}, volume = {10}, number = {2}, pages = {119-126}, doi = {} }