Konda SG. PEG-400: An efficient and recyclable reaction medium for the synthesis of pyrazolo[1,5-a]pyrimidines. Eur. J. Chem. [Internet]. 2014 Dec. 31 [cited 2024 May 8];5(4):676-80. Available from: https://eurjchem.com/index.php/eurjchem/article/view/1110