Chemical Name: 5-Methyl-N-(p-tolyl)isoxazole-4-carboxamide
Smiles: O=C(C1=C(C)ON=C1)NC2=CC=C(C)C=C2
Inchi: InChI=1S/C12H9F3N2O2/c1-7-8(6-16-19-7)11(18)17-10-5-3-2-4-9(10)12(13,14)15/h2-6H,1H3,(H,17,18)
Isolation and characterization of a degradation product in leflunomide and a validated selective stability-indicating HPLC–UV method for their quantification
Balraj Saini and Gulshan Bansal
J Pharm Anal. 2015 Jun; 5(3): 207–212.
Rapid Stability Indicating HPLC Method for the Analysis of Leflunomide and Its Related Impurities in Bulk Drug and Formulations
Useni Reddy Mallu,1 Venkateswara Rao Anna,1 and Bikshal Babu Kasimala
Turk J Pharm Sci. 2019 Dec; 16(4): 457–465.