Developing a new spectrophotometric method for analyzing valsartan by forming a colored complex with the organic reagent AAN and studying its pharmaceutical applications. TUJ-BA [Internet]. 2024 Dec. 22 [cited 2026 Aug. 2];46(4):137-51. Available from: https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/17335