SYNTHESIS AND STUDY OF N,N1 - HEXAMETHYLENE BIS- {[(4,41-DIMETHYLDIPHENYL)-AZO-2,21-DIAMINO] UREA} PROPERTIES, APPLICATIONS. Journal of Pharmaceutical Negative Results [Internet]. 2022 Oct. 20 [cited 2026 Jun. 17];:3265-2378. Available from: https://www.pnrjournal.com/index.php/home/article/view/2488