Rani, Manju, Davender Kumar Shukla, and Arif Ali Khan. “One Pot Synthesis of 3,9-Bis-(2,4-Di-Tert-Butyl Phenoxy)-2,4,8,10-Tetraoxa-3,9-Diphospha-spiro[5.5]undecane, Their Chalcogenides and Metal Complexes”. Asian Journal of Chemistry 25, no. 8 (March 19, 2013): 4556–4558. Accessed November 24, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_8_101.