Sudheesh Kumar, K. (2011) “Synthesis and Characterization of Polyurethanes of Isophorone Diisocyanate Containing Bis(azo) and Bis(o-Nitrobenzyl) Chromophores in the Main Chain”, Asian Journal of Chemistry, 23(6), pp. 2705–2708. Available at: https://asianpubs.org/index.php/ajchem/article/view/10435 (Accessed: 24 November 2024).