Ansari, A.S., and A.K. Gupta. 2010. “Synthesis, Electro-Optical Characteristic and Antimicrobial Efficacy of Some Benzothiazolium Asycyanine Colorants ”. Asian Journal of Chemistry 9 (3):509-14. https://asianpubs.org/index.php/ajchem/article/view/23909.