“Synthesis of (Z) -2 - ((pyridin-4-yl) methylene) - [1,3] dioxolo [4,5-f]-indolin-3-one and (Z) -2 - ((pyridin- 2 -yl) methylene) - [1,3] dioxolo [4,5-f]-indolin-3-one, Rhodium Coordination, and their catalytic activity in the hydroformylation of allyl hom”, Rev. Invest. Univ. Quindío, vol. 24, no. 1, pp. 37–48, Sep. 2013, Accessed: Jun. 25, 2026. [Online]. Available: https://revistas.uniquindio.edu.co/ojs/index.php/riuq/article/view/191