Rahul Shankarrao PATIL; Ankush V. MALI; Shivaji H. BURUNGALE. Study on Synthesis of 1,8-Dioxooctahydroxanthene by Silica Supported Orthophosphoric Acid (H\(_3\)PO\(_4\)•SiO\(_2\)). Challenges and Advances in Chemical Science Vol. 5, [S. l.], p. 32–44, 2021. DOI: 10.9734/bpi/cacs/v5/9876D. Disponível em: https://stm.bookpi.org/CACS-V5/article/view/3892. Acesso em: 7 jun. 2026.