Dash, S., B. Kar, N. Sahoo, and G. Pattnaik. 2020. “Annonaine an Alkaloid from the Leaves of Custard Apple (Annona squamosa): A Comprehensive Review on Its Phytochemicals and Pharmacological Activities”. Asian Journal of Chemistry 32 (8):1824-36. https://doi.org/10.14233/ajchem.2020.22696.