Suresh Babu, Meduri, and Kuria Madhavu Lokanatha Rai. 2013. “Synthesis of Podophyllotoxin and Its Derivatives via NiCl2 NaBH4 Reduction of Isoxazoline Ring”. Asian Journal of Chemistry 25 (17):9555-57. https://doi.org/10.14233/ajchem.2013.15073.