Suresh Babu, M., & Madhavu Lokanatha Rai, K. (2013). Synthesis of Podophyllotoxin and its Derivatives via NiCl2/NaBH4 Reduction of Isoxazoline Ring. Asian Journal of Chemistry, 25(17), 9555–9557. https://doi.org/10.14233/ajchem.2013.15073