Hasan, M. N., Ahsan, M., Hasan, C. M., & Azam, A. Z. (2016). 2,5-Dihydroxy-3-heptadecyl-1,4-benzoquinone and Stigmasterol from Heliotropium indicum L. Dhaka University Journal of Pharmaceutical Sciences, 15(1), 113–115. https://doi.org/10.3329/dujps.v15i1.29205