Isomangiferin, a natural product, is reported to have antiviral activity.
References:
[1]. Zheng MS, et al. Antiviral effect of mangiferin and isomangiferin on herpes simplex virus. Chin Med J (Engl). 1990 Feb;103(2):160-5.
[2]. Gerassim M Kitanov, et al. Mangiferin and isomangiferin in some Hypericum species. Biochemical Systematics and EcologyVolume 26, Issue 6, 1 September 1998, Pages 647–653
















