Juglomycin B has a broad spectrum of antibacterial and mycobacterial effects, and has the effect of inhibiting ehrlician ascites cancer in mice and prolongating life with 1 mg/kg[1].
References
[1] Shogo Kamo, et al. Synthetic and Biological Studies of Juglorubin and Related Naphthoquinones. J Org Chem. 2019 Nov 1;84(21):13957-13966.