Rotenoids, flavonoids, and chalcones from the root bark of Millettia usaramensis - Deyou, T; Gumula, I; Pang, F; Gruhonjic, A; Mumo, M; Holleran, J; Duffy, S; Fitzpatrick, P A; Heydenreich, M; Landberg, G; Derese, S; Avery, V; Rissanen, K; Erdelyi, M; Yenesew, A (J Nat Prod, 2015)