New Isoflavonoids from the extract of Rhynchosia precatoria (Humb. & Bonpl. ex Willd.) DC. and their antimycobacterial activity - Coronado-Aceves, E W; Gigliarelli, G; Garibay-Escobar, A; Zepeda, R ER; Curini, M; Cervantes, J L; Espitia-Pinzon, C II; Superchi, S; Vergura, S; Marcotullio, M C (J Ethnopharmacol, 2017)