Structure-activity relationship of benzophenanthridine alkaloids from Zanthoxylum rhoifolium having antimicrobial activity - Tavares, D LC; Zanon, G; Weber, A D; Neto, A T; Mostardeiro, C P; Da Cruz, I BM; Oliveira, R M; Ilha, V; Dalcol, I I; Morel, A F (PLoS One, 2014)