Antitumoral potential of carbamidocyclophanes and carbamidocylindrofridin A isolated from the cyanobacterium Cylindrospermum stagnale BEA 0605B - Tena Pérez, V; Apaza Ticona, L; Cabanillas, H A; Maderuelo Corral, S; Perles, J; Rosero Valencia, D F; Quintana, A M; Ortega Domenech, M; Rumbero Sánchez, Á (Phytochemistry, 2020)