1.Badr JM, Shaala LA, Abou-Shoer MI, Tawfik MK, Habib AA.. (2008) Bioactive brominated metabolites from the Red Sea sponge Pseudoceratina arabica., 71 (8):[PMID:18598078][10.1021/np8002113]
2.Antunes EM, Beukes DR, Kelly M, Samaai T, Barrows LR, Marshall KM, Sincich C, Davies-Coleman MT.. (2004) Cytotoxic pyrroloiminoquinones from four new species of South African latrunculid sponges., 67 (8):[PMID:15332840][10.1021/np034084b]
3.Davis RA, Buchanan MS, Duffy S, Avery VM, Charman SA, Charman WN, White KL, Shackleford DM, Edstein MD, Andrews KT, Camp D, Quinn RJ.. (2012) Antimalarial activity of pyrroloiminoquinones from the Australian marine sponge Zyzzya sp., 55 (12):[PMID:22686608][10.1021/jm3002795]