Bibliografisk träff 1991-11-01 Cystodytins D-I, new cytotoxic tetracyclic aromatic alkaloids from the Okinawan marine tunicate Cystodytes dellechiajei. Kobayashi J, Tsuda M, Tanabe A, Ishibashi M, Cheng JF, Yamamura S, Sasaki T. J Nat Prod · journal article · DOI 10.1021/np50078a022