Topsentin, bromotopsentin, and dihydrodeoxybromotopsentin; antiviral and antitumor bis(indolyl)imidazoles from Caribbean deep-sea sponges of the family Halichondriidae. Structural and synthetic studies Model Digital Document Tsujii, S. Rinehart, Kenneth L. Gunasekera, Sarath P. Kashman, Y. Cross, S. S. Lui, M. S. Pomponi, Shirley A. Diaz, Maria Cristina Publisher American Chemical Society Member of HBOI Faculty Contributions