Isolation and structure elucidation of 34-sulfatobastadin 13, an inhibitor of the endothelin A receptor, from a marine sponge of the genus Ianthella Model Digital Document Gulavita, N. K. Wright, Amy E. McCarthy, Peter J. Pomponi, Shirley A. Kelly-Borges, M. Chin, M. Sills, Matthew A. Publisher The American Chemical Society and American Society of Pharmacognosy Member of HBOI Faculty Contributions