Synonyms: 9,13:20,23:31,35-Triepoxy-4,7-methano-5,27-[1]penteno-25H-oxacyclodotetracontino[20,21-b]pyridin-25-one,2,3,4,4a,5,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,27,30,31,32,33,34,35,36,37,38,43,44-tetratriacontahydro-10,12,19,21,30,33,34,38-octahydroxy-4a,17,41,47,50-pentamethyl-16-methylene-22-(sulfooxy)-,(all-E)-; Prorocentrolide B