Synonyms: Sun-2071;11,20-Epoxy-1,11,12-trihydroxy-15-(3-methyl-2-octenoyl)oxypicras-3,13(21)-diene-2,16-dione;92211-45-5;Picrasa-3,13(21)-diene-2,16-dione, 11,20-epoxy-1,11,12-trihydroxy-15-((3-methyl-1-oxo-2-octenyl)oxy)-, (1beta,11beta,12alpha,15beta(E))-