Sun-0237;11,20-Epoxy-1,11,12-trihydroxy-15-(2-undecenoyl)oxypicras-3,13(21)-diene-2,16-dione;87790-39-4;Picrasa-3,13(21)-diene-2,16-dione, 11,20-epoxy-1,11,12-trihydroxy-15-((1-oxo-2-undecenyl)oxy)-, (1beta,11beta,12alpha,15beta(E))-
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