24470-33-5 Azuleno(4,5-b)furan-2(3H)-one, 3-((acetyloxy)methyl)decahydro-3,8-dihydroxy-6,9-bis(methylene)-, (3R-(3alpha,3aalpha,6aalpha,8beta,9aalpha,9bbeta))- Solstitialin A 13-acetate