methyl-6-hydroxy-11beta-acetoxy-12alpha-(2-methylbutanoyloxy)-3,7-dioxo-14beta,15beta-epoxy-1,5-meliacadien-29-oate
methyl-6-hydroxy-11beta-acetoxy-12alpha-(2-methylbutanoyloxy)-3,7-dioxo-14beta,15beta-epoxy-1,5-meliacadien-29-oate