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