29606-32-4

(1''S,3R,3''R,5'S,5''R,6''R,7''S)-7''-Methyl-8''-oxo-3',4'-dihydrotrispiro[furan-3,2'-furan-5',2''-[9]oxatricyclo[5.3.3.0~1,6~]tridecane-3'',2'''-oxiran]-5''-yl acetate