Formula: C21H24O8 | Mol. Weight: 404.40 g/mol
IUPAC: methyl (1S,4S,7S,9S,10S,12R,15S)-7-(furan-3-yl)-4-hydroxy-9-methyl-5,14-dioxo-6,13-dioxatetracyclo[10.2.2.01,10.04,9]hexadecane-15-carboxylate
CC12CC(OC(=O)C1(CCC34C2CC(CC3C(=O)OC)OC4=O)O)C5=COC=C5