Formula: C22H28O8 | Mol. Weight: 420.50 g/mol
IUPAC: (1S,1'R,3'S,5S,6S,7S,9S)-3'-acetyloxy-7-hydroxy-6',6'-dimethyl-10-methylidene-2,11-dioxospiro[3-oxatricyclo[7.2.1.01,6]dodecane-5,2'-cyclohexane]-1'-carboxylic acid
CC(=O)OC1CCC(C(C12COC(=O)C34C2C(CC(C3)C(=C)C4=O)O)C(=O)O)(C)C