Formula: C22H28O7 | Mol. Weight: 404.50 g/mol
IUPAC: (2E,4E)-5-[(1R,3R,7S,8S,9R)-7-acetyloxy-3-hydroxy-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.01,7]tridec-4-en-9-yl]-2-methylpenta-2,4-dienoic acid
CC1=CCC2(C3CCC2(CC1O)C(=O)OC3(C)C=CC=C(C)C(=O)O)OC(=O)C