Formula: C22H26O7 | Mol. Weight: 402.40 g/mol
IUPAC: [(2S,2'S,3R,4bS,8aS,9S,10S)-3,10-dihydroxy-2',4b,7,8-tetramethyl-1,4,6-trioxospiro[5,8a,9,10-tetrahydro-3H-phenanthrene-2,1'-cyclopropane]-9-yl] acetate
CC1CC12C(C(=O)C3=C(C2=O)C(C(C4C3(CC(=O)C(=C4C)C)C)OC(=O)C)O)O