Formula: C21H30O4 | Mol. Weight: 346.50 g/mol
IUPAC: (2E,4E)-5-[(1R,2R,4aS,5R,8R,8aR)-5-hydroxy-2-[(E)-4-hydroxybut-2-en-2-yl]-3,8-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]penta-2,4-dienoic acid
CC1CCC(C2C1C(C(C(=C2)C)C(=CCO)C)C=CC=CC(=O)O)O