SMILES: CC(C)C(=O)C1=C(C(=C(C(C1=O)(CC=C(C)C)CC=C(C)C)O)CC=C(C)C)O
Description: The molecule is a beta-bitter acid in which the acyl group is specified as isobutanoyl. It is a conjugate acid of a colupulone(1-).