SMILES: C[C@H]1[C@]23CC(C[C@H]2C=C([C@@H]3CC(=O)O1)C(=O)[O-])(C)C
Description: The molecule is a monocarboxylic acid anion that is the conjugate base of neopentalenolactone D, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a neopentalenolactone D.