The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of (+)-artemisinic acid. The major species at pH 7.3. It is a conjugate base of a (+)-artemisinic acid.
2-[(1R,4R,4aS,8aR)-4,7-dimethyl-1,2,3,4,4a,5,6,8a-octahydronaphthalen-1-yl]prop-2-enoate