The molecule is a phenolate anion resulting from the deprotonation of the hydroxy group that is para- to the aldehyde group of ascofuranol. The major species at pH 7.3. It is a conjugate base of an ascofuranol.
2-chloro-4-formyl-5-hydroxy-6-[(2E,6E)-7-[(2S,4S)-4-hydroxy-5,5-dimethyloxolan-2-yl]-3-methylocta-2,6-dienyl]-3-methylphenolate