The molecule is dianion of ternatin C5 arising from deprotonation of the malonyl carboxy and 5-and 7- hydroxy groups. It is a conjugate base of a ternatin C5.
3-oxo-3-[[(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-[5-hydroxy-2-[4-oxido-3,5-bis[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy]phenyl]-7-oxochromen-3-yl]oxyoxan-2-yl]methoxy]propanoate