The molecule is a flavonoid oxoanion obtained by deprotonation of the 5-hydroxy group of 7-O-methylluteone. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 7-O-methylluteone.
3-(2,4-dihydroxyphenyl)-7-methoxy-6-(3-methylbut-2-enyl)-4-oxochromen-5-olate