Suggested Reaction 3.3.2.-

Left

3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-1-benzopyrylium chloride
+H2O

Right

1-Benzopyrylium, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-, chloride
+Methanol

[BiSSCat | GREP ]