Suggested Reaction 1.14.13.-

Left

3,5,7,3',4',5'-Hexahydroxyflavone
+H2O
+NADP+

Right

1-Benzopyrylium, 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-, chloride
+NADPH
+O2

[BiSSCat | GREP ]