Suggested Reaction 1.14.13.-

Left

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

Right

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

[BiSSCat | GREP ]