Reaction catalyzed by 2,3',4,6-tetrahydroxybenzophenone synthase (2.3.1.151)
3
+
=
4
CoA
+
+
3
3 Malonyl-CoA
+
3-hydroxybenzoyl-CoA
=
4 CoA
+
2,3',4,6-tetrahydroxybenzophenone
+
3 CO2