2-hydroxybenzoyl-CoA + malonyl-CoA = 4-hydroxycoumarin + CO2 + 2 CoA
2-hydroxybenzoyl-coa + malonyl-coa = 4-hydroxycoumarin + co2 + 2 coa
2-hydroxybenzoyl-CoA + malonyl-CoA = 4-hydroxycoumarin + CO2 + 2 CoA
2-hydroxybenzoyl-coa + malonyl-coa = 4-hydroxycoumarin + co2 + 2 coa