2-methylpropanoyl-CoA + 3 malonyl-CoA + 3 H(+) <=> phlorisobutanophenone + 3 CO2 + 4 CoA
2-methylpropanoyl-coa + 3 malonyl-coa + 3 h(+) <=> phlorisobutanophenone + 3 co2 + 4 coa
2-methylpropanoyl-CoA + 3 malonyl-CoA + 3 H(+) <=> phlorisobutanophenone + 3 CO2 + 4 CoA
2-methylpropanoyl-coa + 3 malonyl-coa + 3 h(+) <=> phlorisobutanophenone + 3 co2 + 4 coa