(+)-dehydrodiconiferyl acid + 2 a quinone + H2O => (+)-dehydrodiconiferyl acid carboxylate + 2 a quinol + H(+)
(+)-dehydrodiconiferyl acid + 2 a quinone + h2o => (+)-dehydrodiconiferyl acid carboxylate + 2 a quinol + h(+)