a 9-cis-epoxycarotenoid + O2 <=> a 12'-apo-carotenal + 2-cis,4-trans-xanthoxin
a 9-cis-epoxycarotenoid + o2 <=> a 12'-apo-carotenal + 2-cis,4-trans-xanthoxin
a 9-cis-epoxycarotenoid + O2 <=> a 12'-apo-carotenal + 2-cis,4-trans-xanthoxin
a 9-cis-epoxycarotenoid + o2 <=> a 12'-apo-carotenal + 2-cis,4-trans-xanthoxin