9-cis-4-hydroxyretinoate + reduced [NADPH--hemoprotein reductase] + O2 = 9-cis-4-oxoretinoate + oxidized [NADPH--hemoprotein reductase] + 2 H2O + H(+)
9-cis-4-hydroxyretinoate + reduced [nadph--hemoprotein reductase] + o2 = 9-cis-4-oxoretinoate + oxidized [nadph--hemoprotein reductase] + 2 h2o + h(+)
9-cis-4-hydroxyretinoate + reduced [NADPH--hemoprotein reductase] + O2 = 9-cis-4-oxoretinoate + oxidized [NADPH--hemoprotein reductase] + 2 H2O + H(+)
9-cis-4-hydroxyretinoate + reduced [nadph--hemoprotein reductase] + o2 = 9-cis-4-oxoretinoate + oxidized [nadph--hemoprotein reductase] + 2 h2o + h(+)