label: vitamin D2 + reduced [NADPH--hemoprotein reductase] + O2 = 25-hydroxyvitamin D2 + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: vitamin d2 + reduced [nadph--hemoprotein reductase] + o2 = 25-hydroxyvitamin d2 + oxidized [nadph--hemoprotein reductase] + h2o + h(+)