Synonyms : Methemoglobin Reductase, NADH Cytochrome B5 Reductase, NADH Methemoglobin Reductase, NADH-Cytochrome B5 Reductase, NADH-Ferrihemoglobin Reductase, B5 Reductase, NADH-Cytochrome, Methemoglobin Reductase, NADH, NADH Ferrihemoglobin Reductase