1.1.2.3 L-lactate dehydrogenase (cytochrome); lactic acid dehydrogenase; cytochrome b2 (flavin-free derivative of flavocytochrome b2); flavocytochrome b2; L-lactate cytochrome c reductase; L(+)-lactate:cytochrome c oxidoreductase; dehydrogenase, lactate (cy • • •