ubiquinone-8 + (S)-malate => ubiquinol-8 + oxaloacetate
ubiquinone-8 + (s)-malate => ubiquinol-8 + oxaloacetate
ubiquinone-8 + (S)-malate => ubiquinol-8 + oxaloacetate
ubiquinone-8 + (s)-malate => ubiquinol-8 + oxaloacetate