glyoxylate + pyruvate => (4S)-4-hydroxy-2-oxoglutarate
glyoxylate + pyruvate => (4s)-4-hydroxy-2-oxoglutarate
glyoxylate + pyruvate => (4S)-4-hydroxy-2-oxoglutarate
glyoxylate + pyruvate => (4s)-4-hydroxy-2-oxoglutarate