D-glucarate => 5-dehydro-4-deoxy-D-glucarate + H2O
d-glucarate => 5-dehydro-4-deoxy-d-glucarate + h2o
D-glucarate => 5-dehydro-4-deoxy-D-glucarate + H2O
d-glucarate => 5-dehydro-4-deoxy-d-glucarate + h2o