2-carboxy-5-(dihydroxymethyl)furan => 2-carboxy-5-formylfuran + H2O
2-carboxy-5-(dihydroxymethyl)furan => 2-carboxy-5-formylfuran + h2o
2-carboxy-5-(dihydroxymethyl)furan => 2-carboxy-5-formylfuran + H2O
2-carboxy-5-(dihydroxymethyl)furan => 2-carboxy-5-formylfuran + h2o