compound 3-carboxy-cis,cis-muconate UPa:UPC01163 KEGG:C01163 CHEBI:15749 compound C7H6O6 InChI=1S/C7H6O6/c8-5(9)2-1-4(7(12)13)3-6(10)11/h1-3H,(H,8,9)(H,10,11)(H,12,13)/b2-1-,4-3+