3d image of muconic acid skeletal formula

muconic acid dicarboxylic isomeric trans cis geometry double bond metabolite benzene human biomarker environmental adipic bacteria aromatic bioplastics nylon-6 polyurethane polyethylene terephthalate 3d aromaticity metabolism biosynthesis cycle substance matter material compound component agent stuff reagent precursor synthesis reaction production building block molecule molecular formula skeletal structural structure ball stick tautomer isomer stereoisomer