3d image of galacturonic acid skeletal formula

galacturonic acid d-galacturonic sugar galactose pectin polymer polygalacturonic aldehyde mucic uronic d-mannuronic l-iduronic d-glucuronic substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure biochemistry biomolecule organic tautomer isomer stereoisomer orbital structure activity relationship sar racemate iupac nomenclature name cas einecs 3d