3d image of isophthalic acid skeletal formula

isophthalic acid benzene dicarboxylic meta-phthalic phthalic terephthalic polyethylene terephthalate resin pet unsaturated polyester upr tautomer isomer stereoisomer benzenedicarboxylic cobalt-manganese catalyst aromatic plastic bottles food packaging polybenzimidazole polymer substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure 3d chemistry science scientific research organic chemical nomenclature name