SEARCH Articles Figures Tables 0-PHTHALYL CHLORIDE, UNSYMMETRICAL O-Phthalyl chloride, symmetrical O-Phthalyl chloride, symmetrical UNSYMMETRICAL Phthalic anhydride 3-PHTHALYL CHLORIDE, SYMMETRICAL Phthalyl Symmetrical and Unsymmetrical o-Phthalyl Chlorides