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4- (3-ARYL-5-PHENYL-2-PYRAZOLINYL-1)PHTHALIC ACIDS OR THEIR METHYL ESTERS OR ANHYDRIDES OR SALTS AS PHOTOSTABLE ORGANIC LUMINOPHOR OF BLUE-GREEN LUMINESCENCE
4- (3-ARYL-5-PHENYL-2-PYRAZOLINYL-1)PHTHALIC ACIDS OR THEIR METHYL ESTERS OR ANHYDRIDES OR SALTS AS PHOTOSTABLE ORGANIC LUMINOPHOR OF BLUE-GREEN LUMINESCENCE