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approach to the synthesis of l - 3,4 dihydroxy - 6 - 18f fluorine - phenylalanine and 2 - 18f fluorine - l - tyrosine and their alpha methylated derivatives starting from a precursor
approach to the synthesis of l - 3,4 dihydroxy - 6 - 18f fluorine - phenylalanine and 2 - 18f fluorine - l - tyrosine and their alpha methylated derivatives starting from a precursor
