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The reaction of dc-SAM with PhDph2. A) PhDph2 can convert dc-SAM to dAPTA, 1. B) High-performance liquid chromatography analysis showing a new product, different with the standard MTA, was generated in the reaction. C) ESI-MS of the isolated new peak in B. The [M+1]+ of the demethyl product 1 and the fragment peak can be detected.
