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New Research: PhICl2-Mediated Regioselective and Electrophilic Oxythio/Selenocyanation of o-(1-Alkynyl)benzoates: Access to Biologically Active S/SeCN-Containing Isocoumarins: The application of PhICl2/NH4SCN and PhICl2/KSeCN reagent systems… https://t.co/