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  ______    ______   __   _      ___      ______  
 /_   _//  /_   _// | || | ||   / _ \\   /_   _// 
 `-| |,-    -| ||-  | '--' ||  / //\ \\  `-| |,-  
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   |_||    /_____// |_|| |_|| |_||  |_||   |_||   
   `-`'    `-----`  `-`  `-`  `-`   `-`    `-`'

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Text this: Facile synthesis of imidazo[1,2-a]pyridines promoted by room-temperature ionic liquids under ultrasound irradiation