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 _____     __   __   __   __     ___      _____   
|  __ \\   \ \\/ //  \ \\/ //   / _ \\   / ____|| 
| |  \ ||   \ ` //    \   //   / //\ \\ / //---`' 
| |__/ ||    | ||     / . \\  |  ___  ||\ \\___   
|_____//     |_||    /_//\_\\ |_||  |_|| \_____|| 
 -----`      `-`'    `-`  --` `-`   `-`   `----`

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Text this: Ultrasonic-assisted synthesis of carbodiimides from N,N′-disubstituted thioureas and ureas