3) 2) 10) 11) 12) ic + 요요 √²+H-N= LON H ЕТ LIOH OH Socia OH Amine Protecting Group. - aff YOUNOH DOCC/EAN наш Br Hasay 104 H2 504 на о E+3N GMHCI H₂0 + NaCEN - CEN Hasoy H20

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.