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. Author manuscript; available in PMC: 2014 Feb 3.
Published in final edited form as: Chem Commun (Camb). 2012 Dec 20;49(10):947–965. doi: 10.1039/c2cc36577d

Fig. 15.

Fig. 15

CID product ion spectra of (a) [M+◆]−, (b) [M−H]−, and (c) [M+H]+ of angiotensin II. Diamonds (◆) indicate ions containing the Schiff base modification. Reprinted with permission from ref. 144. Copyright 2010 American Chemical Society.