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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Appl Radiat Isot. 2013 Dec 12;88:38–42. doi: 10.1016/j.apradiso.2013.11.133

Fig.1.

Fig.1

Structures of the UNAA used in the study. Although the molecules were used as racemates, only one enantiomer is drawn.