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. Author manuscript; available in PMC: 2007 Oct 21.
Published in final edited form as: Drug Metab Dispos. 2005 Nov 4;34(2):243–253. doi: 10.1124/dmd.105.007112

Fig. 6.

Fig. 6

Derivatization and separation of M2. A, biotinylation reaction of S4 by NHS-Biotin. B, radiochromatogram displaying the separation of biotinylated 14C-M2 and 14C-M2-OH from 14C-M3.