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. Author manuscript; available in PMC: 2012 Jul 28.
Published in final edited form as: J Med Chem. 2011 Jun 30;54(14):5195–5204. doi: 10.1021/jm200461m

Figure 1.

Figure 1

A) 6-hemisuccinyl morphine hapten used by Wainer et al. and linker extended hapten of Anton and Leff. B) Metabolic pathways of heroin (including isozyme abbreviations) and metabolite half lives in humans.