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. Author manuscript; available in PMC: 2012 Jun 29.
Published in final edited form as: J Am Chem Soc. 2002 May 8;124(18):5000–5009. doi: 10.1021/ja017713h

Figure 4.

Figure 4

Top: Expansion of a 1H NMR spectrum of semipurified thermolysis reaction products of 2b showing the formation of 3b. Bottom: Expansion of a 1H NMR spectrum of pure 3b.