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. Author manuscript; available in PMC: 2014 Jan 24.
Published in final edited form as: J Med Chem. 2010 Feb 11;53(3):1038–1047. doi: 10.1021/jm901029n

Figure 3.

Figure 3

LC-MS spectra of the intermediates obtained during the hydrolysis studies of 2a-d: (A) 2a (I-1); (B) 2a (I-2); (C) 2b (I-1); (D) 2b (I-2); (E) 2c (I-1); (F) 2c (I-2); (G) 2d (I-1); (H) 2d (I-2).