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. Author manuscript; available in PMC: 2014 Mar 24.
Published in final edited form as: Synthesis (Stuttg). 2013 May 28;45(13):1815–1824. doi: 10.1055/s-0033-1338860

Table 1.

Effective Concentrations of C13-Functionalized Analogues against Human Leukemia Cell Line K562 after 48 Hours of Incubation: Average of Two Experiments.

Analogue 12 13 14 15 16 17 18
EC50 (nM) 471 14.2 55.0 30.0 45.2 5.8 23.3