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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Nat Chem Biol. 2011 Sep 25;7(11):810–817. doi: 10.1038/nchembio.664

Table 2.

Permeability and microsomal stability data on Leu-to-Ser substitutions in compound 3.

graphic file with name nihms314382u1.jpg
cpd R1 R3 R4 PAMPA (%T) RRCK pH 7.4 (× 106cm/s) HLM Clint (μg/min/mg) RLM Clint (μg/min/mg) Human plasma stab (t1/2, min)
3 L1S −OH i-Pr i-Pr < 0.08 1.9 54 98 > 360
3 L3S i-Pr −OH i-Pr < 0.08 1.6 85 53 > 360
3 L4S i-Pr i-Pr −OH < 0.08 0.76 271 507 >360