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. 2012 Apr 24;2(5):390–393. doi: 10.1016/j.jpha.2012.04.006

Table 4.

Results of stability studies for eplerenone.

QC level Stability at RT Stability at −20 °C Freeze–thaw stability
% Nominal RSD (%) % Nominal RSD (%) % Nominal RSD (%)

LQC 102.23 4.97 104.93 5.03 103.34 3.87
HQC 104.58 3.46 105.21 6.01 98.45 4.75