the mean percent recoveries of the powder in 50 % solvent : methanol , ethanol , isopropanol and acetone are : 97.87 +/- 1,30 , 100.85 +/- 1.35 , 102.01 +/- 1.39 and 99.35 +/- 0.29 respectively .
C0001962
ethanol
C0022237
isopropanol