Solid state  | 
  Samples  | 
  Initial 
     (0 day)  | 
  40 °C/75%RH,  
    60 days  | 
  Change (%)  | 
  60 °C/75%RH,  
    60 days  | 
  Change (%)  | 
    
   
  Crystalline form   | 
  A-1   | 
  0.10%  | 
  0.18%  | 
  +0.08%  | 
  0.31%  | 
  +0.21%  | 
    
   
  A-2   | 
  0.09%  | 
  0.18%  | 
  +0.09%  | 
  0.33%  | 
  +0.24%  | 
    
   
  Amorphous form   | 
  B-1   | 
  0.27%  | 
  1.06%  | 
  +0.79%  | 
  3.25%  | 
  +2.98%  | 
    
   
  B-2   | 
  0.31%  | 
  1.30%  | 
  +0.99%  | 
  4.13%  | 
  +3.82%  | 
    
   
  B-2   | 
  1.06%  | 
  1.78%  | 
  +0.72%  | 
  4.23%  | 
  +3.17%  | 
    
   |