Description  Claims  Drawing  Cited references 

WO2002032900A   [0010] 
US6710054B   [0010] 
US7141580B   [0010] 
US7479564B   [0010] 
US7960407B   [0013] 
WO2012157288A   [0013] 

The Theory and Practice of Industrial Pharmacy   [0049] 
The Pharmacological Basis of Therapeutics   [0050] 
Protective Groups in Organic Synthesis   [0077]