1. ICH guideline Q3A(R2). Impurities in new drug substances,2006
2. ICH guideline Q3B(R2). Impurities in new drug product,2006
3. ICH guideline Q1B photostability testing of new active substances and medicinal products,1998
4. ICH guideline Q 6 A, specifications: test procedures and acceptance criteria for new drug substances and new drug products,2000
5. ICH guideline Q 2 (R1) validation of analytical procedures: Text and methodology,1995