1. Department of Chemistry King Fahad University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
2. Center for Integrative Petroleum Research College of Petroleum & Geosciences King Fahad University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
3. Department of Stability and Analysis Development Hospital Pharmacy of the Capital Region Marielundvej 25 2730 Herlev Denmark