1. Pharmaceutical Analysis and Medicinal Chemistry Department, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, Bandung 45463, West Java, Indonesia
2. Pharmacy Biology Department, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, Bandung 45463, West Java, Indonesia
3. School of Chemistry and Chemical Engineering, Queens University of Belfast, Belfast, BT9 5 AG, UK
4. Drug Development Study Centre, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, Bandung 45463, West Java, Indonesia