1. Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Universitas Islam Bandung, Jl. Tamansari No.1, Tamansari, Kec. Bandung Wetan, Kota Bandung 40116, West Java, Indonesia
2. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia
3. Laboratorium Sentral, Universitas Padjadjaran, Sumedang 45363, Indonesia
4. Centre of Natural Products and Synthesis Studies, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang 45363, Indonesia