1. Cancer Chemoprevention Research Center Faculty of PharmacyUniversitas Gadjah Mada Jalan Sekip Utara Yogyakarta 55281 Indonesia
2. Department of Pharmacology and Clinical Pharmacy, Faculty of PharmacyUniversitas Gadjah Mada Jalan Sekip Utara Yogyakarta 55281 Indonesia
3. Department of Pharmaceutical Chemistry, Faculty of PharmacyUniversitas Gadjah Mada Jalan Sekip Utara Yogyakarta 55281 Indonesia