UTAMI, PRI ISWATI, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Muhammadiyah Purwokerto, Jl. Raya Dukuhwaluh, Kembaran, Purwokerto, Central Java, Indonesia. Post Graduate Program, Faculty of Pharmacy, Gadjah Mada University, Sekip Utara, Yogyakarta, Indonesia, Indonesia