Spectroscopic analysis and cytotoxic activity of quas-sinoid isolated from the seeds of Brucea javanicaon Hela cell - Mangunsong, Sonlimar; Polytechnic of Health, Pharmacy Department Palembang. Jl. Ismail Marzuki No 54341. (0711-352071) (Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia, 2011)