Animals 1 Antimalarial 1 Antimalarials 1 Article 1 Disease Models, Animal 1 Dose-Response Relationship, Drug 1 Endophytic 1 Gancidin W In vivo 1 Institute for Cancer Research mouse 1 Malaria 1 Male 1 Mice 1 Mice, Inbred ICR 1 Molecular Conformation 1 Parasitic Sensitivity Tests 1 Piperazines 1 Plasmodium berghei 1 Plasmodium berghei infection 1 Shorea ovalis 1 Streptomyces 1 alanine aminotransferase 1 alanine aminotransferase blood level 1 alkaline phosphatase 1 alkaline phosphatase blood level 1 animal 1 animal experiment 1 animal model 1 animal tissue 1 antimalarial activity 1