title: Structure elucidation of four new megastigmanes from Sonneratia ovata Backer.
authors.affiliation: Department of Basic Science, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam.
authors.forename: Thi Hoai Thu
authors.initials: TH
authors.lastname: Nguyen
authors.forename: Nguyen
authors.initials: N
authors.lastname: Kim Tuyen Pham
authors.forename: Khanitha
authors.initials: K
authors.lastname: Pudhom
authors.forename: Poul Erik
authors.initials: PE
authors.lastname: Hansen
authors.forename: Kim Phi Phung
authors.initials: KP
authors.lastname: Nguyen