title: A new 1,4-diazepine from South China Sea marine sponge Callyspongia species.
authors.affiliation: Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China. huang_riming@hotmail.com
authors.forename: Ri-Ming
authors.initials: RM
authors.lastname: Huang
authors.forename: Wei
authors.initials: W
authors.lastname: Ma
authors.forename: Jun-De
authors.initials: JD
authors.lastname: Dong
authors.forename: Xue-Feng
authors.initials: XF
authors.lastname: Zhou
authors.forename: Tunhai
authors.initials: T
authors.lastname: Xu
authors.forename: Kyung Jin
authors.initials: KJ
authors.lastname: Lee
authors.forename: Xianwen
authors.initials: X
authors.lastname: Yang
authors.forename: Shi-Hai
authors.initials: SH
authors.lastname: Xu
authors.forename: Yonghong
authors.initials: Y
authors.lastname: Liu