1. Centre
de Recherche de Gif, Institut de Chimie des Substances Naturelles (ICSN), CNRS, 1 av de la Terrasse, 91198 Gif-sur-Yvette Cedex, France
2. Institute of Marine Biochemistry of the Vietnam Academy of Sciences and Technology (VAST), 18 Hoang Quoc
Viet Road, 90184 Cau Giay, Hanoi, Vietnam