1. Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, People’s Republic of China
2. Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, People’s Republic of China
3. Syngenta Jealott’s Hill International Research Centre, Bracknell, Berkshire RG42 6EY, United Kingdom