1. Laboratories of Marine New Drugs, REDONE Seoul, Seoul 08594, Korea
2. Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
3. College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam 57922, Korea
4. College of Pharmacy, Yeungnam University, Gyeongsan-si, Gyeongsangbukdo 38541, Korea
5. Research Institute of Cell Culture, Yeungnam University, Yeungnam, Gyeongsangbukdo 38531, Republic of Korea
6. College of Pharmacy, Ewha Womans University, Seoul 03760, Korea
7. Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California−San Diego, La Jolla, California 92093-0204, United States