Antifouling briarane type diterpenoids from South China Sea gorgonians Dichotella gemmacea

This study was supported by the National Basic Research Program of China (973 Program, Nos. 2010CB833800 and 2011CB915503), the National High Technology Research and Development Program (863 Program, 2012AA092104), Knowledge Innovation Program of Chinese Academy of Science (KSCX2-YW-G-073 and KSCX2-EW-G-12B), and National Natural Science Foundation of China (Nos. 30973679, 20902094, 21172230, 41176148, 21002110).Guangdong Province-CAS Joint Research Program (2011B0 90300023), Guangdong Province Marine and Fishery Special Project for Science and Technology Popularization (A201101F03), the start-up grant from Jiangsu University (11JDG1147).