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Mar. Drugs 2013, 11(12), 5087-5088;

Correction: Wu, S.-L., et al. Simplexins P–S, Eunicellin-Based Diterpenes from the Soft Coral Klyxum simplex. Mar. Drugs 2012, 10, 1203–1211
Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Center of General Studies, National Kaohsiung Marine University, Kaohsiung 811, Taiwan
National Museum of Marine Biology & Aquarium, Pingtung 944, Taiwan
Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung 944, Taiwan
Division of Marine Biotechnology, Asia-Pacific Ocean Research Center, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Author to whom correspondence should be addressed.
Received: 17 October 2013 / Accepted: 20 November 2013 / Published: 13 December 2013
We found some errors in our previous published paper [1]. The structure of simplexin Q was found to be the same as klysimplexin C, previously published in Tetrahedron 2009, 65, 7016–7022 [2]. Also, simplexin S and a known compound cladieunicellin G, reported in Chem. Pharm. Bull. 2012, 60, 160–163 [3], have the same structure (see Figure 1). We apologize for any inconvenience caused to the readers by these errors.
Figure 1. Chemical structures of simplexin Q and simplexin S.
Figure 1. Chemical structures of simplexin Q and simplexin S.
Marinedrugs 11 05087 g001


  1. Wu, S.-L.; Su, J.-H.; Huang, C.-Y.; Tai, C.-J.; Sung, P.-J.; Liaw, C.-C.; Sheu, J.-H. Simplexins P–S, eunicellin-based diterpenes from the soft coral Klyxum simplex. Mar. Drugs 2012, 10, 1203–1211. [Google Scholar] [CrossRef]
  2. Chen, B.-W.; Wu, Y.-C.; Chiang, M.Y.; Su, J.-H.; Wang, W.-H.; Fan, T.-Y.; Sheu, J.-H. Eunicellin-based diterpenoids from the cultured soft coral Klyxum simplex. Tetrahedron 2009, 65, 7016–7022. [Google Scholar] [CrossRef]
  3. Chen, Y.-H.; Hwang, T.-L.; Su, Y.-D.; Chang, Y.-C.; Chen, Y.-H.; Hong, P.-H.; Hu, L.-C.; Yen, W.-H.; Hsu, H.-Y.; Huang, S.-J.; et al. New 6-hydroxyeunicellins from a soft coral Cladiella sp. Chem. Pharm. Bull. 2012, 60, 160–163. [Google Scholar] [CrossRef]
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