However we obtained compound S-D-1 directly from the extract of S. digitatum, so we suggest that the initial compound in L. derpessum might be compound S-D-1.

• 在本论文中化合物S-D-1是由Sarcophyton digitatum提取物的粗流分直接分离得到，据此，我们对文献中的原始化合物提出了新的解释。