19,20-环氧细胞松弛素D是来自Gen虫属菌种| MST-FP1762的细胞松弛素复合物的主要成分。一些数据表明，环氧化物的存在在体外抑制肿瘤细胞生长方面，使代谢产物比细胞松弛素D更具活性。 19,20-Epoxycytochalasin D is a major component of the cytochalasin complex from|Geniculosporium sp.|MST-FP1762. Some data suggests that the presence of the epoxide renders the metabolite more active than cytochalasin D in inhibition of tumor cell growth|in vitro|.