Antibiotics Cyan-416 A, Cyan-416 B, Cyan-416 C, Cyan-416 D, and Cyan-416 E, and ester derivatives of Cyan-416 B
申请人:Wyeth Holdings Corporation
公开号:US20040132812A1
公开(公告)日:2004-07-08
The invention relates to new antibiotics designated Cyan-416A, Cyan 416B, Cyan-416C, Cyan-416D and Cyan-416E to their production by fermentation of Acremonium sp. NRRL 30631 to methods for recovery and concentration from the crude solutions, and to a process for purification and to semisynthetic ethers of Cyan-416B.