| 摘要 |
New glycopeptide antibiotic CUC/CSV which has the formula: <IMAGE> wherein R is L-ristosaminyl; R1 is the disaccharide mannosyl-glucosyl; and R2 and R3 are mannosyl, and its salts, particularly the pharmaceutically acceptable salts, are useful new antibiotics are active against gram-positive bacteria and increase feed-efficiency utilization and enhance milk production in ruminants. |
