Group B streptogramin derivatives of general formula (I):
1
wherein Ra, Rb, Rc, Rd, R
1
, R
2
and Y are as defined in the description, including preparation methods and compositions containing same. Such derivatives are particularly useful as antimicrobial agents, optionally combined with at least one group A streptogramin derivative.
通式(I)的B组
链霉素衍
生物:其中Ra、Rb、Rc、Rd、R1、R2和Y如描述中所定义,包括制备方法和含有同样衍
生物的组合物。这种衍
生物特别有用作为抗微
生物药物,可选择性地与至少一种A组
链霉素衍
生物组合使用。