STREPTOGRAMIN DERIVATIVES, PREPARATION METHOD AND COMPOSITIONS CONTAINING SAME

摘要

Group B streptogramin derivatives of general formula (I): wherein Ra, Rb, Rc, Rd, R₁, R₂ 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.