Streptogramin derivatives, their preparation and compositions which contain them

摘要

Group A streptogramin derivatives of formula (I) and salts thereof:Group A streptogramin derivatives of formula (II) and salts thereof:and Group A streptogramin derivatives of formula (III) and salts thereof:as well as processes for preparing such streptogramins, and pharmaceutical compositions comprising such streptogramins, alone or combined with at least one group B streptogramin derivative.