Patent ID: 7166594

Claim:
A pharmaceutical composition comprising (1) at least one group A streptogramin compound of formula (I) or a salt thereof, (2) at least one group B streptogramin compound, and optionally (3) at least one pharmaceutically acceptable diluent or adjuvant, wherein formula (I) has the following formula: in which R 1 is chosen from a halogen atom, an azido group, and a thiocyanato group; R 2 is chosen from a hydrogen atom, a methyl group, and an ethyl group; 3 is chosen from a hydrogen atom, an aliphatic ester, a cycloaliphatic ester, an aromatic ester, an araliphatic ester, a heterocyclic ester, and a heterocyclylaliphatic ester, wherein said esters may be substituted or unsubstituted; and the bond --- represents a single bond (stereochemistry 27R) or a double bond.