Patent ID: 7232799

Claim:
A pharmaceutical composition comprising at least one group A streptogramin compound of formula (I) or a salt thereof: wherein: R 1 is chosen from alkyl groups, alkenyl groups, alkynyl groups, monofluoro substituted alkyl groups, monofluoro substituted alkenyl groups, monofluoro substituted alkynyl groups, polyfluoro substituted alkyl groups, polyfluoro substituted alkenyl groups, polyfluoro substituted alkynyl groups, C 3 –C 6 cycloalkyl groups, a phenylmethyl group, and heterocyclylmethyl groups, wherein said heterocyclyl portion is aromatic, R 2 is chosen from a hydrogen atom, a methyl group, and an ethyl group, the bond is a single bond (27R stereochemistry) or a double bond, unless otherwise stated, said alkyl groups are chosen from straight and branched C 1 –C 6 alkyl groups, unless otherwise stated, said alkenyl groups are chosen from straight and branched C 3 –C 6 alkenyl groups, and unless otherwise stated, said alkynyl groups are chosen from straight and branched C 3 –C 6 alkynyl groups, and at least one natural, semi-synthetic or synthetic group B streptogramin compound or salt thereof.