1. A pharmaceutical composition adapted for intravenous administration, the composition comprising one or more antibiotic compounds and a formulating agent, wherein the formulating agent comprises an amino acid selected from the group consisting of arginine, asparagine, aspartic acid, cysteine, glutamine, glutamic acid, histidine, lysine, ornithine, serine, threonine, tryptophan, and tyrosine, and pharmaceutically acceptable salts thereof, and combinations thereof; and where at least one of the one or more antibiotic compounds is of the formula
or a pharmaceutically acceptable salt thereof, wherein:
R10 is hydrogen, acyl or a prodrug moiety;
W is H, F, Cl, Br, I, or OH;
A is CH2, C(O), C(O)O, C(O)NH, S(O)2, S(O)2NH, or C(O)NHS(O)2;
B is C2-C10 alkenylene or C1-C10 alkylene; and
C is hydrogen, hydroxy, acyl, acyloxy, sulfonyl, ureido, or carbamoyl, or alkyl, alkoxy, heteroalkyl, heteroalkoxy, aryl, arylalkyl, heteroaryl, or heteroarylalkyl, each of which is optionally substituted.