Table 1.

Antibacterial activities of the title compounds in vitro (MIC, μg/mL).

Compd.	S. aureus MSSA-1	S. aureus MRSA-1	S. pneumoniae 943	S. pneumoniae 746	S. pyogenes 447	E. coli 236	E. coli ATCC 25922
G1	2	8	1	2	8	32	128
G2	2	8	2	2	32	32	128
G3	4	8	8	4	32	32	128
G4	8	8	4	8	32	64	256
G5	4	8	4	16	32	64	128
G6	2	4	8	16	64	64	128
G7	8	16	32	32	128	128	256
G8	16	16	16	16	128	256	256
Azi	2	16	4	8	32	256	256
Ery	16	16	8	16	32	256	256

Abbreviations: Azi, azithromycin; Ery, erythromycin.