| abstract |
The invention provides a compound of formula I: n n n n n n n n n n or a salt or prodrug thereof, wherein Y, W, Z, Z 1 , Z 2 , Z 3 , Z 4 , and R 1 -R 12 have any of the values described in the specification, as well as compositions comprising a compound of formula I. The compounds are useful as antibacterial agents. |