申请人:DUKE UNIVERSITY
公开号:US20160221934A1
公开(公告)日:2016-08-04
Disclosed are compounds of formulae: (I), and (II) and pharmaceutically acceptable salts thereof, wherein the variables, R, R
1
, R
2
, R
3
, R
21
, R
22
, R
23
, R
34
, R
37
, R
33
, R
39
, D, Q, Y, X, X
1
, X
3
, and X
4
are defined herein. These compounds are useful for treating Gram-negative bacteria infections.