Look for:
Paulsen MH, Ausbacher D, Bayer A, Engqvist M, Hansen T, Haug T, Anderssen T, Anderssen JH, Sollid JUE, Strøm MB. Antimicrobial activity of amphipathic α,α-disubstituted β-amino amide derivatives against ESBL – CARBA producing multi-resistant bacteria; effect of halogenation, lipophilicity and cationic character.
It will be Open Access soon in Eur. J. Med. Chem.!