Tripeptide LY301621 and its diastereomers as methicillin potentiators against methicillin resistant Staphylococcus aureus. - Eid, C; Halligan, N; Nicas, T; Mullen, D; Butler, T; Loncharich, R; Paschal, J; Schofield, C; Westwood, N; Cheng, L (1997)