A method for inducing an immune response against {TAIL ~ at least one antibiotic resistant enterococcal strain} in a vertebrate, said method comprising administering to said vertebrate {HEAD ~ an immunologically effective amount} of an isolated compound selected from the group consisting of: 
A method for inducing an immune response against { TAIL ~ at least one antibiotic resistant enterococcal strain } in a vertebrate , said method comprising administering to said vertebrate { HEAD ~ an immunologically effective amount } of an isolated compound selected from the group consisting of :
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH