It is an object of the present invention to provide the new and useful antibiotics which are highly effective in inhibiting {HEAD ~ the growth} of {TAIL ~ various gram negative} and gram positive microorganisms 
It is an object of the present invention to provide the new and useful antibiotics which are highly effective in inhibiting { HEAD ~ the growth } of { TAIL ~ various gram negative } and gram positive microorganisms
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH