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