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