Glycol and hydroxyphosphonate {HEAD ~ peptidomimetics} as {TAIL ~ inhibitors} of aspartyl proteases 
as
Glycol and hydroxyphosphonate { HEAD ~ peptidomimetics } as { TAIL ~ inhibitors } of aspartyl proteases
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH