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