The present invention provides {HEAD ~ methods} of screening for {TAIL ~ a nucleoside analog} that is incorporated and extended at high efficiency by HIV RT and causes incorrect base pairing 
of screening for
The present invention provides { HEAD ~ methods } of screening for { TAIL ~ a nucleoside analog } that is incorporated and extended at high efficiency by HIV RT and causes incorrect base pairing
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH