2',3'-Didehydro-3'-deoxythymidine & [(3S-(3R*,4aR*,8aR*,2'S*,3'S*)]-2-[2'-Hydroxy-3'-phenylthiomethyl-4'-aza-5'-oxo-5'-(2''-methyl-3''-hydroxy-phenyl)pentyl]-decahydroisoquinoline-3-N-t-butylcarboxamide methanesulfonic acid) AIDS-086221 AIDS086221 d4t & Nelfinavir