129837-06-5 AIDS-029485 AIDS029485 L-Tyrosine, N-[N-[N-[N-[N-[N-[N-[N-[[1-(2-hydroxy-1-oxopropyl)-2-piperidinyl]carbonyl]-N-methyl-L-valyl]-L-valyl]-N-methyl-L-.alpha.-aspartyl]-N-methyl-L-isoleucyl]-N-methyl-L-isoleucyl]glycyl]-N-methyl-L-valyl]-O-methyl-, 4-octyl ester, .delta.1-lactone, [R-(R*,S*)]-