129816-38-2 AIDS-029483 AIDS029483 Cyclopeptolide 1 L-Tyrosine, N-[N-[N-[N-[N-[N-[N-[N-[[1-(2-hydroxy-1-oxopropyl)-L-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-, .delta1-lactone, (R)- SDZ 90-215