159170-92-0 AIDS-029508 AIDS029508 CYCLOPEPTOLIDE Cyclo[D-alanyl-(2S)-2-piperidinecarbonyl-N-methyl-L-valyl-L-valyl-N-methyl-L-.alpha.-aspartyl-N-methyl-L-isoleucyl-N-methyl-L-isoleucylglycyl-N-methyl-L-valyl-O-methyl-L-tyrosyl]