(2S,4R,6R)-4-methyl-6-(2-oxobutyl)-2-piperidinecarboxylic acid

.β.-Alaninamide, cis-4-methyl-1-(4-methyl-1-oxo-2-hexenyl)- L-prolyl-(4S,6S)-6-hydroxy-4-methyl-8-oxo- L-2-aminodecanoyl-threo-3-hydroxy-L-leucyl- 2-methylalanyl-L-leucyl-L-leucyl-2-methylalanyl- 2-methylalanyl-N-[2-(dimethylamino)-1-methylethyl]-, [1[