(3R,4R)-3-Hydroxy-N-methyl-5-[(E)-1-propenyl]cyclo(L-Leu-L-Abu-Sar-N-methyl-L-Leu-L-Val-N-methyl-L-Leu-L-Ala-D-Ala-N-methyl-L-Leu-N-methyl-L-Leu-L-Val-)