methyl (2S,3S,4E,6E)-3-hydroxy-2,4,6,8,8-pentamethyl-4,6-nonadienoate

(6E,8E)-(4R,5S)-5-(2-{(S)-2-[((S)-2-Allyloxycarbonylamino-propionyl)-methyl-amino]-3-methyl-butyrylamino}-acetoxy)-4,6,8,10,10-pentamethyl-3-methylene-undeca-6,8-dienoic acid allyl ester