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

[4S,3(2S,3S)]-4-benzyl-3-(3-hydroxy-2,4,6,8,8-pentamethyl-4,6-nonadienoyl)-2-oxazolidinone

(1S,2R)-2-(N-benzyl-N-mesitylenesulfonyl)amino-1-phenyl-1-propyl(2S,3S,4E,6E)-3-triethylsiloxy-2,4,6,8,8-pentamethyl-4,6-nonadienoate

(1R,2S)-2-(N-benzyl-N-mesitylenesulfonyl)amino-1-phenyl-1-propyl(2R,3R,4E,6E)-3-triethylsiloxy-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