methyl (2S,3R)-3-((N-(tert-butoxycarbonyl)-4-methylphenyl)sulfonamido)-2-methyl-4-oxobutanoate

(4E,6E)-(2S,3S,8S,9S)-9-Methoxy-2,6,8-trimethyl-10-phenyl-3-(toluene-4-sulfonylamino)-deca-4,6-dienoic acid methyl ester

(4E,6E)-(2S,3S,8S,9S)-3-((S)-2-tert-Butoxycarbonylamino-3-methyl-butyrylamino)-9-methoxy-2,6,8-trimethyl-10-phenyl-deca-4,6-dienoic acid pentafluorophenyl ester