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(3R,4R,5S)-3-(2-(1,3-dithian-2-yl)propan-2-yl)-5-((S)-4-methoxybut-3-en-2-yl)-4,7,7,8,8-pentamethyl-1,1,1-triphenyl-2,6-dioxa-1,7-disilanonane
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(1E,3S,5Z,10S,11S,12R,13R)-11-((tert-butyldimethylsilyl)oxy)-2,10,12,14,14-pentamethyl-1-(2-methylthiazol-4-yl)-15-oxo-13-((triphenylsilyl)oxy)pentadeca-1,5-dien-3-yl acetate
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