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Methanesulfonic acid (Z)-(2S,3S,4R,5R,6S,10S,11R,12S)-5,11-bis-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2,4,6,10,12-pentamethyl-13-trityloxy-tridec-8-enyl ester
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(3R,4S,5S,6S)-4-(tert-Butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-[(3Z,8Z)-(2S,5S,6R,7S,11S,12R,13R,14S)-2,6,12-tris-(tert-butyl-dimethyl-silanyloxy)-14-hydroxy-5,7,11,13,15-pentamethyl-hexadeca-3,8-dienyl]-tetrahydro-pyran-2-one
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(3R,4S,5S,6S)-4-(tert-Butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-[(3Z,8Z)-(2S,5S,6R,7S,11S,12R,13R,14S)-2,6,12-tris-(tert-butyl-dimethyl-silanyloxy)-14-(4-methoxy-benzyloxy)-5,7,11,13,15-pentamethyl-hexadeca-3,8-dienyl]-tetrahydro-pyran-2-one
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4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-[2,6,12-tris-(tert-butyl-dimethyl-silanyloxy)-14-(4-methoxy-benzyloxy)-5,7,11,13,15-pentamethyl-nonadeca-3,8,16,18-tetraenyl]-tetrahydro-pyran-2-one