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(6R,7S,8S,9S,10R,11R,12R,13S)-11-(benzyloxy)-13-(tert-butyldimethylsilyloxy)-3,3,6- triethyl-9-(4-methoxybenzyloxy)-8,10,12,18,18-pentamethyl-17,17-diphenyl-4,16-dioxa-3,17-disilanonadecan-7-ol
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(6R,7S,8R,9R,10R,11R,12R,13S)-11-(benzyloxy)-13-(tert-butyldimethylsilyloxy)-3,3,6- triethyl-9-(4-methoxybenzyloxy)-8,10,12,18,18-pentamethyl-17,17-diphenyl-4,16-dioxa-3,17-disilanonadecan-7-yl S-methyl carbonodithioate
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