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6-Amino-7-(tert-butyl-dimethyl-silanyloxy)-8-((Z)-4-{(4R,5S,6S)-6-[(2E,4E,6E)-(R)-10-(tert-butyl-dimethyl-silanyloxy)-8-methoxy-deca-2,4,6-trienyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-pent-3-enyl)-4H-benzo[1,4]thiazin-3-one