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<2S,3R,4S,5R,7(R*),6(S*)>-N-<7-<5-<7-<(4-bromobenzyloxy)-1,2-dihydro-1-methyl-2-oxo-3-pyridinyl>-6-methyl-7-oxo-1(E),3(E),5(E)-heptatrienyl>tetrahydro-3,4-bis(acetyloxy)-furan-2-yl>-6-methoxy-5,7-dimethyl-2(E),4(E)-heptadienyl>acetamide