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  • ((6Z,8E)-(3S,11S,15R,17S)-9,11,17-trimethyl-3-((E)-2-methyl-3-oxopropenyl)-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl)carbamic acid 2,2,2-trichloro-1,1-dimethyl ester

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