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(1R,2S,5S,8S,10R,14S,15R,18S,19S,22S)-18-Benzoyloxy-1,2,5,8,15,19-hexamethyl-20-[(5-methyl-2-oxo-1,3-dioxolan-4-yl)methoxy]-13-oxo-21-azahexacyclo[12.10.0.02,11.05,10.015,22.019,22]tetracosa-11,20-diene-8-carboxylic acid


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