[3S-(3alpha,10beta,13E,16beta)]-16-[3(S)-Chloro-2(R)-hydroxy-1(R)-methyl-3-phenylpropyl]-10-(3-chloro-4-methoxybenzyl)-3-isobutyl-6,6-dimethyl-1,4-dioxa-8,11-diazacyclohexadec-13-ene-2,5,9,12-tetraone
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