8-(azocane-1-carbonyl)-6-[3-(2-hydroxyethoxy)phenyl]-1,2'-dioxo-3,4-diphenyl-n-(1-phenylethyl)spiro[4,6,8,8a-tetrahydro-3h-pyrrolo[2,1-c][1,4]oxazine-7,3'-indole]-1'-carboxamide
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