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16-(9,10-Didehydrophenanthren-2-yl)-5-phenanthren-2-yl-26,27-diphenyl-22,24-dioxaheptacyclo[18.5.2.02,19.04,17.06,15.07,12.021,25]heptacosa-2(19),3,5,7,9,11,13,15,17,26-decaen-23-one


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