(1,1'-Bianthracene)-9,9',10,10'-tetrone, 5,6,7,8-tetrahydro-4,4',5,6,6',7,8-heptahydroxy-2,2'-dimethoxy-7,7'-dimethyl-, (5S-(5alpha,6beta,7beta,8alpha))-;Ap-B 3;
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