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(24E)-9-[2-(2,5-dimethylpyrrolidin-1-yl)-2-oxoethoxy]-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]fura related products: