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(2S,8E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-8-{[(4-benzyl-2,5-dimethylpiperazin-1-yl)amino]methylidene}-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-1,2,8,9-tetrahydr related products: