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(8E,24E)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-8-{[(3-oxo-3,4-dihydroisoquinolin-2(1H)-yl)amino]methylidene}-1,2,8,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]tri related products: