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(24E)-5,17,19-trihydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-9-(2-{[3-(methylamino)propyl]carbamimidoyl}hydrazino)-1,6,11-trioxo-1,2-dihydro-6H-2,7-(epoxypentadeca[1,11,13]trienoazeno)naphtho[2, related products: