[H]C(N)(CCCCNCN=C(O)C1=C(O)C([H])(C2([H])CC3([H])C([H])(C(=O)C4=C(C=CC=C4O)[C@@]3(C)O)C([H])(O)[C@]2(O)C1=O)N(C)(C)=O)C(O)=O