SMILES: C[C@H]1[C@H]([C@H](C[C@@H](O1)O[C@H]2C[C@@](CC3=C2C(=C4C(=C3O)C(=O)C5=C(C4=O)C(=CC=C5)OC)O)(C(=O)CO)O)[NH3+])O
Description: The molecule is an anthracycline cation that is the conjugate acid of doxorubicin, arising from protonation of the amino group; major species at pH 7.3. It is a conjugate acid of a doxorubicin.