SMILES: C[NH+](C)[C@H]1[C@@H]2C[C@@H]3CC4=C(C=CC(=C4C(=C3C(=O)[C@@]2(C(=C(C1=O)C(=O)N)[O-])O)O)O)N(C)C
Description: The molecule is a zwitterion obtained by transfer of a proton from the 2-hydroxy group to the 1-amino group of minocycline. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a zwitterion and an a tetracycline zwittterion. It is a conjugate acid of a minocycline(1-). It is a tautomer of a minocycline.