SMILES: CC1=C2C=CC=C(C2=C(C3=C1C[C@H]4C(=O)C(=C(C(=O)[C@]4(C3=O)O)C(=O)N)[O-])O)O
Description: The molecule is an organic anion that is the conjugate base of 4-dedimethylamino-4-oxoanhydrotetracycline, obtained by deprotonation of the 2-hydroxy group. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 4-de(dimethylamino)-4-oxoanhydrotetracycline.