SMILES: CC1=C2C=CC=C(C2=C(C3=C1C[C@H]4[C@@H](C(=O)C(=C([C@]4(C3=O)O)O)C(=O)N)NC)O)O
Description: The molecule is a member of the class of tetracyclines that is anhydrotetracycline in which one of the methyl groups attached to the nitrogen has been replaced by hydrogen. It is a member of tetracyclines and a tertiary alpha-hydroxy ketone. It is a tautomer of a desmethylanhydrotetracycline zwitterion.