the spectral assignations of all the main resonances in the 13c nuclear magnetic resonance spectra in dmso-d6 or d2o are presented and reviewed for ten of the principal tetracyclines in therapeutic use : tetracycline , chlortetracycline , 6-demethylchlortetracycline , minocycline , oxytetracycline , methacycline , meclocycline , doxycycline , rolitetracycline and lymecycline .
C0039651
tetracyclines
C0011276
demethylchlortetracycline