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. 2001 Jun;65(2):232–260. doi: 10.1128/MMBR.65.2.232-260.2001

TABLE 2.

Structures of the principal members of the tetracycline class

Chemical name Structure
7-Chlortetracycline graphic file with name mr0210009tp1.jpg
5-Hydroxytetracycline
Tetracycline
6-Demethyl-7-chlortetracycline
2-N-Pyrrolidinomethyltetracycline
2-N-Lysinomethyltetracycline
N-Methylol-7-chlortetracycline graphic file with name mr0210009tp2.jpg
6-Methylene-5-hydroxytetracycline (methacycline)
6-Deoxy-5-hydroxytetracycline (doxycycline)
7-Dimethylamino-6-demethyl-6-deoxytetracycline (minocycline)
9-(N,N-Dimethylglycylamido)-6-demethyl-6-deoxytetracycline
9-(N,N-Dimethylglycylamido)-minocycline
9-(t-Butylglycylamido)-minocycline