<unk> s are a class of chemotherapeutic agents based upon samine and tetra-hydro-naphthacene-dione. These compounds are used to treat a wide range of cancers, including (but not limited to) leukemias, lymphomas, and breast, uterine, ovarian, and lung cancers.
Anthracycline
Tetracycline 
Minocycline
Quinolone
Metacycline
Neosporin
Chloramphenicol 
Penicillin