All
 D03 Heterocyclic Compounds D006571 +
 D03.438 Heterocyclic Compounds, 2-Ring D006574 +
 D03.438.810 Quinolines D011804 +
 D03.438.810.835 Quinolones D015363 +
 D03.438.810.835.322 Fluoroquinolones D024841 +
 D03.438.810.835.055 4-Quinolones D042462 +
 D03.438.810.835.661 PQQ Cofactor D045542