Any pyridone that is pyridin-4-one or its derivatives by substitution of one of more of the hydrogens.
| Member | Definition | Role |
|---|
| 3,4-dihydroxypyridine | | 3-hydroxypyridin-4(1H)-one; pyridine-3,4-diol |
| 4-hydroxypyridine | The simplest member of the class of pyridin-4-ones, that is 1,4-dihydropyridine in which the hydrogens at position 4 have been replaced by an oxo group. | 4-hydroxypyridine; 4-pyridone |
| cefazedone | A first-generation cephalosporin antibiotic having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and [(3,5-dichloro-4-oxopyridin-1(4H)-yl)acetamido side-groups located at positions 3 and 7 respectively. | cefazedone |
| deferiprone | A member of the class of 4-pyridones that is pyridin-4(1H)-one substituted at positions 1 and 2 by methyl groups and at position 3 by a hydroxy group. A lipid-soluble iron-chelator used for treatment of thalassaemia. | deferiprone |
| mimosine | An L-alpha-amino acid that is propionic acid substituted by an amino group at position 2 and a 3-hydroxy-4-oxopyridin-1(4H)-yl group at position 3 (the 2S-stereoisomer). It a non-protein plant amino acid isolated from Mimosa pudica. | L-mimosine zwitterion; L-mimosine |