| Member | Definition | Role |
|---|
| dehydroluciferin | A member of the class of 1,3-thiazolemonocarboxylic acids that is 1,3-thiazole-4-carboxylic acid in which the hydrogen at position 2 has been replaced by a 6-hydroxy-1,3-benzothiazol-2-yl group. | dehydroluciferin |
| febuxostat | A 1,3-thiazolemonocarboxylic acid that is 4-methyl-1,3-thiazole-5-carboxylic acid which is substituted by a 3-cyano-4-(2-methylpropoxy)phenyl group at position 2. It is an orally-active, potent, and selective xanthine oxidase inhibitor used for the treatment of chronic hyperuricaemia in patients with gout. | febuxostat |
| firefly luciferin | A 1,3-thiazolemonocarboxylic acid consisting of 3,5-dihydrothiophene-4-carboxylic acid having a 6-hydroxybenzothiazol-2-yl group at the 2-position. | Photinus luciferin |