Lipids
Alcohols
Amides
Aldehydes
Phenols
Flavonoids
Ketones
Carboxylic acids
Hemiacetals | Oxygen heterocycles
Nitrogen heterocycles
Sunscreening agents
Pharmacologic agents
Alkene derivatives
Enols
Oxygen-hydrogen compounds
Organo-oxygen compounds
Hydrates | Heterocyclic compounds with 3 rings
Hydroxylamine
Quaternary ammonium compounds
Atorvastatin
Pterins |