Substances starting with U
- (±)-flurbiprofen
- (±)-promethazine
- β-lactulose
- γ-aminobutyric acid
- (−)-selegiline
- ubidecarenone
- ublituximab
- ubrogepant
- udenafil
- ulipristal
- umeclidinium
- umifenovir
- undecylenic acid
- upadacitinib
- uracil mustard
- uranyl nitrate hexahydrate
- urapidil
- urea
- urea c-13
- uric acid
- uridine triacetate
- urofollitropin
- ursadiol
- ursodiol
- ustekinumab