U
- U-47109
- U-47700
- U-47931E
- U-48520
- U-48753E
- U-48800
- U-49900
- U-50488
- U-51754
- U-62066
- U-69,593
- U-69593
- Udenafil
- UF-17
- Uldazepam
- UR-144
- UR-144 (5-OH-Pentyl)
- UR-144 Degradant
- UR-144 N-(2-Chloropentyl) analog
- UR-144 N-(3-Chloropentyl) analog
- UR-144 N-(4-Chloropentyl) analog
- UR-144 N-(4-hydroxypentyl) metabolite
- UR-144 N-(5-Chloropentyl) analog
- UR-144 N-(5-Methylhexyl) analog
- UR-144 N-Heptyl Analogue
- UR-144 N-pentanoic acid
- UR-144-M (N-(5-hydroxypentyl) metabolite)
- UR-144-M (N-pentanoic acid metabolite)
- UR-144-N5-Brompentyl
- Urapidil
- URB-447
- URB-597
- URB-754
- UWA-101