• Urs-12-en-27-oic acid,3-hydroxy-28-[[(2Z)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]-, (3b)- (9CI)
• 165171-15-3
• C39H54 O6
• 0
• .

• Urea,N-(cyclohexylmethyl)-N'-(2,6-diethylphenyl)-N-(4-phenylcyclohexyl)-, trans-(9CI)
• 145410-51-1
• C30H42 N2 O
• 0
• .

• Urea,N-hydroxy-N'-methyl-N-phenyl-
• 6263-38-3
• C8H10 N2 O2
• 0
• .

• Urea,N,N'-bis[(3-fluorophenyl)(4-methylphenyl)methyl]-
• 160807-90-9
• C29H26 F2 N2 O
• 456.5263
• .

• Uridine 5'-(trihydrogendiphosphate), P'-(3-bromo-2-oxopropyl) ester (9CI)
• 125303-05-1
• C12H17 Br N2 O13 P2
• 0
• .

• Urea,N,N,N'-tris(trimethylsilyl)-N'-[(trimethylsilyl)oxy]-
• 64521-18-2
• C13H36 N2 O2 Si4
• 0
• .

• Urea,N-(1-methylethyl)-N-nitroso-
• 16830-14-1
• C4H9 N3 O2
• 131.16
• .

• Uridine,2',5'-dideoxy-5'-isocyano- (9CI)
• 132125-31-6
• C10H11 N3 O4
• 0
• .

• Urea,N-(2-chloroethyl)-N'-(4-hydroxyphenyl)-
• 102433-51-2
• C9H11 Cl N2 O2
• 214.6488
• .

• Uridine,4'-C-azido-2'-deoxy-
• 130108-75-7
• C9H11 N5 O5
• 269.2141
• .

• Uridine,2'-deoxy-2'-fluoro-5-(2-iodo-1-methoxyethyl)-, (S)- (9CI)
• 123881-96-9
• C12H16 F I N2 O6
• 430.1681
• .

• Urs-12-en-28-oic acid,3,5,6,23-tetrahydroxy-, (3a,4b,6b)- (9CI)
• 22882-19-5
• C30H48 O6
• .

• Uridine 5'-(trihydrogendiphosphate), P'-b-L-arabinopyranosylester
• 15839-78-8
• C14H22 N2 O16 P2
• 0
• .

• Urea,N-[4-[3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]phenyl]-N'-ethyl-
• 38649-69-3
• C16H27 N3 O3
• 0
• .

• Urea,N,N-dimethyl-N'-[4-methyl-6-(trichloromethyl)-1,3,5-triazin-2-yl]-
• 30804-91-2
• C8H10 Cl3 N5 O
• 298.5569
• .

• Uridine,2'-deoxy-5-hydroxy- (9CI)
• 5168-36-5
• C9H12 N2 O6
• 244.2
• .

• Uraniumoxide sulfide (UOS) (7CI,8CI,9CI)
• 22201-28-1
• OS U
• 286.0933
• .

• Urea,N-[4,7-dimethoxy-6-[2-(1-pyrrolidinyl)butoxy]-5-benzofuranyl]-N'-methyl-
• 102433-27-2
• C20H29 N3 O5
• .

• Urea,N-(4,6-dimethyl-2-pyrimidinyl)-N'-(4-iodophenyl)-
• 16018-70-5
• C13H13 I N4 O
• 368.173
• .

• Urea,N-(4-chlorophenyl)-N'-[4-[(7-chloro-4-quinolinyl)amino]phenyl]-
• 130292-77-2
• C22H16 Cl2 N4 O
• 423.2946
• .

• Uranium boride (UB4),(T-4)-
• 12007-84-0
• B4U
• 234-520-6
• 281.27291
• .

• Undecanoic acid,potassium salt (1:1)
• 62916-82-9
• C11H22 O2 . K
• 263-757-8
• 224.38154
• .

• Urea,N-(3-hydroxypropyl)-
• 16517-53-6
• C4H10 N2 O2
• 118.1344
• .

• Urea,N-(4-chloro-2-methylphenyl)-N'-phenyl-
• 13142-67-1
• C14H13 Cl N2 O
• 260.7188
• .

• Uracil, 3-b-D-ribofuranosyl-,2',3',5'-triacetate (8CI)
• 29031-50-3
• C15H18 N2 O9
• 370.3114
• .

• Uridine 5'-(trihydrogendiphosphate), P'-a-D-glucopyranosylester, sodium salt (9CI)
• 14656-80-5
• C15H24 N2 O17 P2 . x Na
• 238-704-7
• 588.283612
• .

• Uridine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-,3'-(4-nitrobenzeneethanesulfonate) (9CI)
• 114522-13-3
• C46H44 N4 O14 S
• 0
• .

• Undecane, 5-bromo-
• 5447-45-0
• C11H23 Br
• 0
• .

• Unite (9CI)
• 83653-35-4
• 0
• .

• Urea,N-(4-chlorophenyl)-N'-9,12-octadecadien-1-yl-
• 6964-83-6
• C25H39 Cl N2 O
• 419.043
• .

• Uridine, 2',3'-dideoxy-
• 5983-09-5
• C9H12 N2 O4
• 212.2
• .

• Uridine,3'-cyano-3'-deoxy- (9CI)
• 121123-90-8
• C10H11 N3 O5
• 253.2114
• .

• Urea,N,N''-1,6-hexanediylbis[N-nitroso- (9CI)
• 27640-22-8
• C8H16 N6 O4
• 0
• .

• Urea,N-(2-phenylethyl)-N'-2-thiazolyl-
• 167683-11-6
• C12H13 N3 O S
• 247.3161
• .

• Undecanoic acid,11-(acetylthio)-
• 6974-31-8
• C13H24 O3 S
• 260.3929
• .

• Urea,N'-(4-chlorophenyl)-N-dodecyl-N-methoxy-
• 1576-27-8
• C20H33 Cl N2 O2
• 368.9412
• .

• Ursan-28-oic acid,3-(acetyloxy)-20-hydroxy-, d-lactone, (3b,19a)- (9CI)
• 114298-33-8
• C32H50 O4
• .

• Urea,N-(2-chloro-6-methylphenyl)-N'-(4-pyridinylmethyl)-
• 124441-49-2
• C14H14 Cl N3 O
• 0
• .

• Urea,N-(2-bromoethyl)-N'-[(4-chloro-1-naphthalenyl)methyl]-
• 102434-21-9
• C14H14 Br Cl N2 O
• 0
• .

• Urs-12-en-28-oic acid,3,25-epoxy-3-methoxy-22-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-, (3b,22b)- (9CI)
• 172175-33-6
• C36H54 O6
• .

• Urea,N-[bis(phenylamino)phosphinyl]-N'-(4-bromophenyl)-
• 16332-95-9
• C19H18 Br N4 O2 P
• 445.2496
• .

• Uronium sulphamate
• 93966-59-7
• CH₇N₃O₄S
• 301-011-6
• 157.14898
• .

• Urea,N-[2,6-bis(1-methylethyl)phenyl]-N'-[[1-[4-(dimethylamino)phenyl]cyclopentyl]methyl]-
• 133825-80-6
• C27H39 N3 O
• 0
• .

• Urea,N-phenyl-N'-[(3R)-2,3,4,5-tetrahydro-2,4-dioxo-1-phenyl-5-(tricyclo[3.3.1.13,7]dec-1-ylmethyl)-1H-1,5-benzodiazepin-3-yl]-
• 167355-22-8
• C33H34 N4 O3
• .

• Uridine,5-(astato-211At)-2'-deoxy- (9CI)
• 63473-09-6
• C9H11 At N2 O5
• 0
• .

• Undecanoic acid,2-propen-1-yl ester
• 17308-90-6
• C14H26 O2
• 241-338-0
• 226.35504
• .

• Urea,N,N''-(4-methyl-1,3-phenylene)bis- (9CI)
• 10097-06-0
• C9H12 N4 O2
• .

• Uridine,2'-deoxy-2'-fluoro-5-(1-hydroxy-2-iodoethyl)-, (S)- (9CI)
• 123881-90-3
• C11H14 F I N2 O6
• 416.1415
• .

• Uridine,5-bromo-2'-deoxy-, 5'-[hydrogen (carboxymethyl)phosphonate] (9CI)
• 107811-78-9
• C11H14 Br N2 O9 P
• 429.1146
• .

• Urea,N-methyl-N'-(2-methyl-2-propen-1-yl)-
• 63978-50-7
• C6H12 N2 O
• 144.2379
• .