• Urea, N'-[2-(dimethylamino)cyclobutyl]-N,N-diethyl-, trans-,2-hydroxy-1,2,3-propanetricarboxylate (1:1)
• 63574-69-6
• C₁₁H₂₃N₃O·C₆H₈O₇
• .

• Urea, N,N-diethyl-N'-methyl-N'-(1-methyl-4-piperidinyl)-
• 63574-78-7
• C₁₂H₂₅N₃O
• .

• Undecanamide, N-(4-bromophenyl)-
• 63579-06-6
• C₁₇H₂₆BrNO
• .

• Urea, tris(2-hydroxyethyl)-
• 97271-72-2
• C₇H₁₆N₂O₄
• .

• Urea, N,N-bis(2-hydroxypropyl)-
• 97271-73-3
• C₇H₁₆N₂O₃
• .

• Urea, N'-(2-hydroxyethyl)-N,N-bis(2-hydroxypropyl)-
• 97271-76-6
• C₉H₂₀N₂O₄
• .

• Ulva lactuca, ext.
• 97281-59-9
• 306-561-0
• .

• Urea, N,N'-bis(hydroxymethyl)-, reaction products with 1,4-butanediol, 2-(2-butoxyethoxy)ethanol and formaldehyde
• 97375-32-1
• 306-689-7
• .

• Urea, N'-(3,4-dichlorophenyl)-N,N-dimethyl-, reaction products with 5-bromo-6-methyl-3-(1-methylpropyl)-2,4(1H,3H)-pyrimidinedione
• 97375-33-2
• 306-690-2
• .

• Undecanenitrile, 2-hydroxy-
• 97474-24-3
• C₁₁H₂₁NO
• .

• Urea, N-(2,6-dichlorophenyl)-N'-4-pyridinyl-
• 97627-17-3
• C₁₂H₉Cl₂N₃O
• .

• Urea, N-(2,6-dimethylphenyl)-N'-4-pyridinyl-
• 97627-20-8
• C₁₄H₁₅N₃O
• .

• Urea, N-(2,6-diethylphenyl)-N'-4-pyridinyl-
• 97627-22-0
• C₁₆H₁₉N₃O
• .

• Urea, N-(2-chloro-6-methylphenyl)-N'-4-pyridinyl-
• 97627-24-2
• C₁₃H₁₂ClN₃O
• .

• Uridine, uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-, ammonium salt
• 97721-75-0
• C₅₄H₆₇N₁₂O₄₆P₅·xH₃N
• 307-721-2
• .

• Uridine, uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-uridylyl-(3'→5')-, ammonium salt
• 97721-76-1
• C₇₂H₈₉N₁₆O₆₂P₇·xH₃N
• 307-722-8
• .

• Undecanoic acid, 3-hydroxy-, (3R)-
• 97961-62-1
• C₁₁H₂₂O₃
• .

• Urea, [2-[[[(3-amino-4-methylphenyl)amino]carbonyl]amino]ethyl]-, N'-[4-[[(C12-20-alkylamino)carbonyl]amino]-3-methylphenyl] derivs.
• 97999-47-8
• 308-445-5
• .

• Urea, (3-chloro-2-methylphenyl)-
• 98490-67-6
• C₈H₉ClN₂O
• .

• Uterus, endometrium, ext.
• 98654-17-2
• 308-851-2
• .

• Urea, N,N''-2,4-hexadiyne-1,6-diylbis[N'-octyl-
• 98786-24-4
• C₂₄H₄₂N₄O₂
• .

• Urea, N,N''-2,4-hexadiyne-1,6-diylbis[N'-dodecyl-
• 98786-25-5
• C₃₂H₅₈N₄O₂
• .

• undecanoic acid, 2-[(2-hydroxyethyl)amino]-
• 99097-95-7
• C₁₃H₂₇NO₃
• 245.3584
• .

• URB447
• 1132922-57-6
• .

• Urea, N-(2-methylphenyl)-N'-[2-[[2-(phosphonothio)ethyl]amino]ethyl]-
• 62220-01-3
• C₁₂H₂₀N₃O₄PS
• .

• Urea, N-(1,1-dimethylethyl)-N'-[6-[[2-(phosphonothio)ethyl]amino]hexyl]-
• 62220-05-7
• C₁₃H₃₀N₃O₄PS
• .

• Urea, N-cyclohexyl-N'-[6-[[2-(phosphonothio)ethyl]amino]hexyl]-
• 62220-06-8
• C₁₅H₃₂N₃O₄PS
• .

• Undecanamide, N,N-dimethyl-
• 6225-09-8
• C₁₃H₂₇NO
• .

• Urea, [6-(methylthio)hexyl]-
• 62580-21-6
• C₈H₁₈N₂OS
• .

• Urea, N-(4-methoxy-2-methylphenyl)-N'-(1-methyl-1-phenylethyl)-
• 62740-17-4
• C₁₈H₂₂N₂O₂
• .

• Urea,N-(4-chlorophenyl)-N'-[cis-4-[(7-chloro-4-quinolinyl)amino]cyclohexyl]-
• 589489-41-8
• C₂₂H₂₂Cl₂N₄O
• .

• Urea, N-methyl-N'-[2-[[(methylamino)carbonyl]oxy]ethyl]-N-nitroso-
• 59045-07-7
• C₆H₁₂N₄O₄
• .

• Urea,N-(3,3-dimethoxypropyl)-N-methyl-N'-(5-methyl-1,3,4-thiadiazol-2-yl)-
• 59066-83-0
• C₁₀H₁₈N₄O₃S
• .

• Urea,N-(3,3-dimethoxypropyl)-N-ethyl-N'-(5-methoxy-1,3,4-thiadiazol-2-yl)-
• 59066-87-4
• C₁₁H₂₀N₄O₄S
• .

• Urea,N-(3,3-dimethoxypropyl)-N'-[5-(methylthio)-1,3,4-thiadiazol-2-yl]-N-propyl-
• 59066-91-0
• C₁₂H₂₂N₄O₃S₂
• .

• Urea,N-(3,3-dimethoxypropyl)-N'-[5-(methylsulfonyl)-1,3,4-thiadiazol-2-yl]-N-2-propenyl-
• 59066-95-4
• C₁₂H₂₀N₄O₅S₂
• .

• Urea,N-(3,3-dimethoxypropyl)-N'-[5-(methylsulfinyl)-1,3,4-thiadiazol-2-yl]-N-2-propynyl-
• 59066-99-8
• C₁₂H₁₈N₄O₄S₂
• .

• Urea,N-(3,3-dimethoxypropyl)-N'-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N-methyl-
• 59067-04-8
• C₁₃H₂₄N₄O₃S
• .

• Urea,N-3-butenyl-N-(3,3-diethoxypropyl)-N'-(5-methoxy-1,3,4-thiadiazol-2-yl)-
• 59067-09-3
• C₁₅H₂₆N₄O₄S
• .

• Urea,N-(3,3-diethoxypropyl)-N-(1,1-dimethyl-2-propynyl)-N'-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-
• 59067-13-9
• C₁₆H₂₃F₃N₄O₃S
• .

• Urea, N-(2-chloro-4-pyridinyl)-N-phenyl-
• 113282-37-4
• C₁₂H₁₀ClN₃O
• .

• Urea, N'-([1,1'-biphenyl]-4-ylmethyl)-N-hydroxy-N-methyl-
• 113485-31-7
• C₁₅H₁₆N₂O₂
• .

• Urea, N-butyl-N'-4-piperidinyl-
• 59184-89-3
• C₁₀H₂₁N₃O
• .

• urea, N-nitro-, hydrobromide (1:1)
• 221183-08-0
• CH₄BrN₃O₃
• 185.9648
• .

• urea, N-nitro-, hydrobromide (2:1)
• 221183-09-1
• C₂H₇BrN₆O₆
• 291.0176
• .

• Undecanoic acid, 11-mercapto-,3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl ester
• 592550-51-1
• C₁₉H₂₅F₁₃O₂S
• .

• Uridine,2',3'-O-(1-methylethylidene)-5'-O-(2-oxido-1,3,2-dioxaphospholan-2-yl)-
• 113824-39-8
• C₁₄H₁₉N₂O₉P
• .

• Uridine, 2'-O-methyl-2-thio-
• 113886-72-9
• C₁₀H₁₄N₂O₅S
• .

• Undecanoic acid, 11-(dichloroamino)-
• 59384-04-2
• C₁₁H₂₁Cl₂NO₂
• .

• Uridine, 5'-deoxy-2',3'-O-(1-methylethylidene)-
• 22314-42-7
• C₁₂H₁₆N₂O₅
• .