• Urea, N-(2-methoxyphenyl)-N'-2-pyrimidinyl-
• 24386-41-2
• C₁₂H₁₂N₄O₂
• .

• Uridine, 2'-O-(2-methoxyethyl)-5-methyl-, 3'-acetate5'-methanesulfonate
• 607352-94-3
• C₁₆H₂₄N₂O₁₀S
• .

• Uridine, 2-O-ethyl-2'-O-(2-methoxyethyl)-5-methyl-
• 607352-95-4
• C₁₅H₂₄N₂O₇
• .

• Uridine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-ethyl-2'-O-(2-methoxyethyl)-5-methyl-
• 607352-96-5
• C₃₆H₄₂N₂O₉
• .

• Uridine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-methoxyethyl)-5-methyl-2-thio-
• 607352-97-6
• C₃₄H₃₈N₂O₈S
• .

• Uridine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-methoxyethyl)-5-methyl-2-thio-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]
• 607352-98-7
• C₄₃H₅₅N₄O₉PS
• .

• Uridine, 2'-deoxy-2'-fluoro-5-methyl-, 3'-acetate 5'-methanesulfonate
• 607352-99-8
• C₁₃H₁₇FN₂O₈S
• .

• Uridine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2-O-ethyl-2'-fluoro-5-methyl-
• 607353-01-5
• C₃₃H₃₅FN₂O₇
• .

• Urea, N-propyl-N'-[3-(triethoxysilyl)propyl]-
• 119789-80-9
• C₁₃H₃₀N₂O₄Si
• .

• Urea,N-[6-[(4-chlorophenyl)thio]-3-pyridinyl]-N'-[4-[(trifluoromethyl)thio]phenyl]-
• 244126-01-0
• C₁₉H₁₃ClF₃N₃OS₂
• .

• Urea, N-(2-chloroethyl)-N'-nitroso-
• 119876-18-5
• C₃H₆ClN₃O₂
• .

• Uridine, 5-[3-[(trifluoroacetyl)amino]-1-propynyl]-, 2',3',5'-triacetate
• 244285-89-0
• C₂₀H₂₀F₃N₃O₁₀
• .

• Uridine, 5,6-dihydro-5,6-dihydroxy-
• 24514-48-5
• C₉H₁₄N₂O₈
• .

• Uridine, 2'-O-(tetrahydro-2-furanyl)-, 5'-(4-oxopentanoate)
• 120187-94-2
• C₁₈H₂₄N₂O₉
• .

• Undecane, 1-(3-isocyanatopropoxy)-
• 60853-00-1
• C₁₅H₂₉NO₂
• .

• Undecane, 1-[(3-isocyanatopropyl)thio]-
• 60853-06-7
• C₁₅H₂₉NOS
• .

• Urea, N-[2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]-N-phenyl-
• 60869-64-9
• C₁₆H₁₇N₃O₅
• .

• Urea, N,N'-bis[3-(triethylsilyl)propyl]-
• 24599-75-5
• C₁₉H₄₄N₂OSi₂
• .

• Urea, N-(aminoiminomethyl)-N'-[3-(nonylthio)propyl]-
• 60886-28-4
• C₁₄H₃₀N₄OS
• .

• Undecane, 1,11-diiodo-
• 24613-66-9
• C₁₁H₂₂I₂
• .

• Urea, N,N''-(4-methyl-1,3-phenylene)bis[N'-phenyl-
• 60903-54-0
• C₂₁H₂₀N₄O₂
• .

• Urea, N,N'-diphenyl-N,N'-bis(phenylmethyl)-
• 120491-94-3
• C₂₇H₂₄N₂O
• .

• Urea, N,N'-bis(2-chlorophenyl)-N,N'-dimethyl-
• 120491-95-4
• C₁₅H₁₄Cl₂N₂O
• .

• Urea, N,N'-bis(2-chlorophenyl)-N,N'-diethyl-
• 120491-96-5
• C₁₇H₁₈Cl₂N₂O
• .

• Urea, N,N'-diethyl-N,N'-bis(4-methoxyphenyl)-
• 120491-98-7
• C₁₉H₂₄N₂O₃
• .

• Urea,N-[3-[(3,4-dihydro-2H-1-benzothiopyran-8-yl)oxy]-2-hydroxypropyl]-N-(1,1-dimethylethyl)-N'-[1-(1-naphthalenyl)ethyl]-
• 138680-06-5
• C₂₉H₃₆N₂O₃S
• .

• Urea, N-[[(1,1-dimethylethyl)imino]methyl]-N,N'-dimethyl-,monohydrochloride
• 529487-50-1
• C₈H₁₇N₃O·ClH
• .

• Uridine, 3',5'-diazido-2',3',5'-trideoxy-
• 100898-90-6
• C₉H₁₀N₈O₃
• .

• Urea, N,N'-bis(4-cyanophenyl)-
• 100953-84-2
• C₁₅H₁₀N₄O
• .

• Urea, N-(4-acetylphenyl)-N'-(4-chlorophenyl)-
• 101095-67-4
• C₁₅H₁₃ClN₂O₂
• .

• urea - ethanedial (1:1)
• 168255-92-3
• C₃H₆N₂O₃
• 118.0913
• .

• Urea, N-2-benzothiazolyl-N'-formyl-N-methyl-
• 53065-91-1
• C₁₀H₉N₃O₂S
• .

• Uridine, 5'-O-[(4-methoxyphenyl)diphenylmethyl]-5-methyl-,2'-(2,2-dimethylpropanoate) 3'-methanesulfonate
• 140160-07-2
• C₃₆H₄₀N₂O₁₀S
• .

• Urea, N'-[2,6-bis(1-methylethyl)phenyl]-N,N-bis(phenylmethyl)-
• 53099-46-0
• C₂₇H₃₂N₂O
• .

• Urea, N-1-naphthalenyl-N'-(3-pyridinylmethyl)-
• 53102-03-7
• C₁₇H₁₅N₃O
• .

• Urea, N-1-naphthalenyl-N'-(4-pyridinylmethyl)-
• 53102-04-8
• C₁₇H₁₅N₃O
• .

• Urea, N-[2,6-bis(1-methylethyl)phenyl]-N'-(1,1-dimethylethyl)-
• 140411-19-4
• C₁₇H₂₈N₂O
• .

• Urea, N-[4-bromo-2,6-bis(1-methylethyl)phenyl]-N'-(1,1-dimethylethyl)-
• 140411-24-1
• C₁₇H₂₇BrN₂O
• .

• Urea, N-(1,1-dimethylethyl)-N'-[4-iodo-2,6-bis(1-methylethyl)phenyl]-
• 140411-25-2
• C₁₇H₂₇IN₂O
• .

• Urea, (2,2-dicyanoethenyl)-
• 14048-06-7
• C₅H₄N₄O
• .

• Uranium(1+), dioxo[4-(2-pyridinylazo)-1,3-benzenediolato]-
• 53154-75-9
• C₁₁H₈N₃O₄U
• .

• Urea, N,N'-bis(triphenylmethyl)-
• 14078-30-9
• C₃₉H₃₂N₂O
• .

• Urea, N-butyl-N'-(triphenylmethyl)-
• 14078-31-0
• C₂₄H₂₆N₂O
• .

• Urea, N-cyclohexyl-N'-(1,1,3,3-tetramethylbutyl)-
• 101452-64-6
• C₁₅H₃₀N₂O
• .

• Uranium hydroxide
• 53321-74-7
• HO.U
• .

• Uridine, 2-O-ethyl-
• 53337-89-6
• C₁₁H₁₆N₂O₆
• .

• Uridine, 2',3'-dideoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-
• 141270-35-1
• C₂₅H₃₀N₂O₄Si
• .

• Undecanethioic acid, 11-hydroxy-, S-2-pyridinyl ester
• 53379-03-6
• C₁₆H₂₅NO₂S
• .

• Uridine, 2',3'-O-(1-methylethylidene)-5-(1-pyrrolidinylmethyl)-
• 72470-16-7
• C₁₇H₂₅N₃O₆
• .

• Urea, [2-(6-amino-1H-benzimidazol-1-yl)ethyl]-
• 72550-35-7
• C₁₀H₁₃N₅O
• .