• Urea, N-(2-chlorophenyl)-N'-2-pyridinyl-
• 13208-24-7
• C₁₂H₁₀ClN₃O
• .

• Urea, N-(3-chlorophenyl)-N'-2-pyridinyl-
• 13208-35-0
• C₁₂H₁₀ClN₃O
• .

• Urea, N-(4-chlorophenyl)-N'-(phenylmethyl)-
• 13208-51-0
• C₁₄H₁₃ClN₂O
• .

• Urea, N-(4-chlorophenyl)-N'-2-pyridinyl-
• 13208-58-7
• C₁₂H₁₀ClN₃O
• .

• Urea, N-(4-chlorophenyl)-N'-3-pyridinyl-
• 13208-59-8
• C₁₂H₁₀ClN₃O
• .

• Urea, N-(4-chlorophenyl)-N'-4-pyridinyl-
• 13208-60-1
• C₁₂H₁₀ClN₃O
• .

• Uridine,3'-deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-S-phenyl-2'-thio-
• 132343-22-7
• C₃₁H₃₄N₂O₄SSi
• .

• Undecanoic acid, 11-bromo-, lithium salt
• 51568-17-3
• C₁₁H₂₁BrO₂·Li
• .

• Urea, N-(4-chlorophenyl)-N'-(4-nitrophenyl)-
• 13252-25-0
• C₁₃H₁₀ClN₃O₃
• .

• Urea, N-(4-nitrophenyl)-N'-2-pyridinyl-
• 13252-29-4
• C₁₂H₁₀N₄O₃
• .

• Urea, N,N'-bis[3-[bis(2-hydroxyethyl)amino]propyl]-
• 515851-10-2
• C₁₅H₃₄N₄O₅
• .

• Urea, N-(2-chlorophenyl)-N'-(1,2,3,4-tetrahydro-1-naphthalenyl)-
• 515860-48-7
• C₁₇H₁₇ClN₂O
• .

• Urea, N-(4-methylphenyl)-N'-2-pyridinyl-
• 13256-75-2
• C₁₃H₁₃N₃O
• .

• Urea, N-(4-methylphenyl)-N'-3-pyridinyl-
• 13256-76-3
• C₁₃H₁₃N₃O
• .

• Urea, N-(4-methylphenyl)-N'-4-pyridinyl-
• 13256-77-4
• C₁₃H₁₃N₃O
• .

• Urea, N-1-naphthalenyl-N'-propyl-
• 13256-78-5
• C₁₄H₁₆N₂O
• .

• Urea, N-4-morpholinyl-N'-phenyl-
• 13262-39-0
• C₁₁H₁₅N₃O₂
• .

• Urea,N-[3-[4-[2-[(cyclopropylmethyl)propylamino]ethoxy]phenyl]-2,4-dihydro-4-oxoindeno[1,2-c]pyrazol-5-yl]-N'-4-morpholinyl-, trihydrochloride
• 516494-08-9
• C₃₀H₃₆N₆O₄·3ClH
• .

• Urea,N-[2,4-dihydro-4-oxo-3-[4-(phosphonooxy)phenyl]indeno[1,2-c]pyrazol-5-yl]-N'-4-morpholinyl-
• 516494-13-6
• C₂₁H₂₀N₅O₇P
• .

• Urea, N-methyl-N'-2-propenyl-
• 13278-56-3
• C₅H₁₀N₂O
• .

• Urea, N-methyl-N'-(2-methylphenyl)-
• 13278-63-2
• C₉H₁₂N₂O
• .

• Urea, N-(2-methylphenyl)-N'-4-pyridinyl-
• 13289-27-5
• C₁₃H₁₃N₃O
• .

• Urea, N-(2-nitrophenyl)-N'-(3-nitrophenyl)-
• 13289-29-7
• C₁₃H₁₀N₄O₅
• .

• Urea, N-(4-chlorophenyl)-N'-1,2,3-thiadiazol-5-yl-
• 51707-56-3
• C₉H₇ClN₄OS
• .

• Urea, N-cyclohexyl-N'-1,2,3-thiadiazol-5-yl-
• 51707-57-4
• C₉H₁₄N₄OS
• .

• Urea, N-(3-chlorophenyl)-N'-1,2,3-thiadiazol-5-yl-
• 51707-58-5
• C₉H₇ClN₄OS
• .

• Urea, N-(4-methylphenyl)-N'-1,2,3-thiadiazol-5-yl-
• 51707-59-6
• C₁₀H₁₀N₄OS
• .

• Urea, N-(3-methylphenyl)-N'-1,2,3-thiadiazol-5-yl-
• 51707-60-9
• C₁₀H₁₀N₄OS
• .

• Urea, N-(3,4-dichlorophenyl)-N'-1,2,3-thiadiazol-5-yl-
• 51707-61-0
• C₉H₆Cl₂N₄OS
• .

• Urea, N-methyl-N'-1,2,3-thiadiazol-5-yl-
• 51707-62-1
• C₄H₆N₄OS
• .

• Urea, [(4-hydroxyphenyl)methyl]-
• 51749-20-3
• C₈H₁₀N₂O₂
• .

• Urea, [(4-hydroxy-3-methoxyphenyl)methyl]-
• 51749-22-5
• C₉H₁₂N₂O₃
• .

• Undecanoic acid, 11-[[[(phenylmethyl)amino]carbonyl]amino]-
• 133318-34-0
• C₁₉H₃₀N₂O₃
• .

• Urea, N-[(1Z)-2-amino-1,2-dicyanoethenyl]-N'-phenyl-
• 51802-29-0
• C₁₁H₉N₅O
• .

• Uridine, 2'-deoxy-5-(1-ethoxy-2-iodoethyl)-, (R)-
• 133787-31-2
• C₁₃H₁₉IN₂O₆
• .

• Uridine, 2',3'-dideoxy-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-oxo-
• 134100-06-4
• C₁₅H₂₄N₂O₅Si
• .

• Urea, N-ethyl-N'-methyl-N-[4-(1-pyrrolidinyl)-2-butynyl]-, ethanedioate(1:1)
• 134170-53-9
• C₁₂H₂₁N₃O·C₂H₂O₄
• .

• Uridine, 2'-deoxy-2'-[(trifluoroacetyl)amino]-
• 51989-21-0
• C₁₁H₁₂F₃N₃O₆
• .

• ULTRAMARINES
• 12703-66-1
• .

• Uridine, 2',3'-O-(1-methylethylidene)-5-[(phenylthio)methyl]-
• 111476-31-4
• C₁₉H₂₂N₂O₆S
• .

• Uridine,5'-deoxy-5'-iodo-2',3'-O-(1-methylethylidene)-5-[(phenylthio)methyl]-
• 111476-32-5
• C₁₉H₂₁IN₂O₅S
• .

• Uridine, 5-chloro-2',5'-dideoxy-5'-iodo-
• 111476-39-2
• C₉H₁₀ClIN₂O₄
• .

• Uranium, compd. with zirconium (1:2)
• 12166-76-6
• UZr₂
• .

• Urea, N-(2-cyanophenyl)-N'-2-propenyl-
• 122372-27-4
• C₁₁H₁₁N₃O
• .

• Urea, [(3-amino-4-oxo-2-azetidinyl)methyl]-, cis-
• 122645-58-3
• C₅H₁₀N₄O₂
• .

• Urea,N-(2,2-dimethoxyethyl)-N-methyl-N'-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-
• 50427-66-2
• C₉H₁₃F₃N₄O₃S
• .

• Urea, N-[6-[[(ethylamino)carbonyl]amino]-2,4-hexadiynyl]-N'-propyl-
• 505026-56-2
• C₁₃H₂₀N₄O₂
• .

• Urea, (2-methylphenyl)(1-methyl-2-pyrrolidinylidene)-
• 50528-54-6
• C₁₃H₁₇N₃O
• .

• Urea, (3,4-dimethoxyphenyl)(1-methyl-2-pyrrolidinylidene)-
• 50528-90-0
• C₁₄H₁₉N₃O₃
• .

• Urea, (4-chlorophenyl)(1-methyl-2-pyrrolidinylidene)-
• 50528-91-1
• C₁₂H₁₄ClN₃O
• .