• Urea, N-[1,3-diphenyl-3-(phenylimino)-1-propenyl]-N'-propyl-
• 90128-35-1
• C₂₅H₂₅N₃O
• .

• Urea,N-(1,1-dimethylethyl)-N'-[1,3-diphenyl-3-(phenylimino)-1-propenyl]-
• 90128-36-2
• C₂₆H₂₇N₃O
• .

• Urea, N'-[1,3-diphenyl-3-(phenylimino)-1-propenyl]-N,N-diethyl-
• 90128-37-3
• C₂₆H₂₇N₃O
• .

• Urea, N'-[1,3-diphenyl-3-(phenylimino)-1-propenyl]-N,N-dipropyl-
• 90128-38-4
• C₂₈H₃₁N₃O
• .

• Urea, N,N-diethyl-N'-[1-methyl-3-phenyl-3-(phenylimino)-1-propenyl]-
• 90128-39-5
• C₂₁H₂₅N₃O
• .

• Urea, N,N-diethyl-N'-[1-phenyl-3-(phenylimino)-1-butenyl]-
• 90128-40-8
• C₂₁H₂₅N₃O
• .

• Urea,N,N-diethyl-N'-[3-[(4-methylphenyl)imino]-1,3-diphenyl-1-propenyl]-
• 90128-41-9
• C₂₇H₂₉N₃O
• .

• Urea,N,N-diethyl-N'-[3-[(4-methoxyphenyl)imino]-1,3-diphenyl-1-propenyl]-
• 90128-42-0
• C₂₇H₂₉N₃O₂
• .

• Urea, N-[1-methyl-3-(phenylimino)-1-butenyl]-N'-propyl-
• 90128-43-1
• C₁₅H₂₁N₃O
• .

• Urea, N,N-diethyl-N'-[1-methyl-3-(phenylimino)-1-butenyl]-
• 90128-44-2
• C₁₆H₂₃N₃O
• .

• Urea, N'-[1-methyl-3-(phenylimino)-1-butenyl]-N,N-dipropyl-
• 90128-45-3
• C₁₈H₂₇N₃O
• .

• Ulex europaeus, ext.
• 90131-76-3
• 290-390-0
• .

• Ulex nanus, ext.
• 90131-77-4
• 290-391-6
• .

• Umbilicus pendulinus, ext.
• 90131-79-6
• 290-393-7
• .

• Umbilicus rupestris, ext.
• 90131-80-9
• 290-394-2
• .

• Urginea indica, ext.
• 90131-81-0
• 290-395-8
• .

• Urtica urens, ext.
• 90131-83-2
• 290-397-9
• .

• Utricularia vulgaris, ext.
• 90131-84-3
• 290-398-4
• .

• Urea, N-(4,5-dihydro-1-methyl-4-oxo-1H-imidazol-2-yl)-N'-octyl-
• 90144-52-8
• C₁₃H₂₄N₄O₂
• .

• Urea, N-(4,5-dihydro-1-methyl-4-oxo-1H-imidazol-2-yl)-N'-nonyl-
• 90144-53-9
• C₁₄H₂₆N₄O₂
• .

• Urea, N-[(2-hydroxy-1-naphthalenyl)phenylmethyl]-N'-methyl-
• 901762-46-7
• C₁₉H₁₈N₂O₂
• .

• Urea, N-(2-chloroethyl)-N'-[2-[(triphenylmethyl)thio]ethyl]-
• 90213-05-1
• C₂₄H₂₅ClN₂OS
• .

• Urea, N'-(2-chloroethyl)-N-(2-mercaptoethyl)-N-nitroso-
• 90213-07-3
• C₅H₁₀ClN₃O₂S
• .

• Urea, N-(hydroxymethyl)-N'-methyl-
• 90228-53-8
• C₃H₈N₂O₂
• .

• Urea, N-hydroxy-N'-(3-methylphenyl)-
• 90271-42-4
• C₈H₁₀N₂O₂
• .

• Urea,N'-(4-hydroxycyclohexyl)-N-[2-(4-hydroxycyclohexyl)ethyl]-N-nitroso-
• 90282-83-0
• C₁₅H₂₇N₃O₄
• .

• Uridine 5'-(tetrahydrogen triphosphate), 2'-acetate
• 90290-55-4
• C₁₁H₁₇N₂O₁₆P₃
• .

• Uridine 5'-(tetrahydrogen triphosphate), 3'-acetate
• 90290-74-7
• C₁₁H₁₇N₂O₁₆P₃
• .

• Uridine 5'-(tetrahydrogen triphosphate), 2',3'-diacetate
• 90290-75-8
• C₁₃H₁₉N₂O₁₇P₃
• .

• Uridine, 5-(2-chloroethyl)-2'-deoxy-, 3',5'-bis(4-methylbenzoate)
• 90301-69-2
• C₂₇H₂₇ClN₂O₇
• .

• Undecanoic acid, 2-methylundecyl ester
• 90314-18-4
• C₂₃H₄₆O₂
• .

• Urea, N,N'',N''''-(ethenylsilylidyne)tris-
• 90332-39-1
• C₅H₁₂N₆O₃Si
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-dipentanoate
• 90335-80-1
• C₁₉H₂₆BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(2-methylpropanoate)
• 90335-81-2
• C₁₇H₂₂BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(2-methylbutanoate)
• 90335-82-3
• C₁₉H₂₆BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3,5'-didodecanoate
• 90335-83-4
• C₃₃H₅₄BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-dihexadecanoate
• 90335-84-5
• C₄₁H₇₀BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(cyclohexanepropanoate)
• 90335-85-6
• C₂₇H₃₈BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(bromoacetate)
• 90335-86-7
• C₁₃H₁₂Br₃FN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(2-methyl-2-propenoate)
• 90335-87-8
• C₁₇H₁₈BrFN₂O₇
• .

• Uridine, 2'-bromo-2'-deoxy-5-fluoro-, 3',5'-bis(2-methylbenzoate)
• 90335-88-9
• C₂₅H₂₂BrFN₂O₇
• .

• Urea, dichloromethyl-
• 90454-24-3
• C₂H₄Cl₂N₂O
• .

• Urea, N-(2,3-dichlorophenyl)-N'-methyl-
• 90532-31-3
• C₈H₈Cl₂N₂O
• .

• Urea, N-(4-cyanophenyl)-N'-methyl-
• 90564-87-7
• C₉H₉N₃O
• .

• Urea, N,N'-bis(hydrogenated tallow alkyl) derivs.
• 90583-95-2
• 292-300-5
• .

• Urea, reaction products with ammonium chloride, N,N-diethylbenzenamine, N,N-dimethylbenzenamine, formaldehyde and sulfur
• 90583-96-3
• 292-301-0
• .

• Urea, reaction products with cyanoguanidine and formaldehyde, ethers with d-glucose and methanol
• 90583-97-4
• 292-302-6
• .

• Urea, reaction products with diethanolamine
• 90583-98-5
• 292-303-1
• .

• Urea, reaction products with ethanolamine, formaldehyde and glyoxal
• 90583-99-6
• 292-304-7
• .

• Urea, reaction products with formaldehyde and 2-methylpropanal
• 90584-00-2
• 292-305-2
• .