| 64647-55-8 | Urea, 2-hydroxy-1,2,3-propanetricarboxylate | C6H8O7.xCH4N2O |
| 64657-06-3 | Uridine, 5'-O-(carboxymethyl)-5-fluoro- | C11H13FN2O8 |
| 64667-38-5 | Undecanoic acid, 11-amino-, monosodium salt | C11H23NO2.Na |
| 64674-55-1 | Urea, (2R,3R)-2,3-dihydroxybutanedioate | C4H6O6.xCH4N2O |
| 64864-58-0 | Uridine, 2',3'-O-(1-methoxypropylidene)- | C13H18N2O7 |
| 64882-67-3 | Uridine, 3'-deoxy-3'-(nitromethyl)-, 3'-acetate 5'-benzoate | C19H19N3O9 |
| 64899-96-3 | Uranium, (acetonitrile)tetrafluoro- | C2H3F4NU |
| 64935-44-0 | Undecanal, 2-heptyl- | C18H36O |
| 64967-07-3 | Uridine, 2'-deoxy-, 4-hydrazone, 3',5'-dibenzoate | C23H22N4O6 |
| 64967-14-2 | Uridine, 4-S-methyl-4-thio-, 2',3',5'-triacetate | C16H20N2O8S |
| 65030-87-7 | Urea, N,N'-diphenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-, (2E)-2-butenedioate | C26H29N3O.xC4H4O4 |
| 65188-97-8 | Uranium, bis[N-hydroxy-N-(3-methylphenyl)-3-nitrobenzamidato]dioxo-, dihydrate | C28H22N4O10U.2H2O |
| 6520-67-8 | Urea, (2,3-dihydro-1H-inden-1-yl)- | C10H12N2O |
| 65245-18-3 | Urea, N-[5-(2-chloro-1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N'-(2-chloroethyl) - | C9H14Cl2N4OS |
| 65280-80-0 | Uranium, tetrachlorobis[N-(phenylmethylene)benzenamine]- | C26H22Cl4N2U |
| 65372-64-7 | Undecanoic acid, 11-(butyldimethylstannyl)- | C17H36O2Sn |
| 65373-20-8 | Urea, N-[5-(hexylthio)-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl- | C11H20N4OS2 |
| 65411-36-1 | Urea, N-[5-(2-hydroxy-1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl- | C9H16N4O2S |
| 65417-30-3 | Urea, N-phenyl-N'-[2-[[(phenylamino)thioxomethyl]amino]ethyl]- | C16H18N4OS |
| 65439-23-8 | Urea, N-methyl-N'-(3-methyl-4-nitro-5-isothiazolyl)- | C6H8N4O3S |
| 65475-53-8 | Uridine, 3-(2,2-dimethoxyethyl)-2',3'-O-(1-methylethylidene)- | C16H24N2O8 |
| 65553-15-3 | Urea, N'-[4-cyano-3-(ethylthio)-5-isothiazolyl]-N,N-dimethyl- | C9H12N4OS2 |
| 65591-39-1 | Uridine, 2',5-dibromo-2'-deoxy-, 3'-acetate | C11H12Br2N2O6 |
| 65647-49-6 | Urea, N-(2-hydroxyphenyl)-N'-1,2,3-thiadiazol-5-yl- | C9H8N4O2S |
| 65647-50-9 | Urea, N-(3-hydroxyphenyl)-N'-1,2,3-thiadiazol-5-yl- | C9H8N4O2S |
| 65674-62-6 | Uranium(2+), hydroxyoxo- | HO2U |
| 65758-38-5 | Urea, [(2,4-dihydroxyphenyl)methyl]- | C8H10N2O3 |
| 65792-42-9 | Urea, N,N''-1,4-phenylenebis[N'-octadecyl- | C44H82N4O2 |
| 65820-91-9 | Uridine, 6-[(acetyloxy)methyl]-5,6-dihydro-, 2',3',5'-triacetate | C18H24N2O11 |
| 65869-66-1 | Urea, N-(2-hydroxyethyl)-N,N-dimethyl- (9CI) | C5H12N2O2 |
| 65870-84-0 | Uridine, 5'-O-(triphenylmethyl)-, 2',3'-diacetate | C32H30N2O8 |
| 65871-40-1 | Undecenoic acid, 2-(1-aziridinyl)ethyl ester | C15H27NO2 |
| 65926-05-8 | Uridine, 5-acetyl-2',3'-O-(1-methylethylidene)-, 5'-acetate | C16H20N2O8 |
| 65954-92-9 | Uridine 5'-(tetrahydrogen triphosphate), 2'-deoxy-5-(4,5-dihydroxypentyl)- | C14H25N2O16P3 |
| 66006-54-0 | Urea, N,N-dimethyl-N'-1-piperidinyl- | C8H17N3O |
| 66015-20-1 | Urea, N,N'-dimethyl-N-[5-[(2-phenylpropyl)thio]-1,3,4-thiadiazol-2-yl]- | C14H18N4OS2 |
| 66046-31-9 | Urea, N-[5-[[(3-fluorophenyl)methyl]thio]-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl- | C12H13FN4OS2 |
| 66046-33-1 | Urea, N-[5-[[(3-cyanophenyl)methyl]thio]-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl- | C13H13N5OS2 |
| 66046-50-2 | Urea, N-[5-[[(3-chlorophenyl)methyl]thio]-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl- | C12H13ClN4OS2 |
| 66066-98-6 | Urea, (1,2,3,4-tetrahydro-2-oxo-4-pyrimidinyl)- | C5H8N4O2 |
| 66177-41-1 | Urea, N-(6-hydroxy-2-benzothiazolyl)-N-methyl-N'-phenoxy- | C15H13N3O3S |
| 662145-87-1 | Uridine, 2'-O-(2-methoxyethyl)-5-(1-propynyl)-, 3',5'-diacetate | C19H24N2O9 |
| 66241-54-1 | Undecanoic acid, 2-butyl- | C15H30O2 |
| 66247-85-6 | Urea, (1H-imidazol-4-ylmethyl)- | C5H8N4O |
| 66285-92-5 | Urea, N-(1-cyano-1-methylethyl)-N-hydroxy-N'-phenyl- | C11H13N3O2 |
| 66357-07-1 | Urea, N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-N'-methyl- | C12H21N3O2S |
| 66427-27-8 | Undecanoic acid, 3-methyl-5-oxo-, ethyl ester | C14H26O3 |
| 66429-75-2 | Urea, N-(cyanomethyl)-N'-(3,5-dichlorophenyl)-N-(2-methoxyethyl)- | C12H13Cl2N3O2 |
| 664998-06-5 | Uridine, 5'-(acetylamino)-5'-deoxy-3-[(4-methoxyphenyl)methyl]-2',3'-O-(1-methyl ethylidene)- | C22H27N3O7 |
| 66516-98-1 | Uridine, 2',3'-O-(trihydroxyphosphoranylidene)- | C9H13N2O9P |
| 66561-05-5 | Undecanoic acid, 11-[[(2,3-dihydro-1,3-dioxo-1H-isoindol-5-yl)carbonyl]amino]- | C20H26N2O5 |
| 66579-13-3 | Uranium yttrium oxide | O.U.Y |
| 666257-93-8 | Urea, N-(4-cyano-2-thiazolyl)-N'-(3,4-dichlorophenyl)- | C11H6Cl2N4OS |
| 66682-13-1 | Urea, N'-[4-[(2-fluorophenyl)methoxy]phenyl]-N-methoxy-N-methyl- | C16H17FN2O3 |
| 66682-14-2 | Urea, N'-[4-[(4-fluorophenyl)methoxy]phenyl]-N-methoxy-N-methyl- | C16H17FN2O3 |
| 66682-22-2 | Urea, N-methoxy-N-methyl-N'-[4-[(pentafluorophenyl)methoxy]phenyl]- | C16H13F5N2O3 |
| 66736-29-6 | Urea, N,N'-dimethyl-N-[4-(1-methylethyl)phenyl]- | C12H18N2O |
| 667465-41-0 | Uridine, 2'-deoxy-5-[1-[(3-methylphenyl)methyl]-1H-1,2,3-triazol-4-yl]- | C19H21N5O5 |
| 668994-10-3 | Urea, N,N''-1,4-phenylenebis[N'-[3-(triethoxysilyl)propyl]- | C26H50N4O8Si2 |
| 669055-60-1 | Urea, N,N''-1,6-hexanediylbis[N'-(1,1,3,3-tetramethylbutyl)- | C24H50N4O2 |
| 67015-28-5 | Undecanoic acid, 11-hydroxy-, monosilver(1+) salt | C11H22O3.Ag |
| 67216-86-8 | Urea, [1-(1-methylethyl)-1-propylbutyl]- | C11H24N2O |
| 67217-38-3 | Urea, N-(2,3-dihydro-1H-inden-5-yl)-N-hydroxy-N'-methyl- | C11H14N2O2 |
| 672284-99-0 | Urea, N-(2-hydroxyethyl)-N'-(3,7,11,15-tetramethylhexadecyl)- | C23H48N2O2 |
| 67229-95-2 | Urea, N-[4-(6-methyl-2-benzothiazolyl)phenyl]-N'-octyl- | C23H29N3OS |
| 672308-56-4 | Undecanoic acid, 11-[2-ethoxy-4-(4-pyridinylazo)phenoxy]- | C24H33N3O4 |
| 67279-46-3 | Urea, N-(2-acetylphenyl)-N'-methyl- | C10H12N2O2 |
| 67291-55-8 | Urea, N,N-bis[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]- | C29H44N2O3 |
| 67291-56-9 | Urea, N,N'-bis[[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]- | C31H48N2O3 |
| 67304-23-8 | Undecanoic acid, 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-, lithium salt | C11H5F17O2.Li |
| 67309-71-1 | Urea, N-(3-methoxyphenyl)-N-methyl-N'-phenyl- | C15H16N2O2 |
| 673486-12-9 | Uridine, 2'-[[(2S)-2-(acetylamino)-1-oxo-3-phenylpropyl]amino]-2'-deoxy- | C20H24N4O7 |
| 673486-13-0 | Uridine, 2'-[[(2S)-2-(acetylamino)-3-methyl-1-oxobutyl]amino]-2'-deoxy- | C16H24N4O7 |
| 673855-26-0 | Urea, N-[4-(3-butenyl)-6-[(2-nitrophenyl)methoxy]-2-pyrimidinyl]-N'-2-propenyl- | C19H21N5O4 |
| 674292-17-2 | Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-methoxyethyl)-5-methyl -, 3'-(hydrogen phosphonate), compd. with N,N-diethylethanamine (1:1) | C34H39N2O11P.C6H15N |
| 674301-85-0 | Urea, N-[5-chloro-2-(1H-tetrazol-5-yl)phenyl]-N'-cyclohexyl- | C14H17ClN6O |
| 674336-49-3 | Urea, (2-fluoro-5-methoxyphenyl)- | C8H9FN2O2 |
| 67445-62-9 | Urea, [3-chloro-4-[(chlorodifluoromethyl)thio]phenyl]- | C8H6Cl2F2N2OS |
| 674798-38-0 | Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-(2-methoxyethyl)-5-methyl -, 3'-[2-[2-(acetyloxy)phenoxy]ethyl bis(1-methylethyl)phosphoramidite] | C50H62N3O13P |
| 675875-89-5 | Uridine, 2',3'-O-(1-methylethylidene)-, 5'-(2-propenoate) | C15H18N2O7 |
| 676124-39-3 | Urea, N-(2-bromophenyl)-N'-(3-chloro-4-cyano-2-hydroxyphenyl)- | C14H9BrClN3O2 |
| 67616-21-1 | Urea, N,N-dimethyl-N'-(2-phenylethyl)- | C11H16N2O |
| 67616-23-3 | Urea, N'-[2-(4-chlorophenyl)ethyl]-N,N-dimethyl- | C11H15ClN2O |
| 676163-30-7 | Uridine, 5'-amino-5-[(1E)-2-bromoethenyl]-2',3',5'-trideoxy-3'-[(1-oxobutyl)amino] - | C15H21BrN4O4 |
| 676248-50-3 | Undecanoic acid, 11-[[3-methyl-1-oxo-2-[(1-oxododecyl)amino]butyl]amino]- | C28H54N2O4 |
| 676248-56-9 | Undecanoic acid, 11-[[[(1-oxododecyl)amino]phenylacetyl]amino]-, monosodium salt | C31H52N2O4.Na |
| 676371-54-3 | Uridine, 3,4,5,6-tetrahydro-, (4S)- | C9H16N2O6 |
| 676446-95-0 | Urea, N-[1-(2,2-diphenylethyl)-3-pyrrolidinyl]-N'-(2-methyl-4-quinolinyl)- | C29H30N4O |
| 67647-27-2 | Urea, N'-[(3,4-dichlorophenyl)methyl]-N-methoxy-N-methyl- | C10H12Cl2N2O2 |
| 676526-03-7 | Uridine, 3',5'-dideoxy- | C9H12N2O4 |
| 676621-34-4 | Urea, N-[[1-[3-(4-fluorophenyl)propyl]-3-piperidinyl]methyl]-N'-[3-(1-methyl-1H- tetrazol-5-yl)phenyl]- | C24H30FN7O |
| 67759-56-2 | Urea, N'-(3-chloro-4-methylphenyl)-N,N-dipropyl- | C14H21ClN2O |
| 67778-20-5 | Uranium, pentachlorobis(10-methylene-9(10H)-anthracenone)- | C30H20Cl5O2U |
| 6779-21-1 | Urea, N-(diphenylphosphinyl)-N'-(phenylmethyl)- | C20H19N2O2P |
| 6779-25-5 | Urea, N-(diphenylphosphinyl)-N'-phenyl- | C19H17N2O2P |
| 67803-87-6 | Urea, 1H-pyrazol-3-yl- | C4H6N4O |
| 67910-05-8 | Urea, [2-hydroxy-1-(hydroxymethyl)-1-methylethyl]- | C5H12N2O3 |
| 68090-70-0 | Urea, N-methyl-N'-[3-(trifluoromethyl)phenyl]-N,N'-bis(trimethylsilyl)- | C15H25F3N2OSi2 |
| 68184-19-0 | Uridine, 6-cyano- | C10H11N3O6 |
| 68327-67-3 | Urea, N,N'-bis[2-(2-thienyl)ethyl]- | C13H16N2OS2 |