| 143986-30-5 | uralenneoside | C12H14 O8 |
| 38965-81-0 | Unedoside |
| 16904-30-6 | USAF LA-10 | C8H12 N2 . 2 Cl H |
| 21654-37-5 | UDP-N-acetylglucosaminuronic acid | C17H25 N3 O18 P2 |
| 115365-27-0 | Uridine,5-(2-chloroethyl)-2'-deoxy-, 5'-[hydrogen (carboxymethyl)phosphonate] (9CI) | C13H18 Cl N2 O9 P |
| 75746-40-6 | UM 301 | C14H23 I N O2 . I |
| 149725-21-3 | Urs-11-en-28-oic acid,13-hydroxy-3-[[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]-, g-lactone, (3b)- (9CI) | C39H52 O5 |
| 160776-87-4 | Urea,N-[(5-chloro-2-hydroxyphenyl)phenylmethyl]- | C14H13 Cl N2 O2 |
| 34365-21-4 | Urea, N-2-benzothiazolyl-N,N-dimethyl- (9CI) | C10H11 N3 O S |
| 116316-70-2 | urorost | C7H6O6S•C6H12N4 |
| 27640-20-6 | Urea,N,N''-1,4-butanediylbis[N-nitroso- (9CI) | C6H12 N6 O4 |
| 115365-26-9 | Uridine,5-(2-chloroethyl)-2'-deoxy-, 5'-[hydrogen[2-(1,1-dimethylethoxy)-2-oxoethyl]phosphonate] (9CI) | C17H26 Cl N2 O9 P |
| 38014-56-1 | Urea, 1-ethyl-3-propyl- | C6H14 N2 O |
| 148411-94-3 | unkempt protein |
| 149091-03-2 | UDP-2-fluoro-2-deoxyglucuronic acid | C15H21 F N2 O17 P2 |
| 12007-36-2 | uranium diboride | B2U |
| 68039-58-7 | Urea, formaldehyde, dextrose resin | (C6H12O6.CH4N2O.CH2O)x |
| 68929-06-6 | UROPORPHYRIN I DIHYDROCHLORIDE | C40H38 N4 O16 . 2 Cl H |
| 119059-81-3 | ursodeoxycholylcysteic acid | C29H47 N O7 S |
| 13826-82-9 | URANIUMNITRATE | HN O3 . 1/4 U |
| 142878-12-4 | U-73343 | C29H42 N2 O3 |
| 56985-40-1 | U-46619 | C21H34O4 |
| 102433-24-9 | Urea, 1-(4,7-dimethoxy-6-(2-(dimethylamino)propoxy)-5-benzofuranyl)-3- methyl-, hydrate (8:1) | C17H25 N3 O5 |
| 172104-04-0 | UVARIGRANOL C | C23H24 O7 |
| 28290-51-9 | Ursan-28-oic acid,3-(acetyloxy)-13-hydroxy-, g-lactone, (3b)-(9CI) | C32H50 O4 |
| 61472-52-4 | Urea, polymer with N-(2-aminoethyl)-1,2-ethanediamine and formaldehyde | C6H19N5O2 |
| 69226-89-7 | Ucon LB-135 | C7H16O2 |
| 4004-57-3 | Uridine 3',5'-cyclic monophosphate | C9H11 N2 O8 P |
| 66871-56-5 | UREA, N-(2,6-DIMETHYLPHENYL)-N'-[IMINO(METHYLAMINO)METHYL]- | C11H16N4O |
| 152340-49-3 | Urs-12-en-28-oic acid,19,23-dihydroxy-3-(sulfooxy)-, 28-b-D-glucopyranosyl ester, monosodium salt, (3b,4a)- (9CI) | C36H58 O13 S . Na |
| 31867-59-1 | undecaprenyl pyrophosphate | C55H92 O7 P2 |
| 5677-55-4 | ubiquinol-10 | C19H28O4 |
| 122537-47-7 | Urs-20-en-28-oic acid,12-hydroxy-3-(4-hydroxyphenoxy)-11-methoxy-, (3b,11a,12a)- (9CI) | C37H54 O6 |
| 69898-35-7 | Urea, polymer with formaldehyde and 1,3,5,7-tetraazatricyclo3.3.1.13,7decane, butylated | C8H18N6O2 |
| 153552-15-9 | Ustilago maydis viral toxin KP4 |
| 25104-55-6 | Urea, polymer with formaldehyde and phenol | C8H12N2O2 |
| 150853-99-9 | uralene | C21H20 O7 |
| 50854-94-9 | undecylbenzenesulphonic acid | C17H28 O3 S |
| 117627-30-2 | Uridine,2'-deoxy-5-ethenyl-, 5'-[hydrogen (carboxymethyl)phosphonate] (9CI) | C13H17 N2 O9 P |
| 125-46-2 | USNIC ACID | C18H16O7 |
| 83657-22-1 | Uniconazole | C15H18ClN3O |
| 5458-77-5 | undec-10-enehydrazide | C11H22 N2 O |
| 106929-06-0 | Uridine,5'-[(bromoacetyl)amino]-2',5'-dideoxy-5-ethyl- (9CI) | C13H18 Br N3 O5 |
| 7277-98-7 | UDP-GALNAC | C17H27N3O17P2 |
| 2082-77-1 | undecanoic anhydride | C22H42 O3 |
| 10580-24-2 | Undecanoic acid butyl ester | C15H30 O2 |
| 137018-55-4 | U-83836E | C30H44N6O2.2HCl |
| 126609-62-9 | Uridine5'-(tetrahydrogen triphosphate), 2',3'-dideoxy-5-ethyl-3'-fluoro- (9CI) | C11H18 F N2 O13 P3 |
| 127840-99-7 | Uridine,2',3'-dideoxy-2',3'-difluoro- (9CI) | C9H10 F2 N2 O4 |
| 13470-22-9 | uranium tetraiodide | UI4 |
| 106220-70-6 | UVI 6950 |
| 158243-18-6 | Ustiloxin D | C23H34 N4 O8 |
| 26763-63-3 | Urea, diphenyl- | C13H12 N2 O |
| 6703-77-1 | Ubichromanol 50 |
| 10003-94-8 | uridine 5'-tetraphosphate | C9H16 N2 O18 P4 |
| 17479-04-8 | UDP-glucosamine | C15H25 N3 O16 P2 |
| 64632-03-7 | Urea,N'-(3-chloro-4-methylphenyl)-N,Ndimethyl-,mixt. with N'-(4-chlorophenyl)-N-methoxy-N-methylurea and 2,4-dichloro-1-(4-nitrophenoxy)- benzene |
| 146787-96-4 | Ursa-12,19(29)-dien-28-oicacid, 2,3-dihydroxy-, b-D-glucopyranosyl ester, (2a,3a)- | C36H56 O9 |
| 16375-64-7 | uridine diphosphate mannose | C15H24 N2 O17 P2 |
| 710-04-3 | Undecanolactone | C11H20O2 |
| 188047-51-0 | Uperin 3.6 |
| 11096-52-9 | UNI-F 523 (8CI,9CI) |
| 13775-07-0 | uranium pentafluoride | F5U |
| 50886-90-3 | UP 546 |
| 32208-45-0 | URSOLIC ACID METHYL ESTER | C31H50O3 |
| 112-37-8 | Undecanoic acid | C11H22O2 |
| 121880-06-6 | Urs-12-en-30-oic acid,22-(acetyloxy)-23-hydroxy-3-oxo-, methyl ester, (4a,22a)- (9CI) | C33H50 O6 |
| 1344-58-7 | URANIUM(VI) OXIDE | UO3 |
| 57515-13-6 | Urea, polymer with cyanoguanidine, ethanedial and formaldehyde | (C2H4N4.C2H2O2.CH4N2O.CH2O)x |
| 167173-85-5 | UK 2A | C26H30 N2 O9 |
| 29534-36-9 | Urea,polymers,polymer with 2-furanmethanol |
| 109511-58-2 | U0126 | C18H16N6S2 |
| 112953-11-4 | UCN-01 | C28H26 N4 O4 |
| 65804-32-2 | Ustinex Special | C20H22Cl3N6NaO4 |
| 220361-25-1 | Ursa-5,12-dien-28-oicacid, 3,19-dihydroxy-, (3b)- (9CI) | C30H46 O4 |
| 95268-62-5 | Upenazime | C14H30 N4 O2 |
| 13040-01-2 | Uridine,2',3'-dideoxy-3'-iodo- (7CI,8CI,9CI) | C9H11 I N2 O4 |
| 9002-13-5 | Urease | Unspecified |
| 115365-24-7 | Uridine,5-(2-chloroethyl)-2'-deoxy-, 5'-(phosphonoacetate) (9CI) | C13H18 Cl N2 O9 P |
| 39369-00-1 | U13R12S2G3 |
| 147816-69-1 | Urs-12-en-28-oic acid,3-[(O-6-deoxy-a-L-mannopyranosyl-(1®2)-O-[b-D-glucopyranosyl-(1®3)]-a-L-arabinopyranosyl)oxy]-, (3b)- (9CI) | C47H76 O16 |
| 176591-49-4 | UROCORTIN (HUMAN) | C204H337 N63 O64 |
| 112693-18-2 | Urs-12-en-28-oic acid,3-hydroxy-2-[[(2Z)-3-(4-hydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-, (2a,3b)- | C39H54 O6 |
| 3232-84-6 | URAZOLE | C2H3N3O2 |
| 12134-48-4 | Uranium fluoride. | FU- |
| 67246-26-8 | uridine phosphate-beta-thiophosphate glucose | C15H24N2O16P2S |
| 165198-40-3 | Urs-12-en-28-oic acid, 3-(b-D-glucopyranosyloxy)-19-hydroxy-,b-D-glucopyranosyl ester, (3b)- (9CI) | C42H68 O14 |
| 3051-84-1 | Uridine, adenylyl-(3'®5')- | C19H24 N7 O12 P |
| 34903-84-9 | Urea, polymer with 1,3-benzenediol and formaldehyde | (C6H6O2.CH4N2O.CH2O)x |
| 8067-14-9 | Ultralan |
| 178268-32-1 | Ursa-12,19-dien-28-oic acid,2,3,23-trihydroxy-,(2R,3â,4R)- |
| 9047-55-6 | urotensin II | C62H84 N14 O17 S2 |
| 119108-20-2 | Urs-12-en-28-oic acid,3-[(4-O-acetyl-a-L-arabinopyranosyl)oxy]-19-hydroxy-,b-D-glucopyranosyl ester, (3b)- (9CI) | C43H68 O14 |
| 13775-06-9 | uranium trifluoride | F3U |
| 131916-89-7 | Urs-12-en-28-oic acid,2,3-dihydroxy-23-[[(2E)-3-(4-hydroxyphenyl)-1-oxo-2-propenyl]oxy]-, (2a,3b,4b)- (9CI) | C39H54 O7 |
| 31218-22-1 | Utilin | C41H52 O17 |
| 58-96-8 | Uridine | C9H12N2O6 |
| 23831-82-5 | Urea,N'-[3-(2,2-dichloro-1,1-difluoroethoxy)phenyl]-N-methoxy-N-methyl- | C11H12 Cl2 F2 N2 O3 |
| 147621-50-9 | Urea,N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-N'-propyl- | C15H21 N3 O2 |
| 464-97-1 | URS-12(13)-ENE | C30H50 |