| 93803-21-5 | L-Ornithine sulphate | C5H14N2O6S |
| 81786-32-5 | L-Iditol, 1,4:3,6-dianhydro-2-deoxy-2-(1-pyrrolidinyl)-, 5-nitrate, mo nohydrochloride | C10H16 N2 O5 . Cl H |
| 104340-86-5 | leminoprazole | C19H23 N3 O S |
| 25006-32-0 | LEPTOPHOS OXON | C13H10 Br Cl2 O3 P |
| 10226-54-7 | LOMIFYLLINE | C13H18 N4 O3 |
| 13637-76-8 | LEAD(II) PERCHLORATE SOLUTION | ClH O4 . 1/2 Pb |
| 73-78-9 | Lidocaine hydrochloride | C14H22N2O.HCl |
| 74397-12-9 | Limaprost | C22H36 O5 |
| 78527-81-8 | LHRH, N-epsilon-azidobenzoyl-Lys(6)- | C66H87 N21 O14 |
| 113066-18-5 | Lanosta-7,25-dien-18-oicacid, 20-(acetyloxy)-3-[(O-b-D-glucopyranosyl-(1®4)-O-b-D-glucopyranosyl-(1®2)-O-[6-O-sulfo-b-D-glucopyranosyl-(1®4)]-b-D-glucopyranosyl)oxy]-16-hydroxy-, g-lactone, monosodium salt, (3b,16b)- (9CI) | C56H88 O28 S . Na |
| 167875-45-8 | Lanost-8-ene-2,3,21,25-tetrol,21,24-epoxy-, (2a,3b,20S,24R)- (9CI) | C30H50 O5 |
| 37290-70-3 | Lyase,deoxyribonucleate pyrimidine dimer (photosensitive) |
| 147-85-3 | L-Proline | C5H9NO2 |
| 148077-13-8 | lincophenicol | C18H27 N3 O5 |
| 9027-34-3 | Lyase,argininosuccinate |
| 127759-89-1 | Lobucavir | C11H15 N5 O3 |
| 80724-92-1 | lithooxazoline | C28H47NO2 |
| 21498-08-8 | Lofexidine hydrochloride | C11H12 Cl2 N2 O . Cl H |
| 126548-29-6 | liver-specific transcription factor LF-B1 |
| 200053-19-6 | Lahadinine B |
| 41743-56-0 | LUTEONE | C20H18O6 |
| 148073-30-7 | Lead oxide (Pb3O4),mixt. with silicon |
| 82339-36-4 | lysine-iodoacetylmethotrexate | C23H28 I N9 O4 |
| 56560-67-9 | Link | CH3AlMgO6 |
| 7179-49-9 | Lincomycin hydrochloride monohydrate | C18H34N2O6S.HCl.H2O |
| 150351-06-7 | L-Lysine, L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-lysyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-lysyl-L-lysyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-lysyl-L-a-glutamyl-L-a-glutamyl-L-a-glutamyl-L-lysyl- (9CI) | C126H200 N30 O61 |
| 125850-12-6 | leucyl-aspartyl-valine | C15H27 N3 O6 |
| 134-64-5 | LOBELINE SULFATE | C44H56N2O8S |
| 70497-14-2 | LYNGBYATOXIN A | C27H39 N3 O2 |
| 19090-84-7 | LZ-TIB 6 |
| 474-20-4 | Lanostane | C30H54 |
| 123951-78-0 | L-threonyl-L-threonyl-L-asparaginyl-L-tyrosyl-L-threoninamide | C25H39 N7 O10 |
| 18390-55-1 | lithium picrate | C6H3 N3 O7 . Li |
| 60-33-3 | Linoleic acid | C18H32O2 |
| 595-40-4 | L-Isovaline | C5H11NO2 |
| 478-08-0 | LUCIDIN | C15H10 O5 |
| 9013-93-8 | Lecithinase |
| 118231-03-1 | L-Argininamide,L-lysyl-L-tryptophyl-L-cysteinyl-L-phenylalanyl-L-arginyl-L-valyl-L-cysteinyl-L-tyrosyl-L-arginylglycyl-L-isoleucyl-L-cysteinyl-L-tyrosyl-L-arginyl-L-arginyl-L-cysteinyl- | C99H155 N35 O19 S4 |
| 1674-38-0 | LAUROPHENONE | C18H28O |
| 8008-26-2 | LIME OIL |
| 167289-59-0 | L-Argininamide,N5-[[[(2Z)-3,7-dimethyl-2,6-octadienyl]amino]iminomethyl]-N2-methyl-L-ornithyl-N2-methyl-N-[(1R,2R)-1-methyl-2-(sulfooxy)-2-[4-(sulfooxy)-3-[(sulfooxy)methyl]phenyl]ethyl]-(9CI) | C34H59 N9 O14 S3 |
| 642-38-6 | L-QUEBRACHITOL | C7H14 O6 |
| 57142-78-6 | LEAD PHTHALATE, DIBASIC | C8H4 O5 Pb2 |
| 78150-10-4 | L-Glu-Gly-Gly-Gly-L-Asn-L-Arg-Gly-L-Asp-L-Pro-L-Ser-Gly-L-Val-S-[(2E,6E)-3,7,11-Trimethyl-2,6,10-dodecatrien-1-yl]-L-Cys-OH | C60H97N17O20S |
| 5006-97-3 | lithium bicarbonate | CH2 O3 . Li |
| 26786-84-5 | LOMOFUNGIN | C15H10 N2 O6 |
| 86273-18-9 | LENAMPICILLIN | C21H23 N3 O7 S |
| 2791-84-6 | L-Glutamic acid dibenzyl ester 4-toluenesulfonate | C19H21NO4.C7H8O3S |
| 23052-81-5 | L-AP4 | C4H10 N O5 P |
| 65072-36-8 | lithium 2-aminobenzothiazole-6-sulphonate | C7H6 N2 O3 S2 . Li |
| 72-18-4 | L-Valine | C5H11NO2 |
| 37577-07-4 | L-NORPSEUDOEPHEDRINE | C9H13 N O |
| 28003-86-3 | L-lysine mono(1,2,3,6-tetrahydro-2,6-dioxopyrimidine-4-carboxylate) | C11H18N4O6 |
| 2671-68-3 | lanosteryl acetate | C32H52 O2 |
| 17669-60-2 | levanbiose | C12H22 O11 |
| 1302-34-7 | leucite | Al. 2 H2 O3 Si . K |
| 157623-03-5 | leucokinin 2 | C40H50 N12 O8 |
| 127932-90-5 | LHRH, Ac-2-Nal(1)-4-Cl-Phe(2)-Trp(3)-Ser(Rha)(6)-AzGlyNH2(10)- | C74H95 Cl N16 O18 |
| 16996-40-0 | LEAD(II) 2-ETHYLHEXANOATE | C8H16 O2 . x Pb |
| 51-48-9 | L-Thyroxine | C15H11I4NO4 |
| 101559-52-8 | L-Histidine,N-(3-amino-2-hydroxy-5-methylhexyl)-L-valyl-L-isoleucyl-, methyl ester (9CI) | C25H46 N6 O5 |
| 26187-86-0 | lyxo-Hexos-2-ulose(9CI) | C6H10 O6 |
| 72141-57-2 | Losulazine | C27H22 F4 N4 O3 S |
| 60903-69-7 | lanthanum(3+) octanoate | C8H16 O2 . 1/3 La |
| 162006-81-7 | L-glycero-D-galacto-Nonitol,2,6-anhydro-9-O-[(3b,20b)-20-carboxy-11-oxo-30-norolean-12-en-3-yl]-1,7-dideoxy-8-C-[(sulfooxy)methyl]-,tetrakis(hydrogen sulfate), pentasodium salt, (8x)- (9CI) | C40H64 O25 S5 . 6 Na |
| 29428-58-8 | LUCENIN-2 | C27H30 O16 |
| 63610-09-3 | Lodoxamidetromethamine | C11H6ClN3O6.2(C4H11NO3) |
| 476-28-8 | LYCORINE | C16H17 N O4 |
| 76500-08-8 | LHRH, Leu(6)-Leu(N-alpha-Me)(7)-N-Et-ProNH2(9)- | C60H86 N16 O12 |
| 22255-40-9 | LOGANIC ACID | C16H24O10 |
| 153504-81-5 | Licostinel | C8H3 Cl2 N3 O4 |
| 992-21-2 | lymecycline | C29H38 N4 O10 |
| 14857-78-4 | leucyl-glycyl-glycyl-glycine | C12H22 N4 O5 |
| 93221-48-8 | LEVOBETAXOLOL | C18H29 N O3 |
| 139570-70-0 | LHRH, lysine(6)-glutaryl-2-(hydroxymethyl)anthraquinone | C79H98 N18 O18 |
| 74292-94-7 | L-LEUCINE-1-13C | C6H13NO2 |
| 56-87-1 | Lysine | C6H14N2O2 |
| 626-72-2 | L-Homocystine | C8H16N2O4S2 |
| 97653-95-7 | Lucidenic acid D 1 |
| 6244-92-4 | LAUROYL COENZYME A | C33H58N7O17P3S |
| 64919-15-9 | LAURIC ACID 2-CHLOROETHYL ESTER | C14H27 Cl O2 |
| 93-23-2 | LAURYL ISOQUINOLINIUM BROMIDE | C21H32 N . Br |
| 71231-14-6 | LUCIFER YELLOW VS DILITHIUM SALT | C20H14 N2 O10 S3 . 2 Li |
| 142959-76-0 | L-alpha-aspartyl-L-glutaminyl-L-tryptophyl-L-phenylalanyl-N-[(1S)-1-formyl-3-methylbut-3-en-1-yl]glycinamide | C37H46 N8 O9 |
| 57866-49-6 | Lignosulfonic acid, zinc salt |
| 86123-13-9 | LHRH, 1,6-cyclo(Ac-Glu(1)-Phe(2)-Trp(3)-Lys(6))- | C64H88 N16 O14 |
| 74717-51-4 | L-Phenylalanine,N-acetyl-,(1S)-1-[(2S)-1- [(2S)-2-amino-3-methyl-1-oxobutyl]-2- pyrrolidinyl]-2-carboxyethyl ester |
| 15067-28-4 | Lead, isotope of mass214 | Pb |
| 98079-52-8 | Lomefloxacin hydrochloride | C17H20ClF2N3O3 |
| 131889-67-3 | Lisianthioside |
| 141171-80-4 | L-Prolinamide,N2-(2-quinolinylcarbonyl)-L-asparaginyl-(aS,bS)-b-amino-a-hydroxybenzenebutanoyl-N-(1,1-dimethylethyl)-(9CI) | C33H40 N6 O6 |
| 16409-45-3 | L-MENTHYL ACETATE | C12H22O2 |
| 81907-46-2 | L-Prolinamide,N-[(2-methylpropoxy)carbonyl]- D-phenylalanyl-N-[(1S)-4-[(aminoiminomethyl) amino]-1-formylbutyl]- |
| 103335-44-0 | L 651580 | C21H31 N O3 |
| 81081-59-6 | lysyl-prolyl-glycyl-glutamyl-prolyl-glycyl-prolyl-lysine | C36H60N10O11 |
| 10061-32-2 | levophenacylmorphan | C24H27 N O2 |
| 123081-48-1 | L-Isoleucine,glycyl-L-asparaginyl-L-asparaginyl-L-arginyl-L-prolyl-L-valyl-L-tyrosyl-L-isoleucyl-L-prolyl-L-glutaminyl-L-prolyl-L-arginyl-L-prolyl-L-prolyl-L-histidyl-L-prolyl-L-arginyl- | C95H150 N32 O23 |
| 79486-56-9 | L-Cysteinamide,L-cysteinyl-L-phenylalanyl-Dtryptophyl- L-lysyl-L-threonyl-,cyclic (1f6)-disulfide |
| 70780-99-3 | Lisicon |
| 14307-35-8 | Lithium chromate(IV) | CrH2Li2O4 |