• Lanolin, ethoxylated,acetate
• 65071-98-9
• C₄H₈O₃
• 0
• .

• L-Prolinamide,N-[[(4S)-hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl]carbonyl]-L-histidyl-,hydrate (1:4)
• 201677-75-0
• C17H23 N7 O5 . 4 H2 O
• 0
• .

• L-chiro-Inositol,4-amino-1-[(aminoacetyl)methylamino]-3-O-[2-amino-2,3,4,6,7-pentadeoxy-6-(methylamino)-b-L-lyxo-heptopyranosyl]-1,4-dideoxy-6-O-methyl-(9CI)
• 71657-34-6
• C18H37 N5 O6
• 0
• .

• L-Threonine,N-[4-methyl-2-nitro-3-(phenylmethoxy)benzoyl]-
• 2441-62-5
• C19H20 N2 O7
• 388.3713
• .

• L-Leucinamide,glycyl-L-leucyl-L-leucyl-L-seryl-L-valyl-L-leucylglycyl-L-seryl-L-valyl-L-alanyl-L-lysyl-L-histidyl-L-valyl-L-leucyl-L-prolyl-L-histidyl-L-valyl-L-valyl-L-prolyl-L-valyl-L-isoleucyl-L-alanyl-L-a-glutamyl-L-histidyl-
• 144675-60-5
• C121H203 N33 O29
• .

• L-Threonine,L-lysyl-D-prolyl-
• 117027-34-6
• C₁₅H₂₈N₄O₅
• 344.41
• .

• L-Glutamine,N-[(1S)-1-carboxypropyl]-
• 16869-42-4
• C9H16 N2 O5
• 232.23
• .

• L-Tyrosine,N-(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthracenyl)-, methyl ester
• 166197-86-0
• C24H19 N O6
• .

• L-Threonine,N-[4-[[2-[[[6-amino-2-[(1S)-3-amino-1-[[(2S)-2,3-diamino-3-oxopropyl]amino]-3-oxopropyl]-5-methyl-4-pyrimidinyl]carbonyl]amino]-3-(1H-imidazol-4-yl)-1-oxopropyl]amino]-2,4,5-trideoxy-2-methyl-D-arabinonoyl]-(9CI)
• 69619-02-9
• C28H44 N12 O9
• .

• L-Phenylalanine,N-[(1Z)-4,4,4-trifluoro-3-oxo-1-buten-1-yl]-
• 133992-79-7
• C13H12 F3 N O3
• 0
• .

• L-Tyrosine, b,3-dihydroxy-, (bR)-
• 23651-95-8
• C₉H₁₁NO₅
• 213.19
• .

• L-Lysine,N2,N6-bis(2,3-dihydroxybenzoyl)-
• 23369-85-9
• C20H22 N2 O8
• 0
• .

• L-Serine,O-[4-(methylnitrosoamino)butyl]-
• 64332-95-2
• C8H17 N3 O4
• 219.2383
• .

• L-Proline, 1-nitroso-
• 7519-36-0
• C5H8 N2 O3
• 144.15
• .

• Lithium selenide(Li2Se)
• 12136-60-6
• Li2Se
• 235-230-2
• 92.84
• .

• L-Cystine, 1,1'-diethylester, hydrochloride (1:2)
• 22735-07-5
• C10H20 N2 O4 S2 . 2 Cl H
• 245-184-5
• 0
• .

• L-Lysinamide,D-valyl-L-leucyl-N-(4-methyl-2-oxo-2H-1-benzopyran-7-yl)-
• 152881-17-9
• C27H41 N5 O5
• 0
• .

• L-Tyrosine,L-seryl-L-seryl-L-cysteinylglycyl-L-arginyl-L-isoleucyl-L-a-aspartyl-L-arginyl-L-isoleucylglycyl-L-serylglycyl-L-leucylglycyl-L-cysteinyl-L-asparaginyl-L-seryl-L-phenylalanyl-L-arginyl-(9CI)
• 121051-68-1
• C88H142 N30 O29 S2
• 2148.38268
• .

• L-Glutamine, N-hydroxy-
• 1955-67-5
• C5H10 N2 O4
• 162.14
• .

• L-Methionine, labeledwith carbon-11
• 58576-49-1
• C5H11 N O2 S
• 0
• .

• Luteinizing hormone
• 9002-67-9
• 232-661-8
• 30,000
• .

• L-Tyrosine,N2-[[[(1S)-4-[(aminoiminomethyl)amino]-1-carboxybutyl]amino]carbonyl]-D-lysyl-L-isoleucyl-(aS)-a-amino-4-hydroxybenzenebutanoyl-N-methyl-L-leucyl-, (5®1)-lactam (9CI)
• 226413-70-3
• C45H68 N10 O10
• .

• L-Alanine,3,3-difluoro-
• 59729-23-6
• C3H5 F2 N O2
• 0
• .

• L-Glutamic acid,N-[2,3-dichloro-4-[[(2,4-diamino-5-pteridinyl)methyl]methylamino]benzoyl]-(9CI)
• 151648-48-5
• C20H20 Cl2 N8 O5
• 523.3294
• .

• L-Gulonic acid, g-lactone
• 1128-23-0
• C6H10 O6
• 178.14
• .

• L-Arginine,L-lysyl-L-arginyl-L-histidyl-L-histidylglycyl-L-tyrosyl-L-lysyl-
• 127637-04-1
• C47H76 N20 O10
• .

• L-Cysteine, S-methyl-,S-oxide
• 6853-87-8
• C4H9 N O3 S
• 151.18
• .

• L-Prolinamide,N-[4-(4-morpholinylcarbonyl)benzoyl]-L-valyl-N-[(1E)-2-(acetyloxy)-3,3,4,4,4-pentafluoro-1-(1-methylethyl)-1-butenyl]-(9CI)
• 160816-33-1
• C31H39 F5 N4 O7
• .

• L-Aspartamide,N2-acetyl-L-arginyl-L-asparaginyl-L-cysteinyl-L-tyrosyl-N1-methyl- (9CI)
• 126355-75-7
• C29H45 N11 O9 S
• 723.8009
• .

• L-Tyrosine,N-benzoyl-3-hydroxy-
• 33515-38-7
• C16H15 N O5
• 251-555-2
• 301.294
• .

• L-Threonine,N-[(methyl-1H-purin-6-ylamino)carbonyl]- (9CI)
• 132603-03-3
• C11H14 N6 O4
• 0
• .

• L-Leucine,L-methionyl-L-leucyl-L-threonyl-L-lysyl-L-phenylalanyl-L-a-glutamyl-L-threonyl-L-lysyl-L-seryl-L-alanyl-L-arginyl-L-valyl-L-lysylglycyl-L-leucyl-L-seryl-L-phenylalanyl-L-histidyl-L-prolyl-L-lysyl-L-arginyl-L-prolyl-L-tryptophyl-L-isoleucyl-
• 144092-28-4
• C139H224 N38 O32 S
• 0
• .

• L-Proline,L-seryl-L-isoleucylglycyl-L-seryl-L-alanyl-L-phenylalanyl-L-lysyl-L-lysyl-L-alanyl-L-leucyl-L-prolyl-L-valyl-L-alanyl-L-lysyl-L-lysyl-L-isoleucylglycyl-L-lysyl-L-alanyl-L-alanyl-L-leucyl-L-prolyl-L-isoleucyl-L-alanyl-L-lysyl-L-alanyl-L-alanyl-L-leucyl-
• 150671-05-9
• C135H235 N35 O32
• 0
• .

• L-threo-Pentonamide,2,4,5-trideoxy-N-[2-[[2-hydroxy-4-methoxy-1-(2-methylpropyl)-4-oxobutyl]amino]-1-methyl-2-oxoethyl]-5-phenyl-4-[[N-[N-[(phenylmethoxy)carbonyl]-L-tyrosyl]-L-valyl]amino]-,[1S-[1R*(R*),2R*]]- (9CI)
• 145031-49-8
• C45H61 N5 O11
• 847.9927
• .

• Lanost-9(11)-en-18-oicacid, 3,20-dihydroxy-23-oxo-, g-lactone, (3b)-(9CI)
• 101247-83-0
• C30H46 O4
• .

• L-Alaninamide,N-(3-methyl-1-oxobutyl)-L-valyl-L-valyl-(3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl-N-[(1S)-1-[(1S)-2-carboxy-1-hydroxyethyl]-3-methylbutyl]-
• 26305-03-3
• C₃₄H₆₃N₅O₉
• 247-600-0
• 685.89212
• .

• Lutetium, isotope ofmass 173
• 14391-24-3
• Lu
• 172.9389
• .

• L-Ascorbic acid,5,6-O-(phenylmethylene-d)-
• 122431-96-3
• C13H11 D O6
• 265.2369
• .

• L-Alanine,N-[[(2-chloroethyl)nitrosoamino]carbonyl]-, (5a,17b)-3-oxoandrostan-17-yl ester
• 89083-93-2
• C25H38 Cl N3 O5
• 0
• .

• L-Leucine, L-tyrosyl-
• 17355-10-1
• C15H22 N2 O4
• 294.35
• .

• L-Phenylalaninamide,N-(4-carboxy-1-oxobutyl)-L-leucyl-N-[1,2-dihydro-2-oxo-4-(trifluoromethyl)-7-quinolinyl]-(9CI)
• 111574-82-4
• C30H33 F3 N4 O6
• 0
• .

• L-Lysine, mono-1,2-dithiolane-3-pentanoate
• 20902-53-8
• C₁₄H₂₈N₂O₄S₂
• 0
• .

• L-Glutamic acid,L-threonyl-L-tyrosyl-L-isoleucyl-L-cysteinyl-L-a-glutamyl-L-valyl-L-a-glutamyl-L-a-aspartyl-L-glutaminyl-L-lysyl-L-a-glutamyl-
• 126144-46-5
• C62H96 N14 O26 S
• 0
• .

• Lanost-7-en-18-oicacid, 16-(acetyloxy)-20-hydroxy-3-[(O-3-O-methyl-b-D-glucopyranosyl-(1®3)-O-b-D-xylopyranosyl-(1®4)-O-[b-D-xylopyranosyl-(1®2)]-O-6-deoxy-b-D-glucopyranosyl-(1®2)-4-O-sulfo-b-D-xylopyranosyl)oxy]-23-oxo-, g-lactone, sodium salt (1:1), (3b,16b)-
• 168433-95-2
• C60H94 O30 S . Na
• .

• L-Tyrosine,3-iodo-5-nitro- (9CI)
• 28612-47-7
• C9H9 I N2 O5
• 352.0826
• .

• L-Lysine,N6-[3-[[2-[(4-azido-2-hydroxybenzoyl)amino]ethyl]dithio]-1-oxopropyl]-N2-[N-[N-(N-formyl-L-methionyl)-L-leucyl]-L-phenylalanyl]-(9CI)
• 104234-99-3
• C39H55 N9 O9 S3
• 0
• .

• L-Glutamine,N-(3-carboxy-1-oxopropyl)-L-phenylalanyl-L-a-glutamyl-L-prolyl-L-isoleucyl-L-prolyl-L-a-glutamyl-L-a-glutamyl-L-tyrosyl-3-cyclohexyl-L-alanyl-(9CI)
• 138828-04-3
• C67H93 N11 O22
• 0
• .

• L-Glutamine, D-alanyl-,octadecyl ester, hydrochloride (1:1)
• 153508-74-8
• C26H51 N3 O4 . Cl H
• .

• L-Glutamic acid,N-[3,5-dichloro-4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-,monosodium salt (9CI)
• 22198-99-8
• C20H20 Cl2 N8 O5 . Na
• 567.2931
• .

• L-Lysine,N6-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-
• 1101-84-4
• C18H25 N3 O4 S
• 379.47
• .