• L-Phenylalaninamide,L-arginylglycyl-L-phenylalanyl- (9CI)
• 34367-74-3
• C26H36 N8 O4
• 0
• .

• L-Phenylalaninamide,glycyl-L-asparaginyl-L-phenylalanyl-L-phenylalanyl-L-arginyl- (9CI)
• 149997-79-5
• C39H51 N11 O7
• 0
• .

• L-Tyrosine,N-[N-[N-[N2-[N2-[[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)amino]thioxomethyl]-L-arginyl]-L-lysyl]-L-a-aspartyl]-L-valyl]- (9CI)
• 107865-24-7
• C51H60 N10 O14 S
• 0
• .

• L-Cysteine, hydrogensulfate (ester), monosodium salt (9CI)
• 7381-67-1
• C3H7 N O5 S2 . Na
• 223.2032
• .

• L-Tyrosine,L-lysyl-L-tyrosyl-L-leucylglycyl-L-prolyl-L-glutaminyl-, methyl ester (9CI)
• 117667-27-3
• C43H63 N9 O11
• 0
• .

• Lipoprotein (Treponemapallidum clone pAE47 gene tpp17 subunit precursor reduced) (9CI)
• 148068-13-7
• 0
• .

• L-Tyrosinamide,L-phenylalanyl-L-norleucyl-L-histidyl-L-asparaginyl-L-leucylglycyl-L-lysyl-L-histidyl-L-leucyl-L-seryl-L-seryl-L-norleucyl-L-a-glutamyl-L-arginyl-L-valyl-L-a-glutamyl-L-tryptophyl-L-leucyl-L-arginyl-L-lysyl-L-lysyl-L-leucyl-L-glutaminyl-L-a-aspartyl-L-valyl-L-histidyl-L-asparaginyl-(9CI)
• 71539-01-0
• C158H248 N48 O40
• 0
• .

• L-Leucine,N-[(phenylmethoxy)carbonyl]glycyl-
• 1421-69-8
• C₁₆H₂₂N₂O₅
• 215-825-3
• 322.3563
• .

• L-Arginine,L-asparaginyl-L-cysteinyl-L-prolyl-, disulfide with L-cysteine (9CI)
• 101531-76-4
• C21H37 N9 O8 S2
• 0
• .

• L-Valine, glycyl-L-a-glutamyl-L-prolyl-L-prolyl-L-prolylglycyl-L-lysyl-L-prolyl-L-alanyl-L-a-aspartyl-L-a-aspartyl-L-alanylglycyl-L-leucyl-
• 137525-51-0
• C62H98 N16 O22
• 0
• .

• L-Alanine, 3-azido-
• 105661-40-3
• C3H6 N4 O2
• 130.13
• .

• Lysinamide,glycyl-6-carboxy-N6-[N-(1-oxododecyl)-L-alanyl-D-g-glutamyl]-, (R*,R*)- (9CI)
• 78512-63-7
• C29H52 N6 O9
• 0
• .

• L-Tyrosine,N-L-alanyl-3-hydroxy- (9CI)
• 37181-64-9
• C12H16 N2 O5
• 0
• .

• L-Glutamic acid,N-[4-[[(1,4-dihydro-4-oxo-6-quinazolinyl)methyl]amino]benzoyl]- (9CI)
• 106585-70-0
• C21H20 N4 O6
• 0
• .

• L-Arginine,glycyl-L-prolyl-
• 47295-77-2
• C13H24 N6 O4
• 0
• .

• L-Homocysteine,S-(1,2-dichloroethenyl)-
• 106400-44-6
• C6H9 Cl2 N O2 S
• 230.1122
• .

• L-Ascorbic acid,ion(1-)
• 299-36-5
• C6H7 O6
• 176.12
• .

• Luteinizinghormone-releasing factor (swine), 6-D-alanine-10-(N-ethylglycinamide)- (9CI)
• 54797-49-8
• C58H81 N17 O13
• 0
• .

• L-Histidine,hydrochloride, hydrate (1:?:1)
• 7048-02-4
• C6H9 N3 O2 . x Cl H . H2 O
• 213-754-2
• 228.07
• .

• L-Phenylalanine,3'-ester with adenosine
• 5956-81-0
• C19H22 N6 O5
• 0
• .

• Luteinizinghormone-releasing factor (swine),1-(5-oxo-D-proline)-2-D-phenylalanine-3-D-tryptophan-6-[N6-(2,4-dinitrophenyl)-D-lysine]-(9CI)
• 100304-55-0
• C68H88 N18 O17
• 0
• .

• L-Aspartamide,5-oxo-L-prolyl- (9CI)
• 103322-29-8
• C9H14 N4 O4
• 242.2319
• .

• L-Lysinamide,L-phenylalanyl-L-arginyl-L-tryptophylglycyl-L-lysyl-L-prolyl-L-valylglycyl-L-lysyl-(9CI)
• 57241-86-8
• C58H92 N18 O10
• 0
• .

• L-threo-Pentonamide,5-cyclohexyl-2,4,5-trideoxy-N-[2-[[2-hydroxy-4-methoxy-1-(2-methylpropyl)-4-oxobutyl]amino]-1-methyl-2-oxoethyl]-4-[[N-[N-[(phenylmethoxy)carbonyl]-L-tyrosyl]-L-valyl]amino]-,[1S-[1R*(R*),2R*]]- (9CI)
• 145031-48-7
• C45H67 N5 O11
• 854.0404
• .

• L-Lysine,N6-acetyl-N6-hydroxy-
• 88492-29-9
• C8H16 N2 O4
• 0
• .

• L-Tyrosine, N-methyl-
• 537-49-5
• C₁₀H₁₃NO₃
• 208-670-8
• 195.21
• .

• L-Alanine,3-[(carboxymethyl)dithio]- (9CI)
• 15253-37-9
• C5H9 N O4 S2
• 0
• .

• Lanost-8-en-3-ol,24-methylene-, (3b)-
• 6890-88-6
• C31H52 O
• 0
• .

• L-Canavanine sulfate
• 34221-38-0
• C₅H₁₄N₄O₇S
• 0
• .

• L-Histidinamide,N-(ethoxycarbonyl)-L-alanyl-L-tyrosyl-L-valyl-N-[(1S)-2-carboxy-1-formylethyl]-(9CI)
• 160534-04-3
• C30H41 N7 O10
• .

• L-Asparagine, N-(O-a-D-glucopyranosyl-(1®6)-O-b-D-glucopyranosyl-(1®6)-a-D-glucopyranosyl)- (9CI)
• 77437-53-7
• C22H38 N2 O18
• 0
• .

• L-Threonine,L-tyrosyl-S-(1,1-dimethylethyl)-D-cysteinylglycyl-L-phenylalanyl-L-leucyl-,1,1-dimethylethyl ester
• 131766-24-0
• C41H62 N6 O9 S
• 0
• .

• L-Cysteine,N-(3,7,11,15-tetramethyl-1-oxo-2,6,10,14-hexadecatetraenyl)-, methyl ester,(E,E,E)- (9CI)
• 130413-80-8
• C24H39 N O3 S
• 0
• .

• L-Alanine,N-(5-fluoro-2,4-dinitrophenyl)-
• 346-48-5
• C9H8 F N3 O6
• 0
• .

• L-Phenylalanine,N-[(4,6-dimethoxy-2-pyrimidinyl)carbonyl]-
• 172045-93-1
• C16H17 N3 O5
• .

• L-Glutamic acid,N-(3-pyridinylcarbonyl)-, disodium salt (9CI)
• 113694-83-0
• C11H12 N2 O5 . 2 Na
• 296.187
• .

• L-Glutamine,L-methionyl-L-alanyl-L-alanyl-L-valyl-L-alanylglycyl-L-leucyl-L-tyrosylglycyl-L-leucylglycyl-L-a-glutamyl-L-a-aspartyl-L-arginyl-L-glutaminyl-L-histidyl-L-arginyl-L-lysyl-L-lysyl-
• 144119-58-4
• C95H158 N32 O28 S
• 0
• .

• L-Proline,1-[(5-chloro-3,4-dihydro-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-
• 64414-83-1
• C16H16 Cl N O5
• 337.7549
• .

• L-Histidine,N,N-dimethyl-
• 24940-57-6
• C₈H₁₃N₃O₂
• 183.21
• .

• L-Glutamic acid,N-[N-(N-L-tyrosyl-L-a-glutamyl)-L-tyrosyl]- (9CI)
• 61899-95-4
• C28H34 N4 O11
• 0
• .

• Lutetium, ion (Lu3+)
• 22541-24-8
• Lu
• 174.9654
• .

• L-Lysine,N6-(1-deoxy-D-fructos-1-yl)-
• 21291-40-7
• C12H24 N2 O7
• 0
• .

• L-Tyrosine,L-threonyl-L-a-aspartyl-(9CI)
• 115053-54-8
• C17H23 N3 O8
• 0
• .

• Lithium acetylide(Li(C2H)) (9CI)
• 1111-64-4
• C2H Li
• 214-182-6
• 31.97034
• .

• L-Tyrosine,N-[N-[4-[[4-(4-chlorophenyl)-1-[4-(4-fluorophenyl)-4-oxobutyl]-4-piperidinyl]oxy]-1,4-dioxobutyl]glycyl]-3-(iodo-125I)-(9CI)
• 113579-02-5
• C36H38 Cl F I N3 O8
• 0
• .

• L-Lysine, glycyl-L-a-glutamyl-L-phenylalanyl-L-seryl-L-valyl-L-cysteinyl-L-a-aspartyl-L-seryl-L-valyl-L-seryl-L-valyl-L-tryptophyl-L-valylglycyl-L-a-aspartyl-, (6®6')-disulfide withL-histidyl-L-tryptophyl-L-asparaginyl-L-seryl-L-tyrosyl-L-cysteinyl-L-threonyl-L-threonyl-L-threonyl-L-histidyl-L-threonyl-L-phenylalanyl-L-valyl-L-lysine(9CI)
• 90994-48-2
• C153H219 N39 O48 S2
• 0
• .

• L-Iditol,2,3:4,5-dianhydro-, 1,6-dimethanesulfonate
• 29171-77-5
• C8H14 O8 S2
• 302.322
• .

• L-Leucine,L-asparaginyl-L-arginyl-L-valyl-L-tyrosyl-L-valyl-L-histidyl-L-prolyl-L-phenylalanylglycyl-
• 95211-04-4
• C57H84 N16 O13
• 0
• .

• Lansimide 2
• 119574-06-0
• 0
• .

• L-Mannitol,1,6-dimethanesulfonate
• 101759-31-3
• C8H18 O10 S2
• 338.3525
• .