• L-Asparagine,N2-[(5-chloro-3,4-dihydro-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-
• 64398-39-6
• C15H15 Cl N2 O6
• 354.7424
• .

• L-Argininamide,L-alanyl-L-alanylglycyl-L-methionylglycyl-L-phenylalanyl-L-phenylalanylglycyl-L-alanyl-
• 149097-04-1
• C44H66 N14 O10 S
• 983.15
• .

• L-Arginine,L-seryl-D-1,2,3,4-tetrahydro-3-isoquinolinecarbonyl-L-(2a,3ab,7ab)-octahydro-1H-indole-2-carbonyl- (9CI)
• 148416-85-7
• C28H41 N7 O6
• 0
• .

• L-Alaninamide,N-acetyl-L-tyrosyl-L-valyl-N-[(1S)-2-carboxy-1-formylethyl]-
• 143313-51-3
• C23H32 N4 O8
• 492.5222
• .

• L-Methionine,L-methionyl-L-methionyl-
• 14486-15-8
• C15H29 N3 O4 S3
• 411.6
• .

• L-Isoleucine,L-isoleucyl-L-phenylalanyl-L-lysyl-L-lysyl-L-a-glutamyl-L-a-aspartyl-L-cysteinyl-L-lysyl-L-tyrosyl-L-isoleucyl-L-valyl-L-valyl-L-a-glutamyl-L-lysyl-L-lysyl-L-a-aspartyl-L-prolyl-L-lysyl-L-lysyl-L-threonyl-L-cysteinyl-L-seryl-L-valyl-L-seryl-L-a-glutamyl-L-tryptophylglycyl-,cyclic (7®21)-disulfide (9CI)
• 96182-95-5
• C150H240 N36 O43 S2
• 3299.86
• .

• L-Leucinamide,glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparaginyl-L-seryl-L-alanylglycyl-L-tyrosyl-L-leucyl-L-leucylglycyl-L-prolyl-D-arginyl-L-prolyl-L-lysyl-L-prolyl-L-glutaminyl-L-glutaminyl-D-tryptophyl-L-phenylalanyl-D-tryptophyl-L-leucyl-
• 143868-20-6
• C138H199 N35 O30
• 2828.27
• .

• L-Leucine,D-tyrosyl-L-glutaminyl-L-tryptophyl-L-alanyl-L-valylglycyl-L-histidyl-, methylester (9CI)
• 149440-24-4
• C48H66 N12 O11
• 0
• .

• Leptaden (9CI)
• 12710-00-8
• .

• L-Ascorbic acid,6-acetate
• 20229-76-9
• C8H10 O7
• 0
• .

• L-Alaninamide,glycyl-L-tryptophyl-L-threonyl-L-leucyl-L-asparaginyl-L-seryl-L-alanylglycyl-L-tyrosyl-L-leucyl-L-leucylglycyl-L-prolyl-L-prolyl-L-prolyl-L-alanyl-L-leucyl-L-alanyl-L-leucyl-
• 143896-17-7
• C94H145 N23 O24
• 1981.3
• .

• L-Argininamide,3,3'-(3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3',6'-diyl)bis[N-[(phenylmethoxy)carbonyl]-L-isoleucyl-L-prolyl-(9CI)
• 91847-26-6
• C70H86 N14 O13
• 0
• .

• L-Leucine,L-cysteinyl-L-alanylglycyl-L-a-glutamyl-L-glutaminyl-L-arginyl-L-lysyl-L-a-aspartyl-L-valyl-L-tyrosyl-L-valyl-L-a-glutamyl- (9CI)
• 106939-01-9
• C64H104 N18 O22 S
• 0
• .

• L-Proline, 1-[(3b,20b)-3-[[(S)-6-deoxy-2-O-[(S)-6-deoxy-6-[2-(methoxycarbonyl)-1-pyrrolidinyl]-6-oxo-b-D-glucopyranosyl]-6-[2-(methoxycarbonyl)-1-pyrrolidinyl]-6-oxo-a-D-glucopyranosyl]oxy]-11,29-dioxoolean-12-en-29-yl]-,methyl ester (9CI)
• 171259-64-6
• C60H89 N3 O19
• 1156.3574
• .

• Lonomycin A,23,27-didemethoxy-11-O-demethyl-29-deoxy-, monosodium salt, (29x)- (9CI)
• 124831-81-8
• C41H70 O11 . Na
• 760.9697
• .

• L-Alanine, L-α-aspartyl-
• 13433-02-8
• C₇H₁₂N₂O₅
• 204.1806
• .

• Lanost-8-en-26-oicacid, 7,12-dihydroxy-3,11,15,23-tetraoxo-, (7b,12a)- (9CI)
• 110311-47-2
• C30H42 O8
• .

• L-Threonine, methyl ester
• 3373-59-9
• C₅H₁₁NO₃
• 222-158-1
• 133.15
• .

• L-Prolinamide,D-phenylalanyl-(2E,4S)-4-amino-5-(4-hydroxyphenyl)-2-pentenoyl-(2S)-2-(formylamino)-b-alanyl-N-[(8S,8aR)-3-amino-1,5,6,7,8,8a-hexahydro-8a-hydroxy-1-oxoimidazo[1,5-a]pyridin-8-yl]-(9CI)
• 224577-35-9
• C36H45 N9 O8
• .

• L-Leucine, L-leucyl-,methyl ester
• 13022-42-9
• C13H26 N2 O3
• 0
• .

• L-Leucine,hydrochloride (1:1)
• 760-84-9
• C₆H₁₃NO₂^.HCl
• 212-083-2
• 167.63
• .

• L-Tryptophan,N-[N-[N-[N-[N-(N-L-lysyl-L-phenylalanyl)-L-phenylalanyl]-L-phenylalanyl]-L-isoleucyl]-L-isoleucyl]-,methyl ester (9CI)
• 118593-84-3
• C57H75 N9 O8
• 0
• .

• Lavender,Lavandula angustifolia angustifolia, ext., sapond.
• 90244-91-0
• 290-795-2
• .

• L-Arabinitol,2,4-diamino-1,2,4,5-tetradeoxy-1,5-diphenyl- (9CI)
• 129822-17-9
• C17H22 N2 O
• 270.3694
• .

• L-Cysteine,N-acetyl-S-2-propen-1-yl-
• 23127-41-5
• C8H13 N O3 S
• 0
• .

• Lanosta-7,9(11),24-trien-26-oicacid, 15,22-bis(acetyloxy)-3-hydroxy-, (3b,15a,22S,24E)- (9CI)
• 112430-69-0
• C34H50 O7
• .

• L-Idonamide,6-cyclohexyl-2,5,6-trideoxy-5-[[(2S)-3-(1H-imidazol-4-yl)-2-[[(1-naphthalenyloxy)acetyl]amino]-1-oxopropyl]amino]-2-(1-methylethyl)-N-[(1S,2S)-2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]-
• 112190-24-6
• C45H61 N7 O7
• 812.0085
• .

• L-Histidine mono(3-methyl-2-oxobutyrate)
• 78000-39-2
• C11H17N3O5
• 278-815-8
• 271.26978
• .

• L-Phenylalanine,2,4-dinitro-
• 49607-21-8
• C9H9 N3 O6
• 256-397-8
• 255.1843
• .

• L-Ribonic acid,2-[15-(1,3-benzodioxol-5-yl)pentadecyl]-2,5-dideoxy-, g-lactone
• 220096-12-8
• C27H42 O5
• .

• L-Glutamic acid,N-[4-[2-(2-amino-1,4,5,6,7,8-hexahydro-4-oxo-6-quinazolinyl)ethyl]benzoyl]-,(R)- (9CI)
• 118537-33-0
• C22H26 N4 O6
• 0
• .

• Lubricating oils(petroleum), used, noncatalytically refined
• 101316-73-8
• 309-878-2
• .

• L-Glutamic acid,L-leucyl-L-lysyl-L-isoleucyl-L-a-glutamyl-L-a-aspartyl-L-seryl-L-a-aspartyl-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- (9CI)
• 123380-67-6
• C96H152 N22 O40 S
• 0
• .

• L-Leucine,L-lysyl-L-lysyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-lysyl-L-lysyl-(9CI)
• 148080-27-7
• C60H117 N15 O11
• .

• L-Methionine,N-[4-[[(2R)-2-amino-3-mercaptopropyl]amino]benzoyl]-, methyl ester
• 171674-93-4
• C16H25 N3 O3 S2
• .

• L-Asparagine, L-a-aspartyl-L-seryl-L-histidyl-L-alanyl-L-lysyl-L-arginyl-L-histidyl-L-histidylglycyl-L-tyrosyl-L-lysyl-L-arginyl-L-lysyl-L-phenylalanyl-L-histidyl-L-a-glutamyl-L-lysyl-L-histidyl-L-histidyl-L-seryl-L-histidyl-L-arginylglycyl-L-tyrosyl-L-arginyl-L-seryl-L-asparaginyl-L-tyrosyl-L-leucyl-L-tyrosyl-L-a-aspartyl-
• 112844-49-2
• C178H258 N64 O48
• .

• Lanosta-7,9(11),24-trien-26-oicacid, 3,22-bis(acetyloxy)-, (3a,22S,24E)-
• 103963-39-9
• C34H50 O6
• 0
• .

• L-lyxo-Hexonamide,5-[[(2S)-4-amino-1,4-dioxo-2-[(2-quinolinylcarbonyl)amino]butyl]amino]-3,4-anhydro-2,5,6-trideoxy-N-[(1R)-2-methyl-1-phenylpropyl]-6-phenyl-
• 160742-38-1
• C36H39 N5 O5
• .

• L-Tyrosine, O-methyl-
• 6230-11-1
• C₁₀H₁₃NO₃
• 228-333-9
• 195.21512
• .

• L-talo-Non-2-enonicacid,5,9-anhydro-2,3,4,8-tetradeoxy-8-[[(2S,3S)-3-[(1S,2S)-2-hydroxy-1-methylpropyl]-2-oxiranyl]methyl]-3-methyl-,8-carboxyoctyl ester, calcium salt (2:1), (2E)-
• 104486-81-9
• C26H44 O9 . 1/2 Ca
• 1075.337
• .

• L-Cysteine,S,S'-1,2-ethanediylbis-
• 14344-49-1
• C8H16 N2 O4 S2
• 0
• .

• L-Ornithine,N2-[(1,1-dimethylethoxy)carbonyl]-N5-[(phenylmethoxy)carbonyl]-
• 2480-93-5
• C₁₈H₂₆N₂O₆
• 366.41
• .

• L-Lysine,N2-[(1,1-dimethylethoxy)carbonyl]-N6-[(phenylmethoxy)carbonyl]-L-lysyl-N6-[(phenylmethoxy)carbonyl]-,methyl ester
• 27317-68-6
• C34H48 N4 O9
• 656.7663
• .

• L-Methionine,glycylglycyl-L-phenylalanyl-
• 61370-88-5
• C₁₈H₂₆N₄O₅S
• 410.48
• .

• L-Leucine,N-[3-amino-4-(4-azidophenyl)-2-hydroxy-1-oxobutyl]-, labeled with tritium,[S-(R*,S*)]- (9CI)
• 139915-04-1
• C16H23 N5 O4
• 0
• .

• L-Glutamic acid,N-(N-L-lysyl-L-seryl)-, homopolymer (9CI)
• 115633-61-9
• C14 H26 N4 O7
• 0
• .

• L-Histidine,N-[(hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbonyl]-, phenylmethyl ester,(S)- (9CI)
• 103300-80-7
• C19H21 N5 O5
• .

• L-Alanine,N-(2-mercapto-1-oxoheptyl)-L-phenylalanyl-
• 166334-50-5
• C19H28 N2 O4 S
• .

• Lead, isotope of mass209
• 14119-30-3
• Pb
• 209
• .

• L-Valine,N-(2-hydroxypropyl)-
• 101834-32-6
• C8H17 N O3
• 175.2255
• .