• L-xylo-Heptonic acid,2,3,5,6,7-pentadeoxy-3,6-epidioxy-4-C-methyl-6-C-(10-phenyldecyl)-, g-lactone (9CI)
• 162559-02-6
• C24H36 O4
• .

• L-Phenylalanine,N-[N-[(phenylmethoxy)carbonyl]-S-(phenylmethyl)-L-cysteinyl]-, methyl ester(9CI)
• 7625-12-9
• C28H30 N2 O5 S
• 506.6132
• .

• L-Ornithine,N2-(N2-L-ornithyl-L-ornithyl)-, tetrahydrochloride (9CI)
• 60254-53-7
• C15H32 N6 O4 . 4 Cl H
• 360.4524
• .

• Lanosta-7,25-dien-18-oicacid, 20-hydroxy-3-[(O-3-O-methyl-b-D-glucopyranosyl-(1®3)-O-b-D-glucopyranosyl-(1®4)-O-[b-D-xylopyranosyl-(1®2)]-O-6-deoxy-b-D-glucopyranosyl-(1®2)-4-O-sulfo-b-D-xylopyranosyl)oxy]-16-oxo-, g-lactone, sodium salt (1:1), (3b)-
• 95499-80-2
• C59H92 O29 S . Na
• 1319.3912
• .

• L-Cysteine,S-(bromophenyl)- (9CI)
• 130247-40-4
• C9H10 Br N O2 S
• 0
• .

• L-Valinamide,(2R)-2-butyl-N-formyl-N-hydroxy-b-alanyl-N,N,3-trimethyl- (9CI)
• 235784-88-0
• C16H31 N3 O4
• 329.435
• .

• Lanost-8-en-3-one
• 1255-26-1
• C30H50 O
• 426.7174
• .

• L-Tyrosine, butyl ester
• 6292-90-6
• C₁₃H₁₉NO₃
• 237.29
• .

• L-threo-a-D-galacto-Octopyranoside, methyl7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-1-(2-hydroxyethyl)-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-thio-,monohydrochloride (9CI)
• 58801-45-9
• C19H35 Cl N2 O6 S . Cl H
• .

• L-Tryptophan,L-lysyl-L-lysyl-L-tryptophyl-L-tryptophyl-L-lysyl-L-tryptophyl-L-tryptophyl-L-lysyl-L-lysyl-(9CI)
• 148080-26-6
• C85H112 N20 O11
• .

• L-glycero-L-gluco-Heptitol,1,3:2,4-di-O-methylene-, triacetate (8CI)
• 7464-33-7
• C15H22 O10
• 362.3292
• .

• L-Tyrosinamide,N-acetyl-L-isoleucyl-N-[2-(4-hydroxyphenyl)-1-phosphonoethyl]-
• 84890-91-5
• C25H34 N3 O8 P
• .

• L-Phenylalanine,N-acetyl-4-[[[(2-methyl-1-oxo-2-propenyl)amino]acetyl]amino]-, methyl ester(9CI)
• 76311-21-2
• C18H23 N3 O5
• 361.3923
• .

• L-Tyrosine,N-(N-glycyl-L-norleucyl)-, ethyl ester, monohydrochloride (9CI)
• 5692-11-5
• C19H29 N3 O5 . Cl H
• 530.6346
• .

• L-Cysteine,N-acetyl-S-1-naphthalenyl-
• 51325-34-9
• C15H15 N O3 S
• 289.3495
• .

• L-Prolinamide,N-methyl-D-phenylalanyl-N-[(1S)-1-(trans-4-aminocyclohexyl)-3-(1-azetidinyl)-2,3-dioxopropyl]-(9CI)
• 205982-61-2
• C27H39 N5 O4
• .

• L-chiro-Inositol,1-amino-1-deoxy- (9CI)
• 26151-22-4
• C6H13 N O5
• 179.1711
• .

• L-Arginine,N2-[1-oxo-6-[[[4-[(1-oxopropyl)[1-(2-phenylethyl)-4-piperidinyl]amino]phenyl]acetyl]amino]hexyl]-D-arginyl-L-arginyl-L-prolyl-(4R)-4-hydroxy-L-prolylglycyl-3-(2-thienyl)-L-alanyl-L-seryl-(3R)-1,2,3,4-tetrahydro-3-isoquinolinecarbonyl-N-cyclohexylglycyl-(9CI)
• 186127-90-2
• C88H128 N22 O16 S
• .

• L-Leucine,N-(phenylmethyl)-
• 2743-42-2
• C13H19 N O2
• 221.2955
• .

• Lutetium,tris(2,2,6,6-tetramethyl-3,5-heptanedionato-kO3,kO5)-, (OC-6-11)-
• 15492-45-2
• C33H57 Lu O6
• 814.9356
• .

• L-Leucinamide,N-[(phenylmethoxy)carbonyl]-L-leucyl-N-[(1S)-1-formylbutyl]-
• 133407-86-0
• C25H39 N3 O5
• 461.60
• .

• L-Prolinamide,N-(4-carboxy-1-oxobutyl)-L-alanyl-L-alanyl-N-ethyl- (9CI)
• 83808-37-1
• C18H30 N4 O6
• 0
• .

• L-Threoninamide,N-(3-cyclohexyl-1-oxopropyl)-L-valyl-(2S)-2-piperidinecarbonyl-L-a-aspartyl-L-prolyl-N-propyl-(9CI)
• 182134-24-3
• C36H60 N6 O9
• .

• L-Phenylalanine,4-azido-
• 33173-53-4
• C₉H₁₀N₄O₂
• 206.2
• .

• Lipids, spinal cord
• 86088-95-1
• 289-162-3
• .

• L-Arginine,L-arginyl-D-phenylalanyl-L-prolylglycyl-L-phenylalanyl-L-seryl-D-phenylalanyl-L-phenylalanyl-(9CI)
• 127634-26-8
• C58H77 N15 O11
• 0
• .

• L-Cysteine,S-[9-(4-fluorophenyl)-9H-fluoren-9-yl]-
• 27486-79-9
• C22H18 F N O2 S
• 379.4472
• .

• L-Valine,N-[(phenylmethoxy)carbonyl]-, 2,5-dioxo-1-pyrrolidinyl ester
• 3496-11-5
• C₁₇H₂₀N₂O₆
• 222-493-3
• 348.3505
• .

• L-Aspartic acid,N-[3-(triethoxysilyl)propyl]-, diethyl ester (9CI)
• 94277-93-7
• C₁₇H₃₅NO₇Si
• 304-678-1
• 393.5478
• .

• L-Glutamic acid,N-(fluoroacetyl)- (9CI)
• 6320-36-1
• C7H10 F N O5
• 207.1564
• .

• L-chiro-Inositol,4-amino-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-b-L-lyxo-heptopyranosyl)-1-(methylamino)-(9CI)
• 68102-53-4
• C14H30 N4 O5
• 0
• .

• L-Serine,N2-[[[(1S,2S)-1-carboxy-2-methylbutyl]amino]carbonyl]-D-lysyl-(2S)-2-amino-4-(methylsulfonyl)butanoyl-(aS)-a-aminobenzenebutanoyl-(aS)-4-hydroxy-a-(methylamino)benzenebutanoyl-, (5®1)-lactam, 5-acetate (9CI)
• 184682-36-8
• C44H63 N7 O13 S
• .

• Lavender, Lavandulapedunculata, ext.
• 93165-51-6
• 296-938-5
• .

• L-Norleucine,N-(phenylacetyl)- (9CI)
• 65414-80-4
• C14H19 N O3
• 249.3056
• .

• L-Aspartic acid,N-[N-[(phenylmethoxy)carbonyl]glycyl]-, 4-methyl ester (9CI)
• 6120-55-4
• C15H18 N2 O7
• 338.3126
• .

• Laprol 3203-4-80 (9CI)
• 64925-45-7
• .

• Lead uranate pigment(9CI)
• 85536-79-4
• C₁₄H₁₅N₃O₄S₂
• 287-565-9
• 353.4166
• .

• Lead sulfide (PbS2)(6CI,7CI,8CI,9CI)
• 12137-74-5
• PbS2
• 235-241-2
• 271.33
• .

• Lanosta-9(11),20(22)-dien-26-oicacid, 7,8-epoxy-15-hydroxy-3,12,23-trioxo-, (7a,8a,15a,20E)- (9CI)
• 142465-52-9
• C30H40 O7
• .

• Leucine,N-[N-(benzylsulfonyl)-L-leucyl]-, ethyl ester, L- (8CI)
• 3253-28-9
• C21H34 N2 O5 S
• 426.5701
• .

• L-Glutamic acid,N-[4-[2-[(2,4-diamino-6-pteridinyl)methyl]hydrazino]benzoyl]- (9CI)
• 20751-47-7
• C19H21 N9 O5
• .

• Lead, isooctanoateneodecanoate complexes
• 101013-06-3
• 309-808-0
• .

• Lithium,(triphenylmethyl)-
• 733-90-4
• C19H15 Li
• .

• L-Phenylalanine,N-[(phenylmethoxy)carbonyl]glycyl-, phenylmethyl ester (9CI)
• 24117-97-3
• C26H26 N2 O5
• 446.495
• .

• L-Threonine,N-methylglycyl-L-arginyl-L-valyl-L-tyrosyl-L-valyl-L-histidyl-L-prolyl- (9CI)
• 74127-89-2
• C43H67 N13 O11
• 942.0726
• .

• Lanost-8-ene-2,3,24,25-tetrol,2-[hydrogen (3S)-3-hydroxy-3-methylpentanedioate], (2a,3b,24R)- (9CI)
• 126906-00-1
• C36H60 O8
• 620.8568
• .

• L-Glutamamide,glycyl-L-leucylglycyl-L-threonyl-L-leucyl-L-leucyl-L-threonyl-L-leucyl-L-leucyl-L-a-glutamyl-L-phenylalanyl-L-leucyl-L-leucyl-L-a-glutamyl-L-a-glutamyl-L-leucyl-L-leucyl-L-a-glutamyl-L-phenylalanyl-L-leucyl-L-lysyl-L-arginyl-L-lysyl-L-arginyl-L-glutaminyl-(9CI)
• 143780-69-2
• C144H243 N37 O38
• 0
• .

• L-Phenylalanine,4-[bis(2-chloroethyl)amino]-N-[[(4-pyridinylcarbonyl)amino]methyl]-
• 64398-85-2
• C20H24 Cl2 N4 O3
• 439.3356
• .

• L-arabino-Hexitol,2,5-anhydro-1,4,6-trideoxy-6-(trimethylammonio)- (9CI)
• 6836-06-2
• C9H20 N O2
• .

• L-Arabinopyranosylamine,N-(4-nitrophenyl)-
• 66036-36-0
• C11H14 N2 O6
• 334.32876
• .