• L-Proline, 5-oxo-,tricosyl ester
• 37673-39-5
• C₂₈H₅₃NO₃
• 253-606-4
• 451.72532
• .

• L-Tyrosinamide,L-alanyl-L-threonyl-L-glutaminyl-L-arginyl-L-leucyl-L-alanyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-valyl-L-arginyl-L-leucyl-L-glutaminyl-L-threonyl-L-tyrosyl-L-prolyl-L-arginyl-L-threonyl-L-asparaginyl-L-valylglycyl-L-alanyl-L-asparaginyl-L-threonyl-(9CI)
• 163859-95-8
• C127H204 N40 O36
• .

• Loasa tricolor, ext.
• 91722-82-6
• 294-484-2
• .

• l-N,N-Diethyl-P-(2-methylimidazol-1-yl)-P-(phenyl)phosphinothioic amide
• 16914-04-8
• C₁₄H₁₉N₃PS+
• 293.367461
• .

• L-Aspartic acid,glycyl-L-phenylalanyl-L-alanyl-
• 134562-79-1
• C18H24 N4 O7
• 0
• .

• Lead chromate hydroxide(Pb(CrO4)(OH)2), (T-4)- (9CI)
• 12017-86-6
• CrH2 O6 Pb
• 234-628-3
• 564.40838
• .

• L-Tyrosine,3-[(4-nitrophenyl)azo]- (9CI)
• 37019-62-8
• C15H14 N4 O5
• 330.2955
• .

• L-Leucine, N-silyl-,ethyl ester
• 5589-81-1
• C8H19 N O2 Si
• 384.288
• .

• L-threo-Pentitol,2,5-anhydro-1,3,4-trideoxy-2-C-(2,4-difluorophenyl)-4-[[4-[4-[4-[1,5-dihydro-1-[(1S)-1-methylpropyl]-5-oxo-4H-1,2,4-triazol-4-yl]phenyl]-1-piperazinyl]phenoxy]methyl]-1-(1H-1,2,4-triazol-1-yl)-(9CI)
• 149882-19-9
• C36H40 F2 N8 O3
• .

• L-Prolinamide,N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosyl-D-methionylglycyl-4-nitro-L-phenylalanyl-(9CI)
• 73385-91-8
• C35H47 N7 O10 S
• 277-423-4
• 757.85358
• .

• L-Glutamic acid,N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 1-(2-propen-1-yl) ester
• 144120-54-7
• C23H23 N O6
• 409.43
• .

• Lanosta-8,24-dien-3-one,cyclic 1,2-ethanediyl dithioacetal (9CI)
• 5485-99-4
• C32H52 S2
• 432.3856
• .

• Licorice, Glycyrrhiza glabra, ext.
• 84775-66-6
• 283-895-2
• 0
• .

• L-erythro-Pentonicacid, 2,5-dideoxy-2-(15-hexadecenylidene)-, g-lactone, (2Z)- (9CI)
• 71339-51-0
• C21H36 O3
• .

• L-Alanine,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]benzoyl]-
• 19622-53-8
• C17H18 N8 O3
• .

• L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, 5-hexadecylester
• 88887-42-7
• C36H54 N8 O5
• 0
• .

• Lyxofuranoside, benzyl3,5-dideoxy-2-O-[2-deoxy-2-(methylamino)-a-L-glucopyranosyl]-3-C-(hydroxymethyl)-1-thio-,hydrochloride, L- (8CI)
• 6198-78-3
• C20H31 N O7 S . Cl H
• 273.3055
• .

• Lysophosphatidylethanolamines,soya
• 97281-41-9
• 306-541-1
• .

• Labda-8(20),12,14-trien-18-oicacid, 6a-hydroxy-, methyl ester (8CI)
• 5282-08-6
• C21H32 O3
• 347.2065
• .

• Liposidomycin
• 118817-12-2
• .

• Liquidambar orientalis,ext.
• 94891-27-7
• 305-627-6
• .

• L-Glutamic acid,monopotassium monosodium salt (9CI)
• 7558-69-2
• C5H9 N O4 . K . Na
• 207.2014
• .

• L-Ornithine,N5-(1,4-dihydro-6-methyl-4-oxo-2-pyrimidinyl)- (9CI)
• 55684-42-9
• C10H16 N4 O3
• 240.259
• .

• L-Tryptophan, calcium salt (2:1)
• 71720-54-2
• C₂₂H₂₂CaN₄O₄
• 275-903-8
• 446.51248
• .

• Luteinizinghormone-releasing factor (swine), 2-D-phenylalanine-6-D-arginine- (9CI)
• 57292-40-7
• C62H86 N18 O13
• .

• Linseed oil, polymerwith p-tert-butylphenol, formaldehyde, maleic anhydride, pentaerythritol,phenol, rosin, soybean oil and tung oil
• 192888-60-1
• .

• L-Phenylalanine,N-[N-[(phenylmethoxy)carbonyl]-O-[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-L-seryl]-,methyl ester (9CI)
• 73404-47-4
• C35H43 N3 O14
• 729.7276
• .

• Lead, isononanoate neodecanoate complexes, basic
• 90431-41-7
• 291-564-9
• 0
• .

• L-Tyrosine, D-leucyl-
• 3303-29-5
• C₁₅H₂₂N₂O₄
• 294.3462
• .

• L-Phenylalaninamide,N-(1,1-dimethyl-2-propenyl)-L-phenylalanyl-N-[(1S)-2-methyl-1-(2-thiazolyl)propyl]-(9CI)
• 176666-60-7
• C30H38 N4 O2 S
• .

• L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]-3-methoxybenzoyl]-
• 65118-35-6
• C20H22 N8 O6
• 470.4387
• .

• L-Glutamamide,N-acetyl-2-methylalanyl-L-alanyl-2-methylalanyl-L-leucyl-2-methylalanyl-L-glutaminyl-2-methylalanyl-2-methylalanyl-2-methylalanyl-L-alanyl-L-alanyl-2-methylalanyl-L-prolyl-L-leucyl-2-methylalanyl-D-isovalyl-N1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-
• 95263-75-5
• C80H140 N20 O21
• .

• L-Ascorbic acid,monolithium salt (9CI)
• 80781-74-4
• C6H8 O6 . Li
• .

• L-Alanine,N-(2,4,6-trimethyl-3-pyridinyl)-, methyl ester
• 98166-04-2
• C12H18 N2 O2
• 222.2835
• .

• L-Glutamic acid,N-[4-[[[2-amino-5-(carboxymethyl)-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl]methyl]amino]benzoyl]-(9CI)
• 72973-90-1
• C21H25 N7 O8
• 503.4653
• .

• L-Tyrosine,N-(2-carboxyethyl)-
• 5395-03-9
• C12H15 N O5
• 253.2512
• .

• Leucine,N-[(4-methylphenyl)sulfonyl]-, methyl ester
• 51220-84-9
• C₁₄H₂₁NO₄S
• 299.39
• .

• L-Lysine citrate
• 93805-81-3
• C₁₂H₂₂N₂O₉
• 298-565-3
• 338.31108
• .

• Lyclaninol
• 53755-76-3
• 0
• .

• L-Cysteine, N-acetyl-,butylcarbamate (ester) (9CI)
• 71084-39-4
• C10H18 N2 O4 S
• 262.3259
• .

• Lygeum spartum, ext.
• 97281-35-1
• 306-535-9
• .

• L-Arginine,L-tyrosyl-L-prolyl-L-tryptophyl-L-threonyl-L-glutaminyl-
• 135861-76-6
• C40H55 N11 O10
• .

• Lavender, Lavandulaangustifolia angustifolia, ext., acetylated
• 94334-13-1
• 305-093-4
• .

• L-Histidine, N-(3-(bis(2-chloroethyl)amino)-N-(N2-(N2-(3-(bis(2-chloroethyl)amino)-L-phenylalanyl)-L-arginyl)-L-lysyl)-L-phenylalanyl)-, methyl ester, tetrahydrochloride
• 84434-76-4
• C45H71Cl8N13O6
• 282-876-6
• 1173.75274
• .

• Liriosma ovata, ext.
• 91770-18-2
• 294-803-5
• .

• lithium (bis(2,2,2-trifluoroethyl)amino)methanedithioate
• 74613-66-4
• C₅H₄F₆LiNS₂
• 0
• .

• Lilac, Syringa persica,ext.
• 90063-49-3
• 290-007-7
• .

• L-Cysteine, S-hexyl-
• 23884-44-8
• C9H19 N O2 S
• 205.3177
• .

• L-Aspartic acid,N-1H-purin-6-yl- (9CI)
• 26511-42-2
• C9H9 N5 O4
• 251.1989
• .

• Lonchocarpus utilis,ext.
• 97766-22-8
• 307-882-9
• .