• L-Glutamic acid,N-[[5-[[(2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]-2-thienyl]carbonyl]-(9CI)
• 64624-38-0
• C17H17 N7 O6 S
• 447.4252
• .

• L-Cysteine,S-[(acetylamino)methyl]-, methyl ester, hydrochloride (1:1)
• 33375-68-7
• C7H14 N2 O3 S . Cl H
• 251-486-8
• 242.7236
• .

• L-Ornithine,N-[(phenylmethoxy)carbonyl]-D-phenylalanyl-L-phenylalanyl-N5-[imino(nitroamino)methyl]-(9CI)
• 16088-35-0
• C32H37 N7 O8
• 647.68
• .

• L-Leucinamide,N-[(phenylmethoxy)carbonyl]-L-leucyl-
• 71800-39-0
• C20H31 N3 O4
• 377.4778
• .

• L-Isoleucine,N-[N-[(1,1-dimethylethoxy)carbonyl]-L-tryptophyl]-, hydrazide (9CI)
• 72254-57-0
• C22H33 N5 O4
• 431.5285
• .

• L-Lysine,N6,N6-dimethyl-N2-(1-oxohexadecyl)-
• 17196-53-1
• C24H48 N2 O3
• 241-239-2
• 412.64952
• .

• L-Arginine,N2-[(phenylmethoxy)carbonyl]-, sodium salt (1:1)
• 17364-44-2
• C14H20 N4 O4 . Na
• 241-398-8
• 330.3148
• .

• Laspartomycin
• 12676-61-8
• .

• L-Glutamic acid,4-hydroxy-
• 3157-41-3
• C5H9 N O5
• 163.1287
• .

• Leach residues,molybdenum roasted ore, ammonium
• 84144-89-8
• 282-210-4
• .

• L-Lysine,N6,N6'-(1,10-dioxo-1,10-decanediyl)bis- (9CI)
• 31146-98-2
• C22H42 N4 O6
• 458.5921
• .

• Lard, sulfurized
• 68956-57-0
• 273-310-9
• .

• L-Lysinamide,N6-benzoyl-D-lysyl-L-phenylalanyl-N-(3-carboxy-4-hydroxyphenyl)- (9CI)
• 86411-70-3
• C35H44 N6 O7
• .

• L-Asparagine,N-[O-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl-(1®4)-O-[O-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl-(1®2)-a-D-mannopyranosyl-(1®3)]-O-[O-a-D-mannopyranosyl-(1®3)-O-[a-D-mannopyranosyl-(1®6)]-a-D-mannopyranosyl-(1®6)]-O-b-D-mannopyranosyl-(1®4)-O-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl-(1®4)-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]- (9CI)
• 74424-56-9
• C66H110 N6 O48
• 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-6-deoxy-b-D-glucopyranosyl-(1®2)-4-O-sulfo-b-D-xylopyranosyl)oxy]-, g-lactone, monosodium salt, (3b,16a)- (9CI)
• 125850-45-5
• C55H88 O25 S . Na
• .

• L-Cysteine,S-(triphenylmethyl)-, methyl ester, hydrochloride (1:1)
• 62675-68-7
• C23H23 N O2 S . Cl H
• 377.4992
• .

• L-Alanine,N-(1-oxo-2-propen-1-yl)-
• 19883-36-4
• C6H9 N O3
• 143.1406
• .

• L-Cysteine, hexaesterwith D-glucitol
• 444618-64-8
• C24H44 N6 O12 S6
• .

• L-Alaninamide,N-(ethoxycarbonyl)-L-alanyl-L-tyrosyl-L-valyl-N-[(1S)-2-carboxy-1-formylethyl]-(9CI)
• 160534-05-4
• C27H39 N5 O10
• 593.63
• .

• L-Argininamide,D-phenylalanyl-(2S)-2-piperidinecarbonyl-N-[4-(phenylamino)phenyl]-,dihydrochloride (9CI)
• 76030-90-5
• C33H42 N8 O3 . 2 Cl H
• .

• L-Glutamic acid,N-[[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]phenyl]acetyl]- (9CI)
• 52853-41-5
• C20H22 N8 O5
• 454.4393
• .

• Leucine,N-[p-[bis(2-chloroethyl)amino]benzylidene]-, ethyl ester (7CI)
• 88617-48-5
• C19H28 Cl2 N2 O2
• 387.3438
• .

• L-Alanine,N-(3,5-dimethyl-4-isoxazolyl)-
• 98166-05-3
• C8H12 N2 O3
• 184.1925
• .

• L-Arginine,L-arginyl-L-prolyl-(4R)-4-hydroxy-L-prolylglycyl-(2S)-2-(2,3-dihydro-1H-inden-2-yl)glycyl-L-seryl-(2R)-2-(2,3-dihydro-1H-inden-2-yl)glycyl-(2S,3aS,7aS)-octahydro-1H-indole-2-carbonyl-(9CI)
• 180963-42-2
• C58H83 N15 O12
• .

• L-Alanine,N-[[(2-chloroethyl)nitrosoamino]carbonyl]-, methyl ester
• 82219-34-9
• C7H12 Cl N3 O4
• 237.6409
• .

• L-Isoleucine,1-formyl-L-prolyl-L-glutaminyl-L-threonyl-(aS)-a-amino-4-hydroxybenzenebutanoyl-(aS)-3-amino-6-hydroxy-a-[(1R)-1-hydroxyethyl]-2-oxo-1-piperidineacetyl-3-chloro-N-methyl-L-tyrosyl-,(7®3)-lactone (9CI)
• 173450-69-6
• C50H68 Cl N9 O15
• .

• L-Tryptophan,(2R)-N-formyl-2-hydroxy-b-alanyl-L-isoleucyl-3-amino-L-alanyl-L-alanyl-(3S,4S)-3-amino-4-methyl-2-oxohexanoyl-(2E)-3-[2-[(1S)-1-amino-2-methoxyethyl]-4-thiazolyl]-2-propenoyl-2-bromo-5-hydroxy-,cyclic (7®3)-peptide (9CI)
• 161995-33-1
• C43H57 Br N10 O12 S
• .

• Leach residues,tellurium
• 69029-73-8
• 273-814-9
• .

• L-Lysine,N2-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, trihydrobromide(9CI)
• 51865-81-7
• C21H27 N9 O3 . 3 Br H
• 453.4976
• .

• L-Lysine,N2-[4-(formylmethylamino)benzoyl]-N6-[(phenylmethoxy)carbonyl]-, methyl ester
• 51865-75-9
• C24H29 N3 O6
• 455.5036
• .

• L-Methionine,N-[N-[N-[(1,1-dimethylethoxy)carbonyl]-b-alanyl]-L-tryptophyl]-, hydrazide (9CI)
• 5534-93-0
• C24H36 N6 O5 S
• 404.8904
• .

• Leptinotarsadecemlineata, ext.
• 99924-41-1
• 309-082-5
• .

• L-Methionine,N-benzoyl-, methyl ester
• 50732-06-4
• C13H17 N O3 S
• 256-744-3
• 267.34398
• .

• L-ribo-Heptonamide,4-amino-4,5,6,7-tetradeoxy-N-[(1S)-1-[(3S)-3,4-dihydro-8-hydroxy-1-oxo-1H-2-benzopyran-3-yl]-3-methylbutyl]-6-methyl-
• 182292-49-5
• C22H34 N2 O6
• .

• L-Proline,1-[N-[N-[(phenylmethoxy)carbonyl]glycyl]glycyl]- (9CI)
• 3434-75-1
• C₁₇H₂₁N₃O₆
• 363.37
• .

• L-Histidine,N-[(1R)-1-carboxyethyl]-
• 62504-27-2
• C9H13 N3 O4
• .

• Leach residues, zincore-calcine, zinc cobalt
• 69012-72-2
• 273-769-5
• .

• L-Leucine, calcium salt(1:2)
• 71720-30-4
• C6H13 N O2 . 2 Ca
• 275-877-8
• 600.81592
• .

• L-Phenylalanine,N-methyl-N-[(phenylmethoxy)carbonyl]-
• 2899-07-2
• C18H19 N O4
• 313.35
• .

• L-Prolinamide,N-[(1,1-dimethylethoxy)carbonyl]-4-nitro-L-phenylalanyl- (9CI)
• 73385-89-4
• C19H26 N4 O6
• 277-422-9
• 406.43294
• .

• L-Lysine,N6-[(1,1-dimethylethoxy)carbonyl]-, 1,1-dimethylethyl ester, hydrochloride(1:1)
• 13288-57-8
• C15H30 N2 O4 . Cl H
• 338.87
• .

• Lignin,sodium salt
• 37203-80-8
• 0
• .

• L-Lysine,N2-(1-oxododecyl)-
• 59409-41-5
• C₁₈H₃₆N₂O₃
• 261-742-0
• 328.49
• .

• Lead, isooctanoatenaphthenate complexes, basic
• 90431-42-8
• 291-565-4
• .

• L-Valine,L-valyl-L-tyrosyl-
• 17355-22-5
• C19H29 N3 O5
• 379.45
• .

• L-Asparagine,N-(2,3-dihydro-3-oxo-1H-indazol-6-yl)-N2-(2-methyl-1-oxopropyl)-N2-octadecyl-
• 34922-45-7
• C33H54 N4 O5
• 252-288-4
• 586.80566
• .

• L-erythro-L-glycero-D-altro-7-Trideculo-7,4-furanosonicacid,2,7-anhydro-3,4-di-C-carboxy-8,9,10,12,13-pentadeoxy-10-methylene-12-(phenylmethyl)-,11-acetate 5-[(2E)-4-hydroxy-4,6-dimethyl-2-octenoate], (7S)- (9CI)
• 158189-87-8
• C35H46 O15
• .

• L-Glutamic acid,N-[N-[N-[(phenylmethoxy)carbonyl]-L-a-glutamyl]-L-a-glutamyl]-, 5,5',5''-tris(1,1-dimethylethyl) ester(9CI)
• 64642-50-8
• C35H53 N3 O12
• 707.8082
• .

• Lipoprotein (plasmidpYVe439-80 clone pBC5 gene ylpA protein moiety) (9CI)
• 135750-88-8
• 0
• .

• L-Asparagine,N2-acetyl-N-(9-oxo-9H-fluoren-3-yl)-
• 31792-64-0
• C19H16 N2 O5
• 352.3407
• .