• L-Prolinamide,5-oxo-3-thiomorpholinecarbonyl-L-histidyl- (9CI)
• 75282-08-5
• C16H22 N6 O4 S
• .

• L-Phenylalanine,N-(2-phenylacetyl)-
• 738-75-0
• C₁₇H₁₇NO₃
• 283.32
• .

• L-Aspartic acid,N,N-bis(phosphonomethyl)-, sodium salt (1:?)
• 71550-26-0
• C6H13 N O10 P2 . x Na
• .

• Leucomycin V,4B-hexanoate
• 78897-52-6
• C41H69 N O14
• 0
• .

• L-Cysteine,N-[N-[(1,1-dimethylethoxy)carbonyl]-L-tryptophyl]-, hydrazide (9CI)
• 72156-67-3
• C19H27 N5 O4 S
• 421.5138
• .

• L-Glutamic acid,N-[4-[[(2-amino-1,4-dihydro-4-oxopyrido[3,2-d]pyrimidin-6-yl)methyl]thio]benzoyl]-(9CI)
• 76807-69-7
• C20H19 N5 O6 S
• 457.4598
• .

• L-Alanine,N-[N-(4-azidobenzoyl)glycyl]-3-(2-pyridinyldithio)- (9CI)
• 78196-39-1
• C17H16 N6 O4 S2
• 0
• .

• L-Idose, diethyldithioacetal, pentaacetate (9CI)
• 7226-54-2
• C20H32 O10 S2
• .

• L-Asparagine,N,N-bis(phenylmethyl)-
• 74280-48-1
• C18H20 N2 O3
• 312.363
• .

• L-Galactose,2-amino-2,6-dideoxy-
• 7577-62-0
• C6H13 N O4
• 0
• .

• L-Tyrosine,N-[[3-[(phenylmethoxy)carbonyl]oxiranyl]carbonyl]-L-isoleucyl-, methyl ester(9CI)
• 77167-78-3
• C27H32 N2 O8
• .

• L-Serine,N-[3-[(carboxymethyl)amino]-5-hydroxy-5-(hydroxymethyl)-2-methoxy-2-cyclohexen-1-ylidene]-
• 73112-73-9
• C13H20 N2 O8
• .

• Licheniformin A5 (9CI)
• 72138-70-6
• .

• L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]ethylamino]benzoyl]-, diethyl ester(9CI)
• 70280-75-0
• C25H32 N8 O5
• 524.5722
• .

• Liposyn
• 79468-94-3
• C₄H₄Cl₆
• 0
• .

• Leucine,N-[(3,5-dichlorophenoxy)acetyl]-, D- (8CI)
• 7404-58-2
• C14H17 Cl2 N O4
• 334.19508
• .

• L-Aspartic acid,N-[(diethoxyphosphinyl)acetyl]-, diethyl ester (9CI)
• 71259-19-3
• C14H26 N O8 P
• 367.3319
• .

• L-xylo-Hexose,2,3,6-trideoxy-3-C-methyl-4-O-methyl-3-nitro- (9CI)
• 71839-37-7
• C8H15 N O5
• .

• L-Cysteine,N-(N-acetyl-2,3-didehydrovalyl)-S-(phenylmethyl)- (9CI)
• 7474-77-3
• C17H22 N2 O4 S
• 350.4326
• .

• L-erythro-Pentonicacid, 2,5-dideoxy-2-hexadecylidene-, g-lactone, (2Z)- (9CI)
• 71359-04-1
• C21H38 O3
• .

• L-chiro-Inositol,4-amino-1,4-dideoxy-6-O-methyl-1-(methylamino)-3-O-[(1R,3R,4S)-6-methyl-2-oxa-5-azabicyclo[2.2.2]oct-5-en-3-yl]-(9CI)
• 74918-32-4
• C15H27 N3 O5
• 0
• .

• L-Tyrosine,glycyl-L-phenylalanyl-L-phenylalanyl- (9CI)
• 75005-82-2
• C29H32 N4 O6
• 532.5876
• .

• Lanost-9(11)-en-18-oicacid, 22,25-epoxy-3,12,17,20-tetrahydroxy-, g-lactone, (3b,12a,22S)- (9CI)
• 72244-90-7
• C30H46 O6
• .

• LGPI 29 (9CI)
• 75026-01-6
• 0
• .

• L-Cysteine,N-[N-[(1,1-dimethylethoxy)carbonyl]-L-tryptophyl]-, methyl ester (9CI)
• 72254-55-8
• C20H27 N3 O5 S
• 421.5105
• .

• L-Homoserine,N-[(3S)-3-carboxy-3-[[(3S)-3-carboxy-3-hydroxypropyl]amino]propyl]-
• 76224-57-2
• C12H22 N2 O8
• 0
• .

• L-Alanine,N-[N-[(phenylmethoxy)carbonyl]-O-[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-L-seryl]-,methyl ester (9CI)
• 73404-46-3
• C29H39 N3 O14
• 653.6317
• .

• L-Alanine,N-(1-nitro-9-acridinyl)-, ethyl ester, monohydrochloride (9CI)
• 75106-51-3
• C18H17 N3 O4 . Cl H
• 375.8062
• .

• L-Prolinamide,(2S)-6-oxo-2-piperidinecarbonyl-L-norvalyl- (9CI)
• 78664-74-1
• C16H26 N4 O4
• .

• Largomycin (9CI)
• 79748-87-1
• 0
• .

• L-Tyrosine,N-[(2-propen-1-yloxy)carbonyl]-
• 7469-28-5
• C13H15 N O5
• 265.2619
• .

• l-Cysteine, S-((acetylamino)methyl)-N-(N-(N-(N-(N-(N6-((2-(methylsulfonyl)ethoxy)carbonyl)-l-lysyl)-l-threonyl)-l-phenylalanyl)-l-threonyl)-l-seryl)-, 2-(((4-(phenylazo)phenyl)methyl)sulfonyl)ethyl ester, mono(trifluoroacetate) (salt)
• 76408-71-4
• C53H73F3N10O19S3
• 278-449-9
• 1307.3925296
• .

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

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

• 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
• .

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

• 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
• .

• L-Serine, L-a-aspartyl-,2-[(aminoiminomethyl)amino]ethyl hydrogen phosphate (ester) (9CI)
• 76848-19-6
• C10H20 N5 O9 P
• .

• L-Proline,1-(benzoyloxy)-, 1,2-dibromoethyl ester
• 74039-33-1
• C₁₄H₁₅Br₂NO₄
• 0
• .

• Leucine,N-(chloroacetyl)- (9CI)
• 7154-83-8
• C₈H₁₄ClNO₃
• 230-510-0
• 207.6547
• .

• Largal Ultra (9CI)
• 71812-49-2
• 0
• .

• L-Cysteine,S,S',S''-[3-(dimethylamino)-6-hydroxy-1,2,4-benzenetriyl]tris[N-acetyl- (9CI)
• 77630-70-7
• C23H32 N4 O10 S3
• 620.716
• .

• L-erythro-Pentonicacid, 2,5-dideoxy-2-(15-hexadecenylidene)-, g-lactone, (2E)- (9CI)
• 71339-52-1
• C21H36 O3
• .

• L-Serinamide,N-[(phenylmethoxy)carbonyl]-L-alanyl- (9CI)
• 70874-14-5
• C14H19 N3 O5
• 309.3178
• .

• L-Arabinofuranosylamine,N-(3-chlorophenyl)-
• 7461-01-0
• C11H14 Cl N O4
• 259.6862
• .

• L-chiro-Inositol,4-amino-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-b-L-lyxo-heptopyranosyl)-1-(dimethylamino)-6-O-methyl-(9CI)
• 70952-84-0
• C16H34 N4 O5
• 348.441
• .

• L-Serine, glycyl-
• 7361-43-5
• C₅H₁₀N₂O₄
• 211-692-0
• 162.1439
• .

• L-Glutamic acid,N-[4-[[(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)methyl]methylamino]benzoyl]-
• 76822-62-3
• C21H23 N7 O5
• 453.4512
• .

• L-Glutamic acid,N-[4-[[[(2,4-diamino-6-pteridinyl)methyl]methylamino]methyl]benzoyl]-, diethylester (9CI)
• 70539-58-1
• C25H32 N8 O5
• 524.5722
• .

• L-Proline, 5-oxo-, (11b)-11,17-dihydroxy-3,20-dioxopregn-4-en-21-ylester (9CI)
• 76234-43-0
• C26H35 N O7
• 278-395-6
• 473.5586
• .