• L-arabino-Hept-2-enonicacid, g-lactone
• 26566-39-2
• C7H10 O7
• 206.1501
• .

• L-Tyrosine, N-benzoyl-
• 2566-23-6
• C16H15 N O4
• 285.29
• .

• L-Ascorbic acid, monooctadecanoate
• 25395-66-8
• C₂₄H₄₂O₇
• 246-944-9
• 442.5861
• .

• L-Isoleucine, methylester
• 2577-46-0
• C₇H₁₅NO₂
• 219-931-0
• 145.20
• .

• L-Ascorbic acid,2-(dihydrogen phosphate)
• 23313-12-4
• C₆H₉O₉P
• 256.104
• .

• L-Alanine,N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl-
• 27317-69-7
• C11H20 N2 O5
• 260.29
• .

• L-arabino-Hexaric acid,3,4-dideoxy-2-C-[(1R)-1-hydroxyethyl]-4-methyl-5-C-methyl- (9CI)
• 24921-76-4
• C10H18 O7
• .

• L-Alanine,N-(5-oxo-L-prolyl)- (9CI)
• 21282-08-6
• C8H12 N2 O4
• 200.19
• .

• L-Phenylalanine,N-[(phenylmethoxy)carbonyl]-, 4-nitrophenyl ester
• 2578-84-9
• C23H20 N2 O6
• 219-938-9
• 420.41
• .

• L-Arabinaric acid,2-deoxy-3,4-di-C-methyl-2-(1-methylethyl)-, 1,4-lactone (9CI)
• 26543-10-2
• C10H16 O5
• 216.23104
• .

• Leucomycin V
• 22875-15-6
• C35H59 N O13
• 701.8419
• .

• L-Phenylalaninamide,glycyl-N-2-naphthalenyl-
• 21438-66-4
• C21H21 N3 O2
• 347.41
• .

• L-Tryptophan,N-(2-nitrobenzoyl)-
• 27261-93-4
• C18H15 N3 O5
• 353.3288
• .

• L-Lysine,N6-[(1,1-dimethylethoxy)carbonyl]-
• 2418-95-3
• C₁₁H₂₂N₂O₄
• 246.3034
• .

• L-Proline,1-[(2R,3S,4E)-3-hydroxy-2,4-dimethyl-1-oxo-4-dodecen-1-yl]-,(1R,2S)-1-[[(1S)-1-carboxyethoxy]carbonyl]-2-methylbutyl ester
• 222974-46-1
• C28H47 N O8
• .

• L-Tyrosine,L-leucyl-L-leucyl-
• 20368-24-5
• C₂₁H₃₃N₃O₅
• 407.5038
• .

• L-Ornithine,N5-[imino(nitroamino)methyl]-
• 2149-70-4
• C₆H₁₃N₅O₄
• 218-418-9
• 219.19852
• .

• L-Asparagine,N-[2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-
• 2776-93-4
• C12H21 N3 O8
• 335.31
• .

• L-Aspartic acid,N-[(2E,4E,6E,8E,10E,12E)-14-[[(1S,2S)-1-carboxy-2-methylbutyl]amino]-1,14-dioxo-2,4,6,8,10,12-tetradecahexaenyl]-(9CI)
• 220379-14-6
• C24H30 N2 O8
• .

• L-Homocysteine,S-(2-carboxy-2-hydroxyethyl)-
• 26097-37-0
• C7H13 N O5 S
• 223.2468
• .

• Lanost-9(11)-en-18-oicacid, 3,20,25-trihydroxy-16-oxo-, g-lactone, (3b)-(9CI)
• 23519-00-8
• C30H46 O5
• 486.6832
• .

• L-Cysteine,N-acetyl-S-(1,2-dichloroethenyl)-
• 2148-31-4
• C7H9 Cl2 N O3 S
• 0
• .

• L-ASCORBYL DIPALMITATE
• 28474-90-0
• C₃₈H₆₈O₈
• 652.9417
• .

• L-Leucine, labeled withtritium
• 21675-61-6
• C₆H₁₃NO₂
• 145.23
• .

• L-Aspartic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]amino]benzoyl]-
• 25312-31-6
• C18H18 N8 O5
• 0
• .

• L-Aspartic acid,4-anhydride with phosphoric acid
• 22138-53-0
• C4H8 N O7 P
• 0
• .

• L-erythro-2-Pentulose
• 2042-27-5
• C5H10 O5
• 150.1299
• .

• L-Proline,1-(2-chloroacetyl)-
• 23500-10-9
• C7H10 Cl N O3
• 245-695-3
• 191.61
• .

• L-Valinamide, N,b,b-trimethyl-L-phenylalanyl-N-[(1S,2E)-3-carboxy-1-(1-methylethyl)-2-buten-1-yl]-N,3-dimethyl-
• 228266-40-8
• C27H43 N3 O4
• 473.65
• .

• L-Arabinopyranoside,2-(3,4-dihydroxyphenyl)-3,4-dihydro-3,5-dihydroxy-2H-1-benzopyran-7-yl
• 29289-02-9
• C20H22 O10
• 0
• .

• L-Prolinamide,N-[[(4S)-hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl]carbonyl]-L-histidyl-,hydrate (1:4)
• 201677-75-0
• C17H23 N7 O5 . 4 H2 O
• 0
• .

• L-Threonine,N-[4-methyl-2-nitro-3-(phenylmethoxy)benzoyl]-
• 2441-62-5
• C19H20 N2 O7
• 388.3713
• .

• L-Tyrosine, b,3-dihydroxy-, (bR)-
• 23651-95-8
• C₉H₁₁NO₅
• 213.19
• .

• L-Lysine,N2,N6-bis(2,3-dihydroxybenzoyl)-
• 23369-85-9
• C20H22 N2 O8
• 0
• .

• L-Cystine, 1,1'-diethylester, hydrochloride (1:2)
• 22735-07-5
• C10H20 N2 O4 S2 . 2 Cl H
• 245-184-5
• 0
• .

• L-Tyrosine,N2-[[[(1S)-4-[(aminoiminomethyl)amino]-1-carboxybutyl]amino]carbonyl]-D-lysyl-L-isoleucyl-(aS)-a-amino-4-hydroxybenzenebutanoyl-N-methyl-L-leucyl-, (5®1)-lactam (9CI)
• 226413-70-3
• C45H68 N10 O10
• .

• L-Alaninamide,N-(3-methyl-1-oxobutyl)-L-valyl-L-valyl-(3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl-N-[(1S)-1-[(1S)-2-carboxy-1-hydroxyethyl]-3-methylbutyl]-
• 26305-03-3
• C₃₄H₆₃N₅O₉
• 247-600-0
• 685.89212
• .

• L-Lysine, mono-1,2-dithiolane-3-pentanoate
• 20902-53-8
• C₁₄H₂₈N₂O₄S₂
• 0
• .

• L-Tyrosine,3-iodo-5-nitro- (9CI)
• 28612-47-7
• C9H9 I N2 O5
• 352.0826
• .

• L-Glutamic acid,N-[3,5-dichloro-4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-,monosodium salt (9CI)
• 22198-99-8
• C20H20 Cl2 N8 O5 . Na
• 567.2931
• .

• L-Arabinaric acid,2-deoxy-2-methyl-3,4-di-C-methyl-, 1,4-lactone (9CI)
• 26543-09-9
• C8H12 O5
• 188.20
• .

• L-Valine,1-[(phenylmethoxy)carbonyl]-L-prolyl-
• 21285-27-8
• C18H24 N2 O5
• 244-312-7
• 348.39
• .

• L 778123
• 253863-00-2
• C₂₂H₂₁Cl₂N₅O
• 442.341
• .

• Lead, isotope of mass199
• 27486-00-6
• Pb
• 199
• .

• L-Ascorbic acid,5,6-O-(phenylmethylene)-
• 20664-60-2
• C13H12 O6
• 0
• .

• L-Phenylalanine,N-(1-oxo-3-phenylpropyl)-
• 21888-30-2
• C18H19 N O3
• 0
• .

• L-Tryptophan, N-formyl-
• 27520-72-5
• C12H12 N2 O3
• 0
• .

• Lanost-8-en-26-oicacid, 3-hydroxy-24-methyl-23-oxo-, (3a)- (9CI)
• 25278-96-0
• C31H50 O4
• .

• L-Asparagine,N-[(phenylmethoxy)carbonyl]-
• 23289-62-5
• C12H14 N2 O5
• 266.25
• .

• L-Proline, 5-oxo-,pentachlorophenyl ester (9CI)
• 28990-85-4
• C₁₁H₆Cl₅NO₃
• 249-360-2
• 377.44
• .