• L-Isoleucine,L-histidyl-L-alanyl-L-a-aspartylglycyl-L-isoleucyl-L-phenylalanyl-L-threonyl-L-seryl-L-valyl-L-tyrosyl-L-seryl-L-histidyl-L-leucyl-L-leucyl-L-alanyl-L-lysyl-L-leucyl-L-alanyl-L-valyl-L-lysyl-L-arginyl-L-tyrosyl-L-leucyl-L-histidyl-L-seryl-L-leucyl-(9CI)
• 163046-84-2
• C143H226 N38 O36
• .

• L-Valine,N-[2-[2-(hydroxyamino)-2-oxoethyl]-4-methyl-1-oxopentyl]-L-seryl-
• 137530-61-1
• C16H29 N3 O7
• 0
• .

• L-Asparagine, L-alanyl-
• 31796-57-3
• C7H13 N3 O4
• 203.2
• .

• L-Phenylalanine,4-cyano-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-
• 173963-93-4
• C₂₅H₂₀N₂O₄
• 411.4299
• .

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

• L-threo-Pentitol,2-(2-amino-6-chloro-9H-purin-9-yl)-1,2,3,4-tetradeoxy-1,4-epithio-
• 142941-60-4
• C10H12 Cl N5 O S
• 285.7532
• .

• L-Valine,N-[N-[3-hydroxy-6-methyl-1-oxo-4-[[N2-[N2-(N-L-valyl-L-seryl)-L-glutaminyl]-L-asparaginyl]amino]heptyl]-L-isoleucyl]-,[S-(R*,R*)]- (9CI)
• 124020-60-6
• C36H65 N9 O12
• 815.9544
• .

• L-Glutamic acid,glycylglycyl-
• 17343-05-4
• C9H15 N3 O6
• 261.23
• .

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

• L-Valinamide,N-(4-methoxy-1,4-dioxobutyl)-L-alanyl-L-alanyl-L-prolyl-N-(4-nitrophenyl)-
• 70967-90-7
• C27H38 N6 O9
• 232-670-7
• 590.63
• .

• L-Tyrosine, N-[4-[[(12a)-3,20-dioxopregn-4-en-12-yl]oxy]-1,4-dioxobutyl]-,methyl ester (9CI)
• 110988-79-9
• C35H45 N O8
• 0
• .

• L-Phenylalanine,L-prolyl-3-[bis(2-chloroethyl)amino]-L-phenylalanyl-4-fluoro-, ethyl ester,monohydrochloride (9CI)
• 35849-47-9
• C29H37 Cl2 F N4 O4 . Cl H
• 252-756-8
• 631.9938232
• .

• L-Histidine,N-(4-amino-1-oxobutyl)-
• 3650-73-5
• C10H16 N4 O3
• 0
• .

• L-Arginine,L-tyrosyl-L-glutaminyl-L-glutaminyl-L-prolyl-L-valyl-L-leucylglycyl-L-prolyl-L-valyl-
• 118060-90-5
• C53H85 N15 O14
• 0
• .

• Lysozyme, hydrochloride
• 9066-59-5
• C₂₇H₃₂Cl₂O₇
• 232-954-0
• 539.44478
• .

• L-threo-Pentitol,2,5-anhydro-1,3,4-trideoxy-2-C-(2,4-difluorophenyl)-4-[[4-[4-[4-[1,5-dihydro-1-[(1R)-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)
• 149809-53-0
• C36H40 F2 N8 O3
• .

• L-Leucine, L-alanyl-
• 3303-34-2
• C₉H₁₈N₂O₃
• 221-977-1
• 202.25
• .

• Luteinizinghormone-releasing factor (swine),1-de(5-oxo-L-proline)-2-[N-[(phenylmethoxy)carbonyl]-O-(phenylmethyl)-L-serine]-6-D-phenylalanine-,monohydrochloride (9CI)
• 63929-61-3
• C69H86 N14 O14 . Cl H
• 1462.27
• .

• Lipopolysaccharides,Salmonella minnesota
• 97808-43-0
• 307-962-3
• 0
• .

• Lanosta-9(11),16-dien-26-oicacid, 7,8-epoxy-3,20-dihydroxy-12,15,23-trioxo-, (3b,7a,8a,20x)- (9CI)
• 142449-65-8
• C30H40 O8
• .

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

• L-Tyrosine,N-[N-[N-[N-[N-[N-[N-[N-[[1-(2-hydroxy-1-oxopropyl)-L-2-piperidinyl]carbonyl]-N-methyl-L-valyl]-L-valyl]-N-methyl-L-a-aspartyl]-N-methyl-L-isoleucyl]-N-methyl-L-isoleucyl]glycyl]-N-methyl-L-valyl]-O-methyl-,d1-lactone, (R)- (9CI)
• 154429-12-6
• C57H91 N9 O14
• 0
• .

• Lanosta-7,24-dien-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)
• 125850-46-6
• C55H86 O25 S . Na
• .

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

• L-Phenylalanine, L-b-aspartyl-
• 13433-10-8
• C₁₃H₁₆N₂O₅
• 236-558-9
• 280.28
• .

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

• L-Phenylalanine,N-formyl-
• 13200-85-6
• C₁₀H₁₁NO₃
• 236-166-8
• 193.2
• .

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

• L-Cysteine,S-(3,7,11-trimethyl-2,6,10-dodecatrienyl)-, methyl ester (9CI)
• 125741-64-2
• C19H33 N O2 S
• 339.5358
• .

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

• L-Lyxonamide,2,4,5-trideoxy-N-[2-methyl-1-[[(phenylmethyl)amino]carbonyl]propyl]-4-[[1-oxo-2-[[(phenylmethoxy)carbonyl]amino]butyl]amino]-5-phenyl-2-[(phenylmethyl)amino]-,[1(S),4(S)]- (9CI)
• 161510-46-9
• C42H51 N5 O6
• 721.8842
• .

• Lanosta-7,9(11),24-trien-26-oicacid, 3,15-bis(acetyloxy)-, (3b,15a,24E)- (9CI)
• 112430-63-4
• C34H50 O6
• 0
• .

• L-Alanine,N-(1-nitroso-L-prolyl)- (9CI)
• 95326-12-8
• C8H13 N3 O4
• 0
• .

• L-Asparagine,N2-[(1,1-dimethylethoxy)carbonyl]-, 2,5-dioxo-1-pyrrolidinyl ester
• 42002-18-6
• C13H19 N3 O7
• 329.31
• .

• L-Tryptophan,N-L-lysyl-2-[(2-nitrophenyl)thio]- (9CI)
• 103088-69-3
• C23H27 N5 O5 S
• 0
• .

• L-Ascorbic acid,2-[(2R)-3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ylhydrogen phosphate], potassium salt (1:1)
• 127061-56-7
• C35H57 O10 P . K
• 0
• .

• L-Ascorbic acid,2-O-octadecyl-
• 98829-12-0
• C24H44 O6
• 0
• .

• L-Leucinamide,glycyl-L-leucyl-L-leucyl-L-seryl-L-valyl-L-leucylglycyl-L-seryl-L-valyl-L-alanyl-L-glutaminyl-L-histidyl-L-valyl-L-leucyl-L-prolyl-L-histidyl-L-valyl-L-valyl-L-prolyl-L-valyl-L-isoleucyl-L-alanyl-L-a-glutamyl-L-histidyl- (9CI)
• 149152-93-2
• C120H199 N33 O30
• .

• L-Phenylalanine,N2-[[[(2S,3S)-4-cyclohexyl-3-[[N-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanyl-L-histidyl]amino]-2-hydroxybutyl](1-methylethyl)amino]carbonyl]-L-lysyl-
• 105116-61-8
• C49H73 N9 O9
• 932.1588
• .

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

• L-Leucine,5-oxo-L-prolyl-L-leucyl-L-tyrosyl-L-a-glutamyl-L-asparaginyl-L-lysyl-L-prolyl-L-arginyl-L-arginyl-L-prolyl-L-tyrosyl-L-isoleucyl-
• 55508-42-4
• C78H121 N21 O20
• 1672.92
• .

• L-Lysinamide,D-alanyl-3-(2-naphthalenyl)-D-alanyl-L-alanyl-L-tryptophyl-D-phenylalanyl-,hydrochloride (1:2)
• 158827-34-0
• C45H55 N9 O6 . 2 Cl H
• 0
• .

• L-Cysteine,N-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-
• 105099-08-9
• C9H16 N2 O2 S
• 216.3005
• .

• L-Aspartic acid,N-[2-[(7S,8S)-3-carboxy-7-(2-carboxyethyl)-13-ethenyl-18-ethyl-7,8-dihydro-2,8,12,17-tetramethyl-21H,23H-porphin-5-yl]acetyl]-
• 110230-98-3
• C₃₈H₄₁N₅O₉
• 0
• .

• L-Asparagine,N-[O-D-mannopyranosyl-(1®6)-O-D-mannopyranosyl-(1®4)-O-2-(acetylamino)-2-deoxy-D-glucopyranosyl-(1®4)-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-
• 76333-26-1
• C32H54 N4 O23
• 0
• .

• Lyase, cystathionine b-
• 9055-05-4
• 0
• .

• Leucine,N-benzoyl-2-(hydroxymethyl)-
• 52421-47-3
• C14H19 N O4
• 265.3
• .

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

• L-Aspartic acid,3-hydroxy-, (3S)-
• 7298-99-9
• C₄H₇NO₅
• 149.1021
• .

• L-Proline,1-[1-[N-(N-L-valyl-L-histidyl)-L-leucyl]-L-prolyl]- (9CI)
• 121305-24-6
• C27H43 N7 O6
• 561.6736
• .