• L-Isoleucine,N-[N-[N-[(phenylmethoxy)carbonyl]-S-(phenylmethyl)-L-cysteinyl]-L-tyrosyl]-,1,1-dimethylethyl ester (9CI)
• 52668-03-8
• C37H47 N3 O7 S
• 0
• .

• Lactococcin B (plasmidp9B4-6 clone pMB570 gene lcnB precursor) (9CI)
• 145421-14-3
• C339H513 N87 O106 S4
• 0
• .

• L-Idonamide,6-cyclohexyl-2,5,6-trideoxy-N-(2,3-dihydro-2-hydroxy-1H-inden-1-yl)-2-(1-methylethyl)-5-[[2-[[(1-naphthalenyloxy)acetyl]amino]-1-oxo-3-(phosphonooxy)butyl]amino]-,dipotassium salt, [1(1S,2R),5(2S,3R)]- (9CI)
• 150592-14-6
• C40H54 N3 O11 P . 2 K
• .

• L-Glutamine,L-tyrosyl-L-prolyl-L-glutaminyl-L-prolyl- (9CI)
• 114691-30-4
• C29H41 N7 O9
• 0
• .

• Leucomycin V,3B,9-diacetate 3,4B-dipropanoate
• 55881-07-7
• C₄₅H₇₁NO₁₇
• 259-879-6
• 898.0417
• .

• L-Iditol,1,4:3,6-dianhydro-2-[[3-(2-chlorophenoxy)propyl]amino]-2-deoxy-, 5-nitrate,monohydrochloride (9CI)
• 81785-45-7
• C15H19 Cl N2 O6 . Cl H
• 0
• .

• L-Proline, methyl ester
• 2577-48-2
• C6H11 N O2
• 219-932-6
• 129.15704
• .

• L-Phenylalaninamide,glycyl-N-[2-[(aminocarbonyl)hydrazono]ethyl]- (9CI)
• 102579-48-6
• C14H20 N6 O3
• 380.4
• .

• Lanthanum, isotope ofmass 135
• 15816-85-0
• La
• 135
• .

• L-Isoleucine,N-[N-[N-[N-[N-[N-[N-[S-[(acetylamino)methyl]-N-(N-L-tyrosyl-L-threonyl)-L-cysteinyl]-L-seryl]-L-valyl]-L-seryl]-L-a-glutamyl]-L-tryptophyl]glycyl]-(9CI)
• 121637-29-4
• C54H78 N12 O18 S
• 0
• .

• L-Lyxose,5-deoxy-3-C-formyl- (9CI)
• 13008-73-6
• C6H10 O5
• .

• L-Phenylalanine,1-[(2S)-3-mercapto-2-methyl-1-oxopropyl]-L-prolyl- (9CI)
• 74259-08-8
• C18H24 N2 O4 S
• 0
• .

• L-Prolinamide,N-[(3-oxo-2-azabicyclo[3.1.0]hex-1-yl)carbonyl]-L-histidyl-
• 120083-46-7
• C17H22 N6 O4
• 0
• .

• L-glycero-D-galacto-Heptonicacid, 6-amino-6-deoxy-
• 14307-79-0
• C7H15 N O7
• .

• L-Phenylalanine,N-[(1,1-dimethylethoxy)carbonyl]glycyl-
• 4530-37-4
• C16H22 N2 O5
• 0
• .

• L-Alanine,3-(methyldithio)-
• 33784-54-2
• C4H9 N O2 S2
• 0
• .

• L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-
• 556-27-4
• C₆H₁₁NO₃S
• 209-118-9
• 177.2214
• .

• L-Phenylalanine,N-(1-oxotetradecyl)-
• 68792-49-4
• C₂₃H₃₇NO₃
• 375.54
• .

• Leucine,N-[[(2-aminophenyl)amino]thioxomethyl]-
• 125421-23-0
• C13H19 N3 O2 S
• 281.3739
• .

• L-Proline,1-(1-deoxy-D-mannitol-1-yl)-5-oxo- (9CI)
• 74474-75-2
• C11H19 N O8
• 0
• .

• L-Alanine,3-(2-pyridinyldithio)-, hydrazide (9CI)
• 134555-14-9
• C8H12 N4 O S2
• 0
• .

• Lysyl-ketoprofen
• 57469-78-0
• C₁₆H₁₄O₃^.C₆H₁₄N₂O₂
• 400.47
• .

• L-Valinamide,1-[[(2-chloroethyl)nitrosoamino]carbonyl]-L-prolyl-N6-[[(2-chloroethyl)nitrosoamino]carbonyl]-L-lysyl-L-prolyl-(9CI)
• 106039-77-4
• C27H44 Cl2 N10 O8
• 707.6065
• .

• Lyase, benzaldehyde
• 122097-01-2
• .

• L-Proline,N-[(2S,3R)-3-amino-2-hydroxy-1-oxo-4-phenylbutyl]-L-valyl-L-prolyl-4-hydroxy-,(4R)-
• 167290-77-9
• C25H36 N4 O7
• .

• L-Tryptophan,glycyl-L-asparaginyl-L-tryptophyl-L-histidylglycyl-L-threonyl-L-alanyl-L-prolyl-L-a-aspartyl-L-tryptophyl-L-valyl-L-tyrosyl-L-phenylalanyl-L-alanyl-L-histidyl-L-leucyl-L-seryl-L-methionyl-L-isoleucyl-(9CI)
• 166739-51-1
• C115H150 N28 O27 S
• .

• L-Glutamic acid,4-hydroxy-, (4S)-
• 3913-68-6
• C₅H₉NO₅
• 163.1287
• .

• L-chiro-Inositol,4-amino-1-[(aminoacetyl)methylamino]-3-O-[3-amino-6-(1-amino-5-hydroxypentyl)tetrahydro-2H-pyran-2-yl]-1,4-dideoxy-6-O-methyl-,[2R-[2a,3a,6b(S*)]]- (9CI)
• 116184-08-8
• C20H41 N5 O7
• 0
• .

• L-Prolinamide,L-tyrosyl-(2R)-2-amino-4-(methylsulfinyl)butanoylglycyl-4-nitro-L-phenylalanyl-(9CI)
• 73385-60-1
• C30H39 N7 O9 S
• 0
• .

• L-Cysteine,L-cysteinylglycyl-L-phenylalanyl-L-histidyl-L-phenylalanylglycylglycyl-L-seryl-L-a-aspartylglycyl-L-methionylglycyl-L-seryl-L-serylglycylglycyl-L-valyl-L-seryl-L-tryptophylglycyl-L-isoleucylglycylglycyl-L-a-aspartylglycyl-L-alanyl-L-alanyl-L-histidyl-,cyclic (1®29)-disulfide (9CI)
• 157676-97-6
• C111H154 N34 O38 S3
• .

• L-threo-Pentitol,1,2,3,4-tetradeoxy-2-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-1,4-epithio-
• 142941-57-9
• C9H12 N2 O3 S
• 228.2682
• .

• L-Alanine,N-[(phenylmethoxy)carbonyl]-, 4-nitrophenyl ester
• 1168-87-2
• C17H16 N2 O6
• 214-621-1
• 344.32
• .

• L-Phenylalaninamide,1-benzoyl-L-prolyl-N-[4-[(aminoiminomethyl)amino]-1-boronobutyl]-,monohydrochloride (9CI)
• 124216-01-9
• C26H35 B N6 O5 . Cl H
• .

• Litonit (9CI)
• 88161-48-2
• 0
• .

• L-Cysteine,N-acetyl-S-(1-carboxyethyl)-
• 105317-90-6
• C8H13 N O5 S
• 235.2575
• .

• L-Aspartic acid, L-a-aspartyl-L-a-aspartyl-L-a-glutamyl-
• 123354-91-6
• C17H24 N4 O13
• 0
• .

• Lanost-7-en-18-oicacid, 20-hydroxy-3-[(O-3-O-methyl-6-O-sulfo-b-D-glucopyranosyl-(1®3)-O-6-O-sulfo-b-D-glucopyranosyl-(1®4)-O-6-deoxy-b-D-glucopyranosyl-(1®2)-4-O-sulfo-b-D-xylopyranosyl)oxy]-23-oxo-, g-lactone, (3b)- (9CI)
• 125640-35-9
• C54H86 O31 S3
• 1327.437
• .

• L-Tyrosine, L-leucyl-,methyl ester, monohydrochloride (9CI)
• 26307-85-7
• C16H24 N2 O4 . Cl H
• 308.3728
• .

• L-Proline,L-arginyl-L-prolyl-
• 23815-91-0
• C16H28 N6 O4
• 368.4313
• .

• L-Cysteinamide,L-prolyl-4-iodo-L-phenylalanyl-N-[(1S,2R)-1-(cyclohexylmethyl)-2-hydroxy-3-(1-methylethoxy)-3-oxopropyl]-S-methyl-(9CI)
• 151638-32-3
• C31H47 I N4 O6 S
• .

• L-Phenylalaninamide,N-acetyl-L-alanyl-L-alanyl-L-prolyl-N-methyl- (9CI)
• 151657-05-5
• C23H33 N5 O5
• 0
• .

• Lithium,(2,3-dichlorophenyl)-
• 93942-36-0
• C6H3 Cl2 Li
• 300-588-1
• 152.93502
• .

• Lanost-8-en-26-oicacid, 3,15,28-trihydroxy-11,23-dioxo-, (3b,4b,15a)- (9CI)
• 100440-27-5
• C30H46 O7
• .

• L-Proline, ethyl ester
• 5817-26-5
• C7H13 N O2
• 0
• .

• L-Alanine,N-[5-(acetylamino)-2-chloro-4-[2-(2-cyano-4-nitrophenyl)diazenyl]phenyl]-,methyl ester
• 157707-95-4
• C19H17 Cl N6 O5
• 0
• .

• L-Aspartic acid,N-(phenylacetyl)-, 4-(phenylmethyl) ester, monopotassium salt (9CI)
• 65277-71-6
• C19H19 N O5 . K
• 0
• .

• L-Asparagine,N2-[(4-methylphenyl)sulfonyl]-
• 36212-66-5
• C₁₁H₁₄N₂O₅S
• 286.3043
• .

• L-Phenylalanine,N-acetyl-L-phenylalanyl-
• 10030-31-6
• C20H22 N2 O4
• 233-078-1
• 354.4
• .

• Lanost-8-en-30-oicacid, 3-[(O-b-D-galactopyranosyl-(1®2)-O-[b-D-galactopyranosyl-(1®3)]-b-D-galactopyranosyl)oxy]-25-methyl-24-methylene-, (3b)- (9CI)
• 139933-53-2
• C50H82 O18
• .

• Lanosta-8,20(22)-dien-26-oicacid, 3,7,15-trihydroxy-11,23-dioxo-, (3b,7b,15a,20E)-
• 100665-42-7
• C30H44 O7
• 0
• .