• L-Tryptophanamide,N-[(1,1-dimethylethoxy)carbonyl]-D-alanyl-L-tyrosyl-L-seryl-L-methionyl-L-a-glutamyl-L-histidyl-L-phenylalanyl-L-arginyl-N-(hydroxymethyl)-,1,1-dimethylethyl ester (9CI)
• 10022-12-5
• C67H94 N16 O16 S
• .

• L-Phenylalanine,N-[(2S,3R)-3-amino-2-hydroxy-1-oxo-4-phenylbutyl]-L-valyl-
• 187402-73-9
• C24H31 N3 O5
• 0
• .

• L-Cystine,N,N'-bis[(5-chloro-3,4-dihydro-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-
• 64398-40-9
• C28H26 Cl2 N2 O10 S2
• 685.5494
• .

• L-Histidine,N-[[6-[[[(2S)-2,3-diamino-3-oxopropyl]amino]methyl]-4-methoxy-2-pyridinyl]carbonyl]-b-(1,1-dimethylethoxy)-,1,1-dimethylethyl ester, (bR)- (9CI)
• 109889-14-7
• C25H39 N7 O6
• .

• Lead,bis(p-chlorophenyl)di-p-tolyl- (8CI)
• 6963-22-0
• C26H22 Cl2 Pb
• 0
• .

• L-Leucine,L-methionyl-L-alanyl-L-seryl-L-arginyl-L-alanyl-L-alanylglycyl-L-leucyl-L-alanyl-L-alanyl-L-arginyl-L-leucyl-L-alanyl-L-arginyl-L-leucyl-L-alanyl-L-leucyl-L-arginyl-L-alanyl-
• 169790-31-2
• C88H162 N32 O22 S
• .

• L-Aspartic acid,N-(1-methyl-3-oxo-1-butenyl)-, dipotassium salt (9CI)
• 75186-21-9
• C9H13 N O5 . 2 K
• 278-096-0
• 291.38394
• .

• L-Phenylalanine,L-arginylglycyl-L-a-aspartyl-
• 110697-46-6
• C21H31 N7 O7
• 0
• .

• Luteinizinghormone-releasing factor III (Petromyzon marinus) (9CI)
• 147859-97-0
• C59H74 N18 O14
• 0
• .

• Luteinizinghormone-releasing factor II (chicken) (9CI)
• 91097-16-4
• C60H69 N17 O13
• 0
• .

• L 9 (scintillator)(9CI)
• 107231-92-5
• 0
• .

• L-Lysine,N6-[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]-,hydrazide
• 102743-85-1
• C₁₆H₃₀N₆O₃S
• 386.5128
• .

• Leucomycin V, 9-acetate3,4B-dipropanoate
• 35457-78-4
• C43H69 N O16
• 0
• .

• L-Lyxonamide,4-[[2-[(6-amino-1-oxohexyl)amino]-3-methyl-1-oxobutyl]amino]-2,4,5-trideoxy-N-[2-methyl-1-[[(phenylmethyl)amino]carbonyl]propyl]-5-phenyl-2-[(phenylmethyl)amino]-,[1(S),4(S)]- (9CI)
• 161389-23-7
• C41H58 N6 O5
• 714.9364
• .

• L-Norvaline, 5-nitro-(9CI)
• 21753-92-4
• C5H10 N2 O4
• 0
• .

• L-Cysteine, mixt. withretinol, retinol acetate, sulfur and yeast (9CI)
• 79215-58-0
• C6H12 N2 O4 S2 . S .
• 0
• .

• L-Lysine, N6-L-g-glutamyl-
• 17105-15-6
• C₁₁H₂₁N₃O₅
• 275.3
• .

• L-Proline,1-[N,N-bis(carboxymethyl)glycyl]- (9CI)
• 93583-08-5
• C11H16 N2 O7
• 0
• .

• L-Arginine, N,b,b,1-tetramethyl-L-tryptophyl-3-methyl-L-valyl-(2E,4S)-2,5-dimethyl-4-(methylamino)-2-hexenoyl-(9CI)
• 169181-27-5
• C36H58 N8 O5
• .

• L-Cysteine,N-(2-methyl-1-oxopropyl)-
• 124529-02-8
• C7H13 N O3 S
• 191.25
• .

• L-Lysine,L-lysyl-L-lysyl-L-lysyl-
• 997-20-6
• C24H50 N8 O5
• 530.7
• .

• L-Alaninamide,N-(N-acetylmuramoyl)-L-alanyl-D-a-glutaminyl-
• 124389-07-7
• C22H38 N6 O11
• .

• L-Cysteine,S-(2-naphthalenyldiphenylmethyl)-
• 25840-84-0
• C26H23 N O2 S
• 413.5313
• .

• L-Alanine,L-methionyl-L-alanyl-L-prolyl-L-arginylglycyl-L-phenylalanyl-L-seryl-L-cysteinyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-threonyl-L-seryl-L-a-glutamyl-L-isoleucyl-L-a-aspartyl-L-leucyl-L-prolyl-L-valyl-L-lysyl-L-arginyl-L-arginyl-
• 330936-69-1
• C119H204 N34 O32 S2
• 2801.26
• .

• Lithium, di-m-fluorodi-
• 12265-82-6
• F2Li2
• 51.8788
• .

• L-Ornithine,N5-[imino(nitroamino)methyl]-N2-[(phenylmethoxy)carbonyl]-, nitroso derivs.
• 104639-60-3
• .

• L-Phenylalanine,L-phenylalanyl-L-methionyl-L-histidyl-L-asparaginyl-L-leucylglycyl-L-lysyl-L-histidyl-L-leucyl-L-seryl-L-seryl-L-methionyl-L-a-glutamyl-L-arginyl-L-valyl-L-a-glutamyl-L-tryptophyl-L-leucyl-L-arginyl-L-lysyl-L-lysyl-L-leucyl-L-glutaminyl-L-a-aspartyl-L-valyl-L-histidyl-L-asparaginyl-
• 101380-54-5
• C156H243 N47 O40 S2
• 0
• .

• L-Alanine, L-leucyl-L-a-glutamyl-L-methionyl-L-tyrosyl-L-lysyl-L-alanyl-L-prolyl-L-leucyl-L-lysyl-L-prolyl-L-alanyl-L-lysyl-L-seryl-(9CI)
• 123618-03-1
• C71H119 N17 O19 S
• 0
• .

• L-Cysteine,N-[(2R)-2-mercapto-1-oxopropyl]-
• 65027-09-0
• C6H11 N O3 S2
• 209.2864
• .

• L-Threoninamide,N-acetyl-D-phenylalanyl-L-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl-L-cysteinyl-,cyclic (2®7)-disulfide (9CI)
• 103237-51-0
• C52H69 N11 O11 S2
• 1088.3014
• .

• L-Aspartic acid,1,4-diethyl ester
• 13552-87-9
• C8H15 N O4
• 256-095-6
• 189.209
• .

• Lipochromine (9CI)
• 152923-59-6
• 0
• .

• L-Serine,N-[(phenylmethoxy)carbonyl]-O-[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]-, methyl ester
• 25644-83-1
• C26H34 N2 O13
• 582.5538
• .

• L-Methioninamide,O-sulfo-L-tyrosyl-D-alanylglycyl-L-phenylalanyl- (9CI)
• 92175-45-6
• C28H38 N6 O9 S2
• 0
• .

• L-Alaninamide,1-(2,2-dimethyl-1-oxopropyl)-L-prolyl-N2-methyl-N-(1-methylethyl)- (9CI)
• 77975-75-8
• C17H31 N3 O3
• 0
• .

• L-Ornithine,N2-[3-[[10-(2-hexylcyclopropyl)-2-hydroxy-1-oxodecyl]oxy]-1-oxohexadecyl]-(9CI)
• 61574-56-9
• C40H76 N2 O6
• 0
• .

• L-Threonine,(2S)-4-amino-2-[(6-methyl-1-oxooctyl)amino]butanoyl-L-threonyl-D-seryl-(2S)-2,4-diaminobutanoyl-(2S)-2,4-diaminobutanoyl-D-leucyl-L-threonyl-(2S)-2,4-diaminobutanoyl-(2S)-2,4-diaminobutanoyl-,(10®4)-lactam
• 10072-50-1
• C50H93 N15 O15
• 1144.58
• .

• L-Phenylalanine,N-[(phenylmethoxy)carbonyl]glycyl-
• 1170-76-9
• C19H20 N2 O5
• 214-626-9
• 356.3725
• .

• Lanost-8-en-3-ol, (3a,13a,14b,17a)- (9CI)
• 13879-09-9
• C30H52 O
• .

• Lanthanum, ion (La3+)
• 16096-89-2
• La
• 138.9038
• .

• L-Glutamic acid,N-[4-[2-(2,4-diamino-6-pteridinyl)ethoxy]benzoyl]-
• 78520-72-6
• C20H21 N7 O6
• 0
• .

• L-Tryptophanamide,L-histidyl-L-leucyl-L-a-aspartyl-L-isoleucyl-L-isoleucyl- (9CI)
• 122855-39-4
• C39H58 N10 O8
• 794.94
• .

• L-Argininamide,N-benzoyl-L-isoleucyl-L-a-glutamylglycyl-N-(4-nitrophenyl)-, monohydrochloride (9CI)
• 60457-00-3
• C32H43 N9 O9 . Cl H
• 0
• .

• L-Valinamide, N,b,b-trimethyl-L-tryptophyl-N-[(1S,2E)-3-carboxy-1-(1-methylethyl)-2-butenyl]-N-methyl-(9CI)
• 169181-25-3
• C28H42 N4 O4
• .

• Lithium,(3-hydroxy-1-propynyl)-, lithium salt (9CI)
• 60851-89-0
• C3H3 Li O . Li
• 262-474-7
• 66.92144
• .

• L-Tyrosine,N-[(phenylmethoxy)carbonyl]glycylglycyl-, methyl ester (9CI)
• 14317-81-8
• C22H25 N3 O7
• 0
• .

• L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, sodium salt(1:?)
• 15475-56-6
• C20H22 N8 O5 . x Na
• 239-495-5
• 476.48
• .

• L-Prolinamide,N-(pyrazinylcarbonyl)-L-valyl-L-valyl-N-(1-formylpropyl)-4-[(2-naphthalenylcarbonyl)oxy]-,(4R)- (9CI)
• 642090-80-0
• C35H42 N6 O7
• 658.744
• .

• L-Phenylalanine,L-methionyl-
• 14492-14-9
• C14H20 N2 O3 S
• 296.39
• .

• L-Tyrosine,N-[N-[N-[N-[N-[N-(4-bromophenyl)-N2-[N-[N-[[1-(2-hydroxy-1-oxopropyl)-2-piperidinyl]carbonyl]-N-methyl-L-valyl]-L-valyl]-N2-methyl-L-asparaginyl]-N-methyl-L-isoleucyl]-N-methyl-L-isoleucyl]glycyl]-N-methyl-L-valyl]-O-methyl-,d1-lactone, [R-(R*,S*)]- (9CI)
• 129816-93-9
• C63H95 Br N10 O13
• 1280.3916
• .