• L-Phenylalanine, b-hydroxy-, (bR)-
• 6254-48-4
• C₉H₁₁NO₃
• 228-383-1
• 181.19
• .

• L-Proline, 4-fluoro-,(4S)-
• 2438-57-5
• C₅H₈FNO₂
• 133.1209
• .

• L-Methioninamide,N-[3-[[2-[(4-azido-2-hydroxybenzoyl)amino]ethyl]dithio]-1-oxopropyl]-L-a-aspartyl-O-sulfo-L-tyrosyl-L-methionyl-L-threonyl-L-tryptophyl-N-[6-[[2-amino-2-oxo-1-(phenylmethyl)ethyl]amino]-6-oxohexyl]-(9CI)
• 124894-89-9
• C65H84 N14 O18 S5
• 0
• .

• L-Threonine,L-tyrosyl-L-prolyl-L-tryptophyl-
• 103930-64-9
• C29H35 N5 O7
• 0
• .

• L-Aspartic acid,N-[3-[(7S,8S)-3-carboxy-5-[2-[[(1S)-1,2-dicarboxyethyl]amino]-2-oxoethyl]-13-ethenyl-18-ethyl-7,8-dihydro-2,8,12,17-tetramethyl-21H,23H-porphin-7-yl]-1-oxopropyl]-
• 115150-47-5
• C42H46 N6 O12
• 0
• .

• L-Isoleucinamide,N,N-dimethyl-L-leucyl-L-phenylalanyl-3-hydroxyprolyl-N-[2-(4-hydroxyphenyl)ethenyl]-,cyclic (3®4)-ether (9CI)
• 163136-12-7
• C36H49 N5 O5
• .

• L-Alanine,L-cysteinyl-, bimol. (1®1')-disulfide (9CI)
• 20898-21-9
• C12H22 N4 O6 S2
• 382.46
• .

• L-Glutamine, N-[O-a-D-glucopyranosyl-(1®6)-O-b-D-glucopyranosyl-(1®6)-a-D-glucopyranosyl]- (9CI)
• 83235-86-3
• C23H40 N2 O18
• 0
• .

• L-Proline,N-[[(2S,3S)-3-(ethoxycarbonyl)-2-oxiranyl]carbonyl]-L-isoleucyl-
• 134447-97-5
• C17H26 N2 O7
• 0
• .

• L-Phenylalanine,mercaptoacetyl-L-phenylalanyl- (9CI)
• 110871-16-4
• C20H22 N2 O4 S
• 0
• .

• L-Histidinamide,N-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanyl-N-[2,3-dihydroxy-5-methyl-1-(2-methylpropyl)-4-[[[2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]amino]carbonyl]hexyl]-,[1S-[1R*,2S*,3S*,4S*(1R*,2R*)]]- (9CI)
• 107600-09-9
• C44H66 N8 O8
• 835.0436
• .

• L-Arginine,N-[3-(2-furanyl)-1-oxo-2-propenyl]-L-alanyl- (9CI)
• 76079-06-6
• C16H23 N5 O5
• 365.38
• .

• L-Phenylalaninamide,D-prolyl-L-glutaminyl-L-glutaminyl-3-(1-naphthalenyl)-D-alanyl-L-phenylalanyl-3-(1-naphthalenyl)-D-alanyl-L-leucyl-(9CI)
• 93490-35-8
• C65H77 N11 O10
• 0
• .

• L-Arginine,N-[(1,1-dimethylethoxy)carbonyl]-D-phenylalanyl-L-prolyl- (9CI)
• 74875-72-2
• C25H38 N6 O6
• 518.61
• .

• Letovicite((NH4)3H(SO4)2) (9CI)
• 24270-55-1
• H3N . 2/3 H2 O4 S
• 0
• .

• L-Alanine, 3-phosphono-
• 23052-80-4
• C₃H₈NO₅P
• 169.073081
• .

• L-Glutamic acid,4-carboxy-N-(4-carboxy-L-a-glutamyl)- (9CI)
• 64153-41-9
• C12H16 N2 O11
• 0
• .

• L-Valinamide,N-[2-(dimethylamino)benzoyl]glycyl-N-(2-carboxyphenyl)-N2-methyl- (9CI)
• 106283-19-6
• C24H30 N4 O5
• 0
• .

• L-Methionine,N-[(phenylmethoxy)carbonyl]glycyl-, methyl ester (9CI)
• 16084-32-5
• C16H22 N2 O5 S
• 354.4213
• .

• L-Phenylalaninamide,L-tyrosyl-D-alanylglycyl-N-[3-[[N-[N-(N-L-tyrosyl-D-alanyl)glycyl]-L-phenylalanyl]amino]propyl]-(9CI)
• 83916-02-3
• C49H62 N10 O10
• 0
• .

• L-Lysinamide,N2-[(7-methoxy-2-oxo-2H-1-benzopyran-4-yl)acetyl]-L-arginyl-L-prolyl-L-lysyl-L-prolyl-L-tyrosyl-L-alanyl-L-norvalyl-L-tryptophyl-L-methionyl-N6-(2,4-dinitrophenyl)-(9CI)
• 158584-08-8
• C79H105 N19 O19 S
• 1656.86
• .

• Leucomycin B (9CI)
• 102648-39-5
• .

• L-Phenylalaninamide,N-acetylphenylalanyl-N-[(1S)-1-(mercaptomethyl)-3-methylbutyl]- (9CI)
• 109084-06-2
• C26H35 N3 O3 S
• .

• L-Norleucinamide,D-prolyl-L-glutaminyl-L-glutaminyl-D-tryptophyl-L-phenylalanyl-D-tryptophyl-L-leucyl-(9CI)
• 89430-34-2
• C58H77 N13 O10
• 1116.31
• .

• L-Glutamine,N-[3-[(4-aminobutyl)amino]propyl]-
• 74141-49-4
• C12H26 N4 O3
• 0
• .

• Leptin
• 169494-85-3
• C₂₇H₃₃ClNNaO₂S
• 494.06419
• .

• L-Leucinamide,L-isoleucyl-L-asparaginyl-L-leucyl-L-lysyl-L-alanyl-L-leucyl-L-alanyl-L-alanyl-L-leucyl-L-alanyl-L-lysyl-L-alanyl-L-leucyl-
• 145854-59-7
• C67H124 N18 O15
• 1421.81
• .

• L-Valinamide,N-[(phenylmethoxy)carbonyl]-L-tyrosyl-N-[4-[[2-[[4-amino-2-hydroxy-1-(2-methylpropyl)-4-oxobutyl]amino]-1-methyl-2-oxoethyl]amino]-2-hydroxy-1-(2-methylpropyl)-4-oxobutyl]-,stereoisomer (9CI)
• 145031-45-4
• C41H62 N6 O10
• 798.9652
• .

• L-Cysteine,N-acetyl-S-(3-bromophenyl)-
• 113276-93-0
• C11H12 Br N O3 S
• 0
• .

• L-Asparagine,N2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-
• 1100-23-8
• C16H19 N3 O5 S
• 214-153-8
• 365.40416
• .

• Lanosta-8,20(22)-dien-26-oicacid, 7,15-dihydroxy-3,11,23-trioxo-, (7b,15a,20E)-
• 100665-40-5
• C30H42 O7
• 0
• .

• L-Cysteine, N-acetyl-,methyl ester, acetate (ester) (9CI)
• 19547-88-7
• C8H13 N O4 S
• 243-146-2
• 219.26
• .

• L-Phenylalanine,N-formyl-, 2-(aminocarbonyl)hydrazide
• 35858-70-9
• C11H14 N4 O3
• 0
• .

• L-Phenylalanine,N-[(4-aminophenyl)sulfonyl]-
• 133978-59-3
• C₁₅H₁₅N₂O₄S
• 320.36
• .

• L-Glutamic acid,N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-, monohydrate(9CI)
• 6745-93-3
• C20H22 N8 O5 . H2 O
• 257-482-2
• 0
• .

• L-Histidine, 2(or5)-iodo-
• 29468-23-3
• C6H8 I N3 O2
• 281.05109
• .

• L-Proline,L-alanyl-L-prolyl-
• 22049-75-8
• C13H21 N3 O4
• 244-755-6
• 283.32354
• .

• L-Tyrosine,L-arginyl-L-methionyl-L-asparaginyl-L-leucyl-L-glutaminyl-L-threonyl-L-leucyl-L-arginylglycyl-(9CI)
• 151204-04-5
• C53H90 N18 O15 S
• .

• L-Tyrosine,N-acetyl-L-phenylalanyl-3,5-diiodo-
• 3786-08-1
• C20H20 I2 N2 O5
• 223-254-6
• 622.19
• .

• Lysine, hydrochloride(1:?)
• 22834-80-6
• C6H14 N2 O2 . x Cl H
• 245-258-7
• 0
• .

• L-Leucinamide,N-[(phenylmethoxy)carbonyl]glycylglycyl-N-(4-methyl-2-oxo-2H-1-benzopyran-7-yl)-
• 97792-39-7
• C28H32 N4 O7
• 536.58
• .

• L-Leucine, N-(3-chloro-1,4-dihydro-1,4-dioxo-2-naphthalenyl)-, compd. with morpholine (1:1)
• 180179-68-4
• C₂₀H₂₅ClN₂O₅
• 0
• .

• L-Phenylalaninamide,N-[(1,1-dimethylethoxy)carbonyl]-L-methionyl-L-a-aspartyl-
• 5920-14-9
• C23H34 N4 O7 S
• 0
• .

• L-Isoleucinamide,N-methyl-L-phenylalanyl-(3S)-3-hydroxy-L-prolyl-N-[(1Z)-2-(4-hydroxyphenyl)ethenyl]-,cyclic (2®3)-ether (9CI)
• 149355-66-8
• C29H36 N4 O4
• .

• L-Isoleucine,N-[N-[2-[3-[[N2-formyl-L-glutaminyl-L-threonyl-4-(4-hydroxyphenyl)-L-2-aminobutanoyl]amino]-6-hydroxy-2-oxo-1-piperidinyl]-3-hydroxy-1-oxobutyl]-N,O-dimethyl-L-tyrosyl]-,r-lactone (9CI)
• 173429-62-4
• C46H64 N8 O14
• .

• L-Histidine,N-acetyl-L-phenylalanyl-L-phenylalanyl-, methyl ester (9CI)
• 62087-96-1
• C27H31 N5 O5
• 263-401-1
• 505.57
• .

• L-Lysine, homopolymer, hydrobromide
• 25988-63-0
• C₁₈H₃₈N₆O₄
• 246-168-0
• 0
• .

• L-Valine, L-lysyl-
• 20556-11-0
• C11H23 N3 O3
• 245.32
• .

• L-Tyrosine, 3-hydroxy-,4-(dihydrogen phosphate) (9CI)
• 101141-95-1
• C9H12 N O7 P
• 0
• .

• L-Alanine,3-[(1,1-dimethylethyl)dithio]-
• 30044-51-0
• C₇H₁₅NO₂S₂
• 250-012-7
• 209.33
• .