• L-Isoleucine,N-[5-(2-furanyl)-3-oxo-4-pentenyl]-, butyl ester, (E)- (9CI)
• 159086-01-8
• C19H29 N O4
• 335.4379
• .

• L-Arginine,N2-[N-[N-[N2-[N-[N2-[N2-(N2-L-valyl-L-arginyl)-L-lysyl]-L-arginyl]-L-threonyl]-L-arginyl]-L-leucyl]-L-leucyl]-(9CI)
• 149017-68-5
• C51H100 N22 O11
• 0
• .

• L-Arabinitol,2,4-bis[[N-(N-acetyl-L-valyl)-L-valyl]amino]-1,2,4,5-tetradeoxy-1,5-diphenyl-(9CI)
• 129467-44-3
• C41H62 N6 O7
• 750.967
• .

• LAS 17177
• 67135-13-1
• C₂₅H₃₄N₄O₈
• 402.4873
• .

• L-Leucine,N-[N-[N-[[4-[(4-hydroxyphenyl)methyl]-2-methyl-5-oxo-1-imidazolidinyl]acetyl]glycyl]-L-phenylalanyl]-(9CI)
• 76157-62-5
• C30H39 N5 O7
• 0
• .

• L-Phenylalaninamide,N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl-L-alanyl-N-(1,2,3,4-tetrahydro-1,4-dioxo-6-phthalazinyl)-(9CI)
• 77303-12-9
• C28H34 N6 O7
• 0
• .

• L-Tyrosine,N-[N-[N-[N2-[N2-[[[4-[2-[4-(acetylamino)-2-sulfophenyl]ethenyl]-3-sulfophenyl]amino]thioxomethyl]-L-arginyl]-L-lysyl]-L-a-aspartyl]-L-valyl]-, monosodiumsalt (9CI)
• 107878-40-0
• C47H63 N11 O16 S3 . Na
• 0
• .

• L-Phenylalanine,N-acetyl-L-threonyl-L-leucyl-L-asparaginyl- (9CI)
• 137372-00-0
• C25H37 N5 O8
• 535.59
• .

• L-Proline,L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-L-prolyl-L-asparaginyl-L-alanyl-L-asparaginyl-(9CI)
• 119206-58-5
• C128H194 N48 O49
• 0
• .

• Lithium oxide (Li3O)(9CI)
• 69235-02-5
• Li3O
• 0
• .

• L-Tyrosine,L-tyrosyl-L-leucylglycyl-L-serylglycyl-, methyl ester
• 117667-25-1
• C32H44 N6 O10
• 0
• .

• L-Tryptophan,N-(3,7-diamino-2-hydroxy-1-oxoheptyl)-1-[(2-nitrophenyl)thio]-, methyl ester,[S-(R*,S*)]- (9CI)
• 138257-79-1
• C25H31 N5 O6 S
• 0
• .

• L-Tryptophan-b-14C
• 50373-34-7
• C11H12 N2 O2
• 206.2177
• .

• L-Arginine,L-arginyl-L-lysyl-L-phenylalanyl-L-histidyl-L-a-glutamyl-L-lysyl-L-histidyl-L-histidyl-L-seryl-L-histidyl-L-arginylglycyl-L-tyrosyl-(9CI)
• 127716-52-3
• C82H123 N33 O19
• .

• Lee Insta-Bond (9CI)
• 118216-75-4
• 0
• .

• L-Glutamic acid,L-valylglycyl-L-seryl-
• 61756-22-7
• C₁₅H₂₆N₄O₈
• 390.3889
• .

• L-Proline,1-[(2S)-2-methyl-3-(nitrosothio)-1-oxopropyl]-
• 122130-63-6
• C9H14 N2 O4 S
• 246.29
• .

• L-Threoninamide,D-alanyl-L-seryl-L-threonyl-L-threonyl-L-threonyl-L-asparaginyl-L-tyrosyl-
• 106362-34-9
• C35H56 N10 O15
• 856.88
• .

• L-Cysteine,S-(2-carboxypropyl)-
• 6852-42-2
• C7H13 N O4 S
• 0
• .

• L-Phenylalaninamide,L-lysyl-L-valyl-L-valyl-L-histidyl-L-leucyl-L-arginyl-L-prolyl-L-arginyl-L-seryl-L-seryl-L-phenylalanyl-L-seryl-L-seryl-L-a-glutamyl-L-a-aspartyl-L-a-glutamyl-L-tyrosyl-L-glutaminyl-L-isoleucyl-L-tyrosyl-L-leucyl-L-arginyl-L-asparaginyl-L-valyl-L-seryl-L-lysyl-L-tyrosyl-L-isoleucyl-L-glutaminyl-L-leucyl-L-tyrosylglycyl-L-arginyl-L-prolyl-L-arginyl-(9CI)
• 142191-57-9
• C202H313 N59 O54
• 0
• .

• L-Alanine,N-(N-L-alanyl-L-alanyl)-, 2-(4-pyridinylcarbonyl)hydrazide, dihydrochloride(9CI)
• 88874-01-5
• C15H22 N6 O4 . 2 Cl H
• 0
• .

• L-Alanine,N-acetyl-3-[(2-carboxyethyl)sulfinyl]-
• 115473-37-5
• C8H13 N O6 S
• 0
• .

• L-Threoninamide,L-2-aminobutanoyl-L-threonyl-L-asparaginyl-L-tyrosyl- (9CI)
• 123951-84-8
• C25H39 N7 O9
• 581.6187
• .

• L-Prolinamide,5-oxo-L-prolyl-1-methyl-L-histidyl-N-pentyl- (9CI)
• 107810-09-3
• C22H34 N6 O4
• 0
• .

• L-Methioninamide,D-prolyl-L-glutaminyl-L-glutaminyl-D-tryptophyl-L-valyl-D-tryptophyl-D-tryptophyl-(9CI)
• 86917-56-8
• C58H74 N14 O10 S
• 0
• .

• L-Threonine,N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosyl-L-prolylglycyl-L-phenylalanyl-L-leucyl-O-(1,1-dimethylethyl)-(9CI)
• 179124-36-8
• C44H64 N6 O11
• 0
• .

• L-Lysine,N2-[1-[N2-[N2-(N-L-valyl-L-alanyl)-L-lysyl]-L-lysyl]-L-prolyl]- (9CI)
• 137132-73-1
• C31H59 N9 O7
• 0
• .

• L-Alaninamide,N,N-diethyl-L-alanyl-N-(1-methyl-1-phenylethyl)- (9CI)
• 101623-02-3
• C19H31 N3 O2
• 333.4683
• .

• L-Valine, N-formyl-
• 4289-97-8
• C₆H₁₁NO₃
• 224-291-0
• 145.1564
• .

• L-Lysine,N2-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-N6-[[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)amino]thioxomethyl]-
• 83953-11-1
• C42H38 N10 O8 S
• 0
• .

• L-Threonine,N-(2,3-dihydroxybenzoyl)glycyl-, trimol. (2®2'),(2'®2''),(2''®2)-trilactone
• 95536-41-7
• C39H42 N6 O18
• 0
• .

• L-Alanine, L-g-glutamyl-
• 5875-41-2
• C8H14 N2 O5
• 218.21
• .

• L-Methioninamide,L-tryptophyl-L-alanyl-L-valylglycyl-L-histidyl-L-leucyl-
• 55749-98-9
• C38H57 N11 O7 S
• 811.99
• .

• L-Phenylalanine,N-[(phenylmethoxy)carbonyl]-, 1,2-dichloroethyl ester
• 64286-84-6
• C19H19 Cl2 N O4
• 396.2645
• .

• L-Isoleucine,L-tyrosyl-L-prolyl-L-phenylalanyl-L-prolylglycyl-L-prolyl-
• 72122-62-4
• C41H55 N7 O9
• 789.92
• .

• L-Leucine,L-methionyl-L-alanyl-L-seryl-L-arginyl-L-alanyl-L-alanylglycyl-L-leucyl-L-alanyl-L-arginyl-L-arginyl-L-leucyl-L-alanyl-L-arginyl-L-leucyl-L-alanyl-L-arginyl-L-arginyl-L-alanyl-
• 169790-33-4
• C91H170 N38 O22 S
• .

• L-a-Asparagine,N5-(aminocarbonyl)-N2-[(2Z)-1-oxo-2-decenyl]-D-ornithyl-L-seryl-N4-L-allothreonyl-(2S)-2,4-diaminobutanoyl-N-[(1S)-3-amino-1-(hydroxymethyl)-3-oxopropyl]-3-hydroxy-,(3S)- (9CI)
• 143552-99-2
• C35H62 N10 O14
• .

• L-Aspartic acid, L-a-glutamyl-
• 3918-84-1
• C9H14 N2 O7
• 262.22
• .

• L-Leucine,N-[N-[1-[N-(N-L-tyrosyl-L-methionyl)glycyl]-L-prolyl]-L-phenylalanyl]- (9CI)
• 88847-78-3
• C36H50 N6 O8 S
• 0
• .

• Leptin (human)
• 177404-21-6
• 0
• .

• L-Cysteine,N-acetyl-S-(4,4a,5,6,7,12,12a,12b-octahydro-4a,6,8,12a,12b-pentahydroxy-3-methyl-1,7,12-trioxobenz[a]anthracen-6a(1H)-yl)-
• 136286-50-5
• C24H25 N O11 S
• 0
• .

• L-Leucine,N-[N-[N-[N-[1-[N-[N2-[N-[N6-acetyl-N2-[N-(1-L-threonyl-L-prolyl)-L-a-glutamyl]-L-lysyl]-L-seryl]-L-glutaminyl]-L-threonyl]-L-prolyl]-L-leucyl]-L-valyl]-L-threonyl]-(9CI)
• 128531-63-5
• C60H102 N14 O21
• 1355.5331
• .

• Lup-20(29)-en-28-oicacid, 3-(sulfooxy)-, 28-(O-6-deoxy-a-L-mannopyranosyl-(1®4)-O-b-D-glucopyranosyl-(1®6)-b-D-glucopyranosyl) ester, (3a)- (9CI)
• 137553-03-8
• C48H78 O20 S
• 0
• .

• L-Methionine,N-(3-aminopropyl)-L-glutaminyl-L-phenylalanyl-L-phenylalanylglycyl-L-leucyl-,cyclic (6®1)-peptide (9CI)
• 102334-63-4
• C39H56 N8 O7 S
• 0
• .

• L-Phenylalanine,L-asparaginyl-L-leucyl-L-a-glutamyl-L-arginyl-L-a-glutamyl-L-cysteinyl-L-leucyl-L-a-glutamyl-L-a-glutamyl-L-prolyl-L-cysteinyl-L-seryl-L-arginyl-L-a-glutamyl-L-a-glutamyl-L-alanyl-, cyclic (6®11)-disulfide (9CI)
• 105931-25-7
• C84H130 N24 O32 S2
• 0
• .

• L-chiro-Inositol,4-amino-1,4-dideoxy-3-O-(2,6-diamino-2,3,4,6,7-pentadeoxy-b-L-lyxo-heptopyranosyl)-1-[[(formylamino)acetyl]methylamino]-6-O-methyl-(9CI)
• 74228-81-2
• C18H35 N5 O7
• 0
• .

• L-Glutamic acid,N-[(1,1-dimethylethoxy)carbonyl]-, 1,5-dimethyl ester
• 59279-60-6
• C₁₂H₂₁NO₆
• 275.30
• .

• L-Lysine, L-tryptophyl-
• 51790-14-8
• C17H24 N4 O3
• 0
• .

• L-Proline,1-[(2R)-3-(acetylthio)-2-methyl-1-oxopropyl]-
• 65167-28-4
• C11H17 N O4 S
• 265-586-4
• 259.32198
• .

• L-Phenylalaninamide,N-[2-[4-(sulfooxy)phenyl]acetyl]-L-norleucylglycyl-L-tryptophyl-L-norleucyl-N-methyl-L-a-aspartyl-
• 152548-39-5
• C47H60 N8 O13 S
• 977.0901
• .