• L-Cysteinamide,N-acetyl-3-mercapto-D-valyl-L-arginylglycyl-L-a-aspartyl-, cyclic (1®5)-disulfide (9CI)
• 145706-74-7
• C22H37 N9 O8 S2
• 0
• .

• L-Proline,L-prolyl-L-valyl-L-lysyl-L-valyl-L-tyrosyl-
• 99570-17-9
• C35H55 N7 O8
• 0
• .

• L-Lyxonamide,2,4,5-trideoxy-4-[[3,3-dimethyl-1-oxo-2-[[(1,3,4-thiadiazol-2-ylthio)acetyl]amino]butyl]amino]-N-[1-[[[(2-hydroxy-4-methoxyphenyl)methyl]amino]carbonyl]-2-methylpropyl]-2-[[(4-methoxyphenyl)methyl]amino]-5-phenyl-,[1(S),4(S)]- (9CI)
• 169305-70-8
• C42H55 N7 O8 S2
• 850.0582
• .

• L-Argininamide,N-benzoyl-L-valylglycyl-N-(4-nitrophenyl)-, monohydrochloride (9CI)
• 64815-80-1
• C26H34 N8 O6 . Cl H
• 591.06
• .

• L-Tyrosine,N-(bromoacetyl)-O-(4-hydroxy-3-iodophenyl)-3,5-diiodo- (9CI)
• 76970-94-0
• C17H13 Br I3 N O5
• 0
• .

• L-Arginine,glycyl-N2-ethyl-L-lysyl-L-prolyl-
• 169543-49-1
• C21H40 N8 O5
• 484.5929
• .

• L-Arginine, N-a-D-ribofuranosyl-, P'®5'-ester with adenosine5'-(trihydrogen diphosphate)
• 71388-78-8
• C21H35 N9 O15 P2
• 0
• .

• L-Lysine,L-prolyl-L-histidyl-L-prolyl-L-phenylalanyl-L-histidyl-(3S,4S)-4-amino-3-hydroxy-6-methylheptanoyl-L-valyl-L-isoleucyl-L-histidyl-(9CI)
• 90145-64-5
• C62H93 N17 O12
• 0
• .

• L-Lysine, (11b)-11,17-dihydroxy-3,20-dioxopregn-4-en-21-ylester (9CI)
• 95924-98-4
• C27H42 N2 O6
• 0
• .

• L-Proline,1-[(5-bromo-3-pyridinyl)carbonyl]-
• 126581-82-6
• C11H11 Br N2 O3
• 299.12
• .

• L-Glutamamide,S-[(2R)-2,3-bis[(1-oxododecyl)oxy]propyl]-N-(1-oxohexadecyl)-L-cysteinyl-N1,N5-bis(2-sulfoethyl)-,sodium salt (1:2)
• 150496-14-3
• C55H104 N4 O14 S3 . 2 Na
• 1185.61619
• .

• L-Proline,N-(cyclohexylcarbonyl)-D-alanyl-(2S)-3-mercapto-2-methylpropanoyl-, calciumsalt (2:1)
• 85921-53-5
• C19H30 N2 O5 S . 1/2 Ca
• 835.10
• .

• L-Aspartic acid,1,4-diethyl ester, hydrochloride (1:1)
• 16115-68-7
• C₈H₁₆ClNO₄
• 225.67
• .

• L-Glutamic acid,N-(3-carboxy-1-oxopropyl)-
• 33981-72-5
• C9H13 N O7
• 0
• .

• L-Leucine,L-histidyl-L-a-aspartyl-L-a-glutamyl-
• 129623-52-5
• C21H32 N6 O9
• 512.5136
• .

• L-Lysinamide,L-histidyl-D-arginyl-L-alanyl-L-tryptophyl-D-phenylalanyl-
• 123689-72-5
• C41H58 N14 O6
• 0
• .

• L-Cysteine,N-[2,2-dimethyl-3-(nitrooxy)-1-oxopropyl]-, ethyl ester
• 130432-17-6
• C10H18 N2 O6 S
• 0
• .

• L-Proline,1-[(2S,3S)-3-[[(2S)-4-amino-1,4-dioxo-2-[[(phenylmethoxy)carbonyl]amino]butyl]amino]-2-hydroxy-4-phenylbutyl]-,1,1-dimethylethyl ester
• 127852-91-9
• C31H42 N4 O7
• 582.6878
• .

• L-Glutamic acid,5-(5-O-phosphono-D-ribofuranosyl) ester (9CI)
• 89026-42-6
• C10H18 N O11 P
• 0
• .

• L-Prolinamide,5-oxo-L-prolyl-L-asparaginyl-L-phenylalanyl-L-histidyl-L-leucyl-L-arginyl-(9CI)
• 149471-13-6
• C41H60 N14 O9
• 0
• .

• L-glycero-D-altro-Pentadec-14-en-7-ulo-7,4-furanosonicacid,2,7-anhydro-3,4-di-C-carboxy-8,9,10,12,13,14,15-heptadeoxy-12-methyl-15-phenyl-,11-acetate 5-decanoate, (7S,11x,12x,14E)- (9CI)
• 155179-15-0
• C36H50 O14
• 0
• .

• L-Phenylalanine,D-alanyl-
• 3061-95-8
• C12H16 N2 O3
• 236.27
• .

• L-Glutamic acid,N-[(5-chloro-3,4-dihydro-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-
• 64398-42-1
• C16H16 Cl N O7
• 369.7537
• .

• Lanost-8-ene-2,3,21,25-tetrol,21,24-epoxy-, 3,21-diacetate 2-[4-hydrogen(2S)-2-hydroxy-2-methylbutanedioate], (2a,3b,20S,24R)- (9CI)
• 167875-44-7
• C39H60 O11
• .

• L-Methioninamide,L-arginyl-L-serylglycyl-L-prolyl-L-prolylglycyl-L-leucyl-L-glutaminylglycyl-L-arginyl-L-leucyl-L-glutaminyl-L-arginyl-L-leucyl-L-leucyl-L-glutaminyl-L-alanyl-L-serylglycyl-L-asparaginyl-L-histidyl-L-alanyl-L-alanylglycyl-L-isoleucyl-L-leucyl-L-threonyl-
• 205640-91-1
• C123H212 N44 O35 S
• 0
• .

• L-Proline,1-[3-[(1-ethyl-2,5-dioxo-3-pyrrolidinyl)sulfonyl]-2-methyl-1-oxopropyl]-
• 109350-28-9
• C15H22 N2 O7 S
• 0
• .

• L-Tyrosine,N-[(2Z)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propen-1-yl]-3-hydroxy-
• 53755-03-6
• C18H17 N O7
• 0
• .

• Luteinizinghormone-releasing factor (swine), 5-L-histidine-
• 101509-59-5
• C52H73 N19 O12
• .

• L-a-Asparagine,N-[(1,1-dimethylethoxy)carbonyl]-O-sulfo-L-tyrosyl-L-norleucylglycyl-L-tryptophyl-L-norleucyl-N-(2-phenylethyl)-(9CI)
• 117829-60-4
• C51H68 N8 O14 S
• 0
• .

• L-Ornithinamide,glycylglycyl-L-cysteinyl-L-tyrosyl-L-phenylalanyl-L-valyl-L-asparaginyl-L-cysteinyl-L-prolyl-,cyclic (3®8)-disulfide (9CI)
• 113846-98-3
• C47H67 N13 O12 S2
• 0
• .

• L-Aspartic acid,N,N-bis(phosphonomethyl)-
• 70008-54-7
• C6H13 N O10 P2
• 321.1156
• .

• L-Arginine,L-seryl-trans-4-propoxy-D-prolyl-L-(2a,3ab,7ab)-octahydro-1H-indole-2-carbonyl-(9CI)
• 148383-08-8
• C26H45 N7 O7
• 0
• .

• L-Methionine,L-histidyl-L-lysyl-L-threonyl-L-a-aspartyl-L-seryl-L-phenylalanyl-L-valylglycyl-L-leucyl-
• 102989-34-4
• C50H79 N13 O15 S
• 0
• .

• Lasofoxifene tartrate
• 190791-29-8
• C₂₈H₃₁NO₂^.C₄H₆O₆
• 0
• .

• L-Valinamide,N,N-dimethyl-L-valyl-N-[(1S,2R)-4-[(2S)-2-[(1R,2R)-3-[[(1S)-1-[4-[(ethylamino)carbonyl]-2-thiazolyl]-2-phenylethyl]amino]-1-methoxy-2-methyl-3-oxopropyl]-1-pyrrolidinyl]-2-methoxy-1-[(1S)-1-methylpropyl]-4-oxobutyl]-N-methyl-(9CI)
• 159255-70-6
• C45H73 N7 O7 S
• .

• L-Leucine,L-alanyl-L-cysteinyl-L-lysylglycyl-L-valyl-L-phenylalanyl-L-a-aspartyl-L-alanyl-L-cysteinyl-L-threonyl-L-prolylglycyl-L-lysyl-L-asparaginyl-L-a-glutamyl-L-cysteinyl-L-cysteinyl-L-prolyl-L-asparaginyl-L-arginyl-L-valyl-L-cysteinyl-L-seryl-L-a-aspartyl-L-lysyl-L-histidyl-L-lysyl-L-tryptophyl-L-cysteinyl-L-lysyl-L-tryptophyl-L-lysyl-
• 151353-29-6
• C161H252 N48 O44 S6
• .

• L-erythro-L-glycero-D-altro-7-Trideculo-7,4-furanosonicacid,2,7-anhydro-3,4-di-C-carboxy-8,9,10,12,13-pentadeoxy-10-methylene-13-(phenylmethyl)-,5-[(2E)-4-hydroxy-4,6-dimethyl-2-octenoate], (7S)- (9CI)
• 158111-68-3
• C33H44 O14
• .

• Leucomycin V,9-O-[(2R,5S,6R)-5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl]-,4B-acetate 3-propanoate
• 112501-15-2
• C48H80 N2 O16
• 941.1526
• .

• L-Tryptophan, ethylester
• 7479-05-2
• C₁₃H₁₆N₂O₂
• 231-285-1
• 268.74
• .

• Lead, isotope of mass205
• 14119-28-9
• Pb
• 204.9745
• .

• L-Tyrosine, L-tyrosyl-
• 1050-28-8
• C18H20 N2 O5
• 344.36
• .

• L-Tyrosine,2-hydroxy-6-methyl- (9CI)
• 3184-42-7
• C10H13 N O4
• .

• L-Arginine, N2-acetyl-,ethyl ester, hydrochloride (1:1)
• 74802-30-5
• C10H20 N4 O3 . Cl H
• 278-002-8
• 280.7517
• .

• L-Tryptophan,glycyl-L-asparaginyl-L-tryptophyl-L-histidylglycyl-L-threonyl-L-seryl-L-prolyl-L-a-aspartyl-L-tryptophyl-L-phenylalanyl-L-phenylalanyl-L-asparaginyl-L-tyrosyl-L-tyrosyl-,(9®1)-lactam
• 151309-36-3
• C103H115 N23 O24
• .

• L-Tyrosine,N-(4-azido-2,3,5,6-tetrafluorobenzoyl)-
• 131238-01-2
• C16H10 F4 N4 O4
• 0
• .

• Lup-20(30)-en-29-al,1,3,11-trihydroxy-, (1b,3b,11a)- (9CI)
• 151606-23-4
• C30H48 O4
• .

• L-Phenylalanine,L-tyrosyl-L-prolyl-, 2-(L-tyrosyl-L-prolyl-L-phenylalanyl)hydrazide (9CI)
• 88191-66-6
• C46H54 N8 O8
• 0
• .

• L-LYSINE, MONO(alpha-METHYL-4-(2-THIENYLCARBONYL)BENZENEACETATE)
• 69317-48-2
• C₂₀H₂₆N₂O₅S
• 0
• .

• L-Proline,1-[N-[N-[1-(N-L-tyrosylglycyl)-L-prolyl]glycyl]-L-phenylalanyl]- (9CI)
• 137372-38-4
• C32H40 N6 O8
• 0
• .

• L-Glutamic acid,N-[4-[(3-pyridinylmethyl)amino]benzoyl]-, diethyl ester (9CI)
• 25119-44-2
• C22H27 N3 O5
• 413.4669
• .