Ala

C3H5NO

Alainine diradical 

 Abu

C4H7NO

2-Aminobutyric acid diradical 

 Aib

C4H7NO

alpha-Aminoisobutyric acid diradical 

 Asu

C8H13NO3

alpha-Aminosuberic acid diradical 

 Arg

C6H12N4O

Arginine diradical 

 Asn

C4H6N2O2

Asparagine diradical 

 Asp

C4H5NO3

Aspartic acid diradical 

 Phepcl

C9H8ClNO

4-Chlorophenylalanine diradical 

 Cit

C6H11N3O2

Citrulline diradical 

 Cha

C9H15NO

beta-Cyclohexylalanine diradical 

 Cys

C3H5NOS

Cysteine diradical 

 Glu

C5H7NO3

Glutamic acid diradical 

 Gln

C5H8N2O2

Glutamine diradical 

 Gly

C2H3NO

Glycine diradical 

 His

C6H7N3O

Histidine diradical 

 Hci

C7H13N3O2

Homocitrulline diradical 

 Hser

C4H7NO2

Homoserine diradical 

 Hyp

C5H7NO2

Hydroxyproline diradical 

 Pro

C5H7NO

Proline diradical 

 Valoh

C5H9NO2

beta-Hydroxyvaline diradical 

 Ile

C6H11NO

Isoleucine diradical 

 Leu

C6H11NO

Leucine diradical 

 Lys

C6H12N2O

Lysine diradical 

 Met

C5H9NOS

Methionine diradical 

 Nle

C6H11NO

Norleucine diradical 

 Nva

C5H9NO

Norvaline diradical 

 Orn

C5H10N2O

Ornithine diradical 

 Pen

C5H9NOS

Penicillamine diradical 

 Phe

C9H9NO

Phenylalanine diradical 

 Phg

C8H7NO

Phenylglycine 

 Pyr

C5H5NO2

Pyroglutamine 

 Glp

C5H5NO2

Pyroglutamine 

 Sar

C3H5NO

Sarcosine diradical 

 Ser

C3H5NO2

Serine diradical 

 Sta

C8H15NO2

Statine diradical 

 Thi

C7H7NOS

beta-(2-thenyl)alanine 

 Thr

C4H7NO2

Threonine diradical 

 Trp

C11H10N2O

Tryptophan diradical 

 Tyr

C9H9NO2

Tyrosine diradical 

 Val

C5H9NO

Valine 

 Asup

C8H12NO3

alpha-Aminosuberic acid triradical 

 Argp

C6H11N4O

Arginine triradical 

 Asnp

C4H5N2O2

Asparagine triradical 

 Aspp

C4H4NO3

Aspartic acid triradical 

 Citp

C6H10N3O2

Citrulline triradical 

 Cysp

C3H4NOS

Cysteine triradical 

 Glup

C5H6NO3

Glutamic acid triradical 

 Glnp

C5H7N2O2

Glutamine triradical 

 Hisp

C6H6N3O

Histidine triradical 

 Hcip

C7H12N3O2

Homocitrulline triradical 

 Hserp

C4H6NO2

Homoserine triradical 

 Hypp

C5H6NO2

Hydroxyproline triradical 

 Valohp

C5H8NO2

beta-Hydroxyvaline triradical 

 Lysp

C6H11N2O

Lysine triradical 

 Ornp

C5H9N2O

Ornithine triradical 

 Penp

C5H8NOS

Penicillamine triradical 

 Serp

C3H5NO2

Serine triradical 

 Stap

C8H14NO2

Statine triradical 

 Thrp

C4H6NO2

Threonine triradical 

 Trpp

C11H9N2O

Tryptophan triradical 

 Tyrp

C9H8NO2

Tyrosine triradical 

 Acm

C3H6NO

Acetamidomethyl 

 Acet

C2H3O

Acetyl 

 Adao

C10H15O

Adamantyloxy 

 Bz

C7H5O

Benzoyl 

 Bzl

C7H7

Benzyl 

 Bzlo

C7H7O

Benzyloxy 

 Z

C8H7O2

Benzyloxycarbonyl 

 Bom

C8H9O

Benzyloxymethyl 

 Brz

C8H6BrO2

2-Bromobenzyloxycarbonyl 

 Tbuo

C4H9O

t-Butoxy 

 Boc

C5H9O2

t-Butoxycarbonyl 

 Bum

C5H11O

t-Butoxymethyl 

 Tbu

C4H9

t-Butyl 

 Tbuthio

C4H9S

t-Butylthio 

 Clz

C8H6ClO2

2-Chlorobenzyloxycarbonyl 

 Chxo

C6H11O

Cyclohexyloxy 

 Mbh

C15H15O2

4,4'-Dimethoxybenzhydryl 

 Ivdde

C14H21O2

1-[4,4-dimethyl-2,6-dioxocyclohexylidene)3-methylbutyl 

 Dnp

C6H3N2O4

2,4-Dinitrophenyl 

 Fmoc

C15H11O2

Fluorenylmethoxycarbonyl 

 For

CHO

Formyl 

 Mts

C9H11O2S

Mesitylene-2-sulphonyl 

 Meobzl

C8H9O

4-Methoxybenzyl1-[4,4-dimethyl-2,6-dioxocyclohexylidene)3-methylbutyl 

 Mtr

C10H13O3S

4-Methoxy-2,3,6-trimethylbenzenesulphonyl 

 Mmt

C20H17O

4-Methoxytrityl 

 Mebzl

C8H9

4-Methylbenzyl 

 Mtt

C20H17

4-Methyltrityl 

 Npys

C5H3O2N2S

3-Nitro-2-pyridinesulphenyl 

 Pmc

C14H19O3S

2,2,5,7,8-Pentamethylchroman-6-sulphonyl 

 Tos

C7H7O2S

Tosyl 

 Tfa

C2F3O

Trifluoroacetyl 

 Tacm

C6H12NO

Trimethylacetamidomethyl 

 Trt

C19H15

Trityl 

 Xan

C13H9O

Xanthyl 

 Mtc

S1O3H19C14

2,2,5,7,8-pentamethylchroman-6-sulphonyl 

 Pbf

S1O3H17C13

2,2,4,6,7-pentamethyldihydrobenzofurane-5-sulfonyl 

 Dde

O2H13C10

Dde 

 Tbdms

C6H15Si

t-Butyldimethylsilyl 

 Tips

C9H21Si

Triisopropylsilyl 

 Tms

C3H9Si

Trimethylsilyl 

 D

[2H]

Deuterium 

 Ph

C6H5

Phenyl 

 Me

CH3

Methyl 

 Et

C2H5

Ethyl 

 Bu

C4H9

Butyl 

 Odmab

C20H26NO3

Odmab 

 Cp

C5H5

Cyclopentadienyl