Ac	acetyl
ACE	bis(2-acetoxyethoxy)methyl
AMA	ammonia-methylamine solution
AZT	3′-azidothymidine
Bz	benzoyl
BzH	benzhydryloxybis-(trimethylsiloxy)silyl
cmnm5ges2U	5-carboxymethylaminomethyl-2-geranylthiouridine
cmnm5U	5-carboxymethylaminomethyluridine
cnm5U	5-cyanomethyluridine
CPG	controlled pore glass
ct6A	cyclic N6-threonylcarbamoyladenosine
dbf	dibutylaminomethylene
DBU	1,8-diazabicyclo [5.4. 0]undec-7-ene
DCM	dichloromethane
DIPEA	N,N-diisopropylethylamine
dmf	dimethylaminomethylene
DMTr	4,4′-dimethoxytrityl
DOD	bis(trimethylsiloxy)cyclododecyloxysilyl
DTT	dithiothreitol
EDC·HCl	1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide hydrochloride
EPR	electron paramagnetic resonance
ESI-MS	electrospray ionization mass spectrometry
FMN	flavin mononucleotide
Fpmp	1-(2-fluorophenyl)-4-methoxypiperidin-4-yl
geBr	geranyl bromide
ges2U	2-geranylthiouridine
H2U	4-pyrimidinone nucleoside
HEPES	4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid
HOBt	N-hydroxybenzotriazole
i6A	N6-isopentenyladenosine
iBu	isobutyryl
IE HPLC	ion-exchange high performance liquid chromatography
iEDDA	inverse electron demand Diels-Alder cycloaddition
inm5U	5-(isopentenylaminomethyl)uridine
m5s2U	5-methyl-2-thiouridine
m6A	N6-methyladenosine
MALDI-ToF-MS	matrix-assisted laser desorption/ionization-time of flight mass spectrometry
mcm5s2U	5-metoxycarbonylmethyl-2-thiouridine,
mnm5ges2U	5-methylaminomethyl-2-geranylthiouridine
mnm5s2U	5-methylaminomethyl-2-thiouridine
mnm5U	5-methylaminomethyluridine
ms2C	2-methylthiocytidine
ms2ct6A	2-methylthio cyclic N6-threonylcarbamoyladenosine
ms2i6A	2-methylthio-N6-isopentenyladenosine
ms2m6A	2-methylthio-N6-methyladenosine
ms2t6A	2-methylthio-N6-threonylcarbamoyladenosine
msms2i6A	2-methylthiomethylenethio-N6-isopentenyladenosine
NHS	N-hydroxysuccinimide
nm5U	5-aminomethyluridine
NMP	N-methyl-2-pyrrolidone
NPE	2-(2-nitrophenyl)ethyl
NPP	2-(2-nitrophenyl)propyl
OPiv	pivaloyloxyl
P(furyl)3	tri-2-furylphosphine
Pac	phenoxyacetyl
PAGE	polyacrylamide gel electrophoresis
Pd2(dba)3	tris(dibenzylideneacetone)dipalladium(0)
PELDOR	pulsed electron-electron double resonance
Pivom5U	5-pivaloyloxymethyluridine
R5H2U	5-substituted 4-pyrimidinone nucleoside
R5s2U	5-substituted 2-thiouridine
R5U	5-substituted uridine
Rb	ribose
RP HPLC	reverse-phase high performance liquid chromatography
rt	room temperature
s2U	2-thiouridine
s2Um	2′-O-methyl-2-thiouridine
s4dU	4-thio-2′-deoxyuridine
s4U	4-thiouridine
SNAr	nucleophilic aromatic substitution
t6A	N6-threonylcarbamoyladenosine
Tac	4-(tert-butylphenoxy)acetyl
TBAF	tetrabutylammonium fluoride
TBDMS	tert-butyldimethylsilyl
TBTA	tris[(1-benzy-1H-1,2,3-triazol-4-yl)methyl]amine
TC	1,1-dioxo-1l6-thiomorpholine-4-carbothioate
TEA	triethylamine
TEA×3HF	triethylamine trihydrofluoride
TEAA	triethylammonium acetate
TEAF	triethylammonium fluoride
TEG	triethylene glycol
TEMED	N,N,N′,N′-tetramethylethylenediamine
TEMPO	2,2,6,6-tetramethylpiperidin-1-oxyl
TEMPO-NH2	4-amino-2,2,6,6-tetramethylpiperidin-1-oxyl
TFP	tetrafluorophenol
THPTA	tris-[1-(3-hydroxypropyl)-1H-[1,2,3]triazol-4-yl)methyl]amine
TMS	trimethylsilyl
TMSE	2-(trimethylsilyl)ethyl
TOM	triisopropylsilyloxymethyl
TPA	2,2,5,5-tetramethylpyrrolin-1-yloxyl-3-acetylene
Tris-HCl	tris(hydroxymethyl)aminomethane hydrochloride
TSTU	N,N,N′,N′-tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate
τm5U	5-taurinomethyluridine
τm5s2U	5-taurinomethyl-2-thiouridine