4CzBnBN	(2,3,4,6)-3-Benzyl-2,4,5,6-tetra(9H-carbazol-9-yl)benzonitrile
5-HT2A receptor	5-Hydroxy-tryptamine 2A receptor
AD	Alzheimer’s disease
ALS	Amyotrophic lateral sclerosis
Am	Molar activity
AMPA receptor	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor
BEMP	2-tert-butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine
CB2 receptor	Cannabinoid receptor type 2
CNS	Central nervous system
COX-1, -2	Cyclooxygenase-1, -2
CSF1	colony stimulating factor 1
CuTC	Copper(I) thiophene-2-carboxylate
DBAD	Di-tert-butyl azodicarboxylate
DBN	1,5-Diazabicyclo [4.3.0]non-5-ene
DBU	1,8-diazabicyclo [5.4.0]undec-7-ene
dc	Decay-corrected
DCC	N,N′-Dicyclohexylcarbodiimide
de	Diastereomeric excess
DMA	Dimethylacetamide
DMF	Dimethylformamide
DMSO	Dimethyl sulfoxide
DPSO	Diphenyl sulfoxide
d.r.	Diastereomeric ratio
dtbbpy	4,4’-Di-tert-butyl-2,2’-bipyridine
FIH	First-in-human
FMDS	Fluoride-mediated desilylation
HOSA	Hydroxylamine-O-sulfonic acid
HPLC	High-performance liquid chromatography
IPr	1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene)
K222	4,7,13,16,21,24-Hexaoxa-1,10-diazabicyclo [8.8.8]hexacosane
MAO-B	Monoamine oxidase B
mGluR5	Metabotropic glutamate receptor 5
mHTT	Mutant huntingtin protein
NMDA	N-methyl-D-aspartate
NMP	N-Methyl-2-pyrrolidone
PD	Parkinson’s disease
PDE7	Phosphodiesterase 7
PET	Positron emission tomography
ppy	2-Phenylpyridine
prec	precursor
quant.	quantitative
RCC	Radiochemical conversion
RCP	Radiochemical purity
RCY	Radiochemical yield
Ref.	Reference
rt	Room temperature
t1/2	Half-life
TBAT	Tetrabutylammonium difluorotriphenylsilicate
TBAI	Tetra-n-butylammonium iodide
TE	Trapping efficiency
THF	Tetrahydrofuran
TMEDA	Tetramethylethylenediamine
TMS	Trimetylsilyl
TrkB/C	Tropomyosin receptor kinase B/C
TSPO	Translocator protein