H4Dpaa

p-SCN-Bn-NOTA

p-SCN-Bn-DOTA

2-((4-Aminophenyl)methyl)nota tetrahydrochloride

"(S)-2-(4-aminobenzyl)

-1,4,7-triazacyclononane-N,N',N''-triacetic acid"

DOTA-NHS ester

DO3A-tBu-ester

HBED-CC-tris（tert-butyl ester）

DTPA-tetra(tBu)ester

Maleimide-DTPA

4-Formyl-N,N,N-trimethylanilinium triflate

Succinimidyl-Hynic hydrochloride

2,5-Dioxotetrahydro-1H-1-pyrrolyl-6-hydrazinonicotinate

"N,N,N-trimethyl-4-(((2,3,4,5,6-pentamethylbenzyl)oxy)

carbonyl)benzenaminium"

tetra-tert-butyl 2,2',2”,2”'-((3-(4-aminophenyl)propane-1,2-diyl)bis(azanetriyl))tetraacetate

EDTA

DTPA-tetra(t-Bu erter)

DOTA-GA anhydride

TRAP

tri-tert-butyl 2,2',2''-(10-(2-ethoxy-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate

2,2′-(((1R,2R)-2-((carboxymethyl)(4-(2-oxo-2-(2,3,5,6-tetrafluorophenoxy)ethyl)benzyl)amino)cyclohexyl)-azanediyl)diacetic acid

2-(4-((((1R,2R)-2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)-cyclohexyl)(2-(tert-butoxy)-2-oxoethyl)amino)methyl)-phenyl)acetic acid

2-(4-((((1S,2S)-2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)cyclohexyl)(2-(tert-butoxy)-2-oxoethyl)amino)methyl)phenyl)acetic acid

2-[[(1R,2R)-2-[bis(carboxymethyl)amino]cyclohexyl]-[[4-[2-[2-(2,5-dioxopyrrol-1-yl)ethylamino]-2-oxoethyl]phenyl]methyl]amino]acetic acid