Figure 1

Mass-spectra deconvolution for HE₃-ZCAIX:2 (left) and DOTA-HE₃-ZCAIX:2 (right). The observed molecular weights of 7792 and 8422 Da, respectively, were in excellent agreement with the theoretical values (7793.5 and 8423.21 Da, respectively, calculated using https://web.expasy.org/protparam/tool).