FOLH1 and neoplasm: Next, a comparison of tumor uptake and blocking experiments of [18F]AlF-PSMA-FAPI-01 and [18F]AlF-PSMA-FAPI-02 and the corresponding monomers [18F]FAPI-42 and [18F]AlF-PSMA-BCH were performed with mice bearing 22Rv1 or A549-FAP tumors (Figure 7).