Fig. 2From: Targeting fibroblast activation protein (FAP): next generation PET radiotracers using squaramide coupled bifunctional DOTA and DATA5m chelatorsStructural comparison of chelator-linker conjugates coupled with UAMC1110 (FAP inhibitor). a FAPI-04; b FAPI-21; c FAPI-46; d DOTA.SA.FAPi; e DATA5m.SA.FAPiBack to article page