FOLH1 and prostate cancer: Glu–NH–CO–Lys–(Ahx)–[68Ga-HBED-CC] (HBED CC: N,N′-Bis(2-hydroxy-5-(ethylene-beta-carboxy)benzyl)ethylenediamine N,N′-diacetic acid (known also as 68Ga-PSMA-11) is perhaps the most widely used agent for prostate cancer PET/CT imaging.