FOLH1 and neoplasm: Compared with [68Ga]Ga-HTK03141, [68Ga]Ga-HTK03149 showed comparable uptake in PSMA-expressing tumor xenografts (23.1±6.11 vs 19.1±6.37 %ID/g, 1 h post-injection), but with greatly reduced uptake in normal organs/tissues including kidneys (170±26.4 vs 4.15±1.46 %ID/g, 1 h post-injection) and salivary glands (4.99±0.88 vs 0.22±0.06 %ID/g, 1 h post-injection) 12.