Which of the following agents is used to measure glomerular filtration rate (GFR) –
In dynamic renal scintigraphy :-


GFR  → Tc - 99m - DTPA
Effective renal plasma flow → Tc-99m - MAG3, I - 123 - OIH.
Iodohippurate
Tc99m – DTPA
Tc99m – MAG3
Tc99m – DMSA