. 2019 Jun 28;24(13):2389. doi: 10.3390/molecules24132389

Table 1.

Elution conditions from the Sep-Pak to prepare [¹⁸F]FFNP.

Tracer	Amount of Precursor 1 or 2 (mg)	Solvent (0.5 mL)	Eluted from the Sep-Pak (%) ^a
[¹⁸F]FFNP	1.5	Acetonitrile	42
	3	Acetonitrile	71–79 ^b
	5	Acetonitrile	76
		DMF	40
		DMSO	49
		THF	36

^a Radiolabeling was performed with 0.37–0.74 GBq (10–20 mCi) of fluorine-18; ^b n ≥ 6.