Fig. 1
Reaction conditions: i: Na2SO4, chloral hydrate, H2O, HCl, hydroxylamine hydrochloride 90 °C 2 h; ii H2SO4 85 °C 15 min; iii ethanol 110 °C 2 h
Fig. 1 | EJNMMI Radiopharmacy and Chemistry
Reaction conditions: i: Na2SO4, chloral hydrate, H2O, HCl, hydroxylamine hydrochloride 90 °C 2 h; ii H2SO4 85 °C 15 min; iii ethanol 110 °C 2 h