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(a) Comparison of the synthesis duration of (+)-[11C]PHNO synthesis at room temperature (n = 16) and according to our previously published method including heating and cooling (n = 9). (b) Influence of the temperature at LAH addition on the isolated radiochemical yield not corrected for decay (22°C: n = 16, −15°C: n = 9, −40°C: n = 3).
