( R )- N -Methyl-3-(3′-[ 18 F]fluoropropyl)phenoxy)-3-phenylpropanamine ( 18 F-MFP3) as a potential PET imaging agent for norepinephrine transporter

( R )- N -Methyl-3-(3′-[ 18 F]fluoropropyl)phenoxy)-3-phenylpropanamine ( 18 F-MFP3) as a potential PET imaging agent for norepinephrine transporter