11c me@hapthi 11c me@hapthi me@hapthi is a radiotracer of the norepinephrine transporter for positron emission tomography. 11c me@hapthiidentifiers iupac name (s)-1-(3-hydroxy-4-(methylamino)butyl)-3-phenyl-1,3-dihydrobenzothiadiazole,2,2-dioxide chemical and physical dataformulac17h21n3o3smolar mass347.43 g·mol−13d model (jsmol)interactive image smiles nc(o)ccn1c2=c(c=cc=c2)n(c2=cc=cc=c2)s1(=o)=o