Other Molecular Radiotracers of Cardiac Autonomic Nervous System
| Tracer | Preclinical/clinical | Target |
| 11C-CGP12177 | Clinical | β-adrenoceptors |
| 11C-CGP12388 | Clinical | β-adrenoceptors |
| 11C-GB67 | Preclinical | α-1 adrenoceptors |
| 11C-rolipram | Preclinical | Phosphodiesterase-4 (downstream signaling) |
| 11C-MQNB | Clinical | Muscarinic receptors |
MQNB = methylquinuclidinyl benzilate.