Tong, L., Li, W., Lo, M. M.-C., Gao, X., Wai, J. M.-C., Rudd, M., Tellers, D., Joshi, A., Zeng, Z., Miller, P., Salinas, C., Riffel, K., Haley, H., Purcell, M., Holahan, M., Gantert, L., Schubert, J. W., Jones, K., Mulhearn, J., … Mazzola, R. (2020). Discovery of [11 C]MK-6884: A Positron Emission Tomography (PET) Imaging Agent for the Study of M4Muscarinic Receptor Positive Allosteric Modulators (PAMs) in Neurodegenerative Diseases. Journal of Medicinal Chemistry, 63(5), 2411–2425.