TARGETS
GPCRs a	Ligand‐gated ion channels b
ACh receptors (muscarinic)	Nicotinic ACh receptors
M1 receptor
M3 receptor

LIGANDS
Acetylcholine	Mecamylamine
Atropine	Pirenzepine
Bumetanide	Telenzepine
Darifenacin	Tetrodotoxin
Hexamethonium

These Tables list key protein targets and ligands in this article which are hyperlinked to corresponding entries in http://www.guidetopharmacology.org, the common portal for data from the IUPHAR/BPS Guide to PHARMACOLOGY (Southan et al., 2016) and are permanently archived in the Concise Guide to PHARMACOLOGY 2015/16 (^a,bAlexander et al., 2015a, 2015b).