The title tropinyl ester, 8-methyl-8-azabicyclo[3.2.1]oct-3-yl 2-isopr
opylbenzo[b]thiophene-3-carboxylate, is an analogue of the parasympath
omimetic neurotransmitter acetyl choline. The molecule is stabilized i
n the observed conformation by an intramolecular C ... O interaction.