Active metabolite of tremorine, q.v.: Cho et al., Biochem. Biophys. Res. Commun. 5, 276 (1961). Synthesis: Bebbington, Shakeshaft, J. Med. Chem. 8, 274 (1965); Nau, US 3444185 (1969 to Soc. Civile Auguil). Cholinergic agent, used experimentally as convulsant in study of parkinsonism: Cho et al., Proc. 2nd Int. Pharmacol. Meet. 2, 75 (1964).