<prompt> Anticholinergic which is teiary amine is?ValethamateClidiniumGlycopyrolateHyoscine  <response>: Ans. is a i.e., Valethamate Anticholinergic drugs Natural alkaloids Atropine, Hyoscine Scopolamine. Semisvnthetic derivatives Homatropine, Atropine methonitrate, Hyoscine butyl bromide, Ipratropium bromide, Tiotropium bromide. Synthetic compounds a Mydriatics : Cyclopentolate, Tropicamide. b Antisecretory-antispasmodics : Quaternary compounds : Propantheline, Oxypheonium, Clidinium, Pipenzolate methyl bromide, Isopropamide. Glycopyrolate. Teiary amines : Dicyclomine, Valethamate, Pirenzepine c Vasicosective : Oxbutynin, Flavoxate, Toltcrodine. d Antiparkinsonian : Trihexphenidyl Benzhexol, Procyclidine. Biperiden. 