NOTE: Includes single ingredient anticholinergic products used as antiparkinson agents (e.g.,benztropine,trihexyphenidyl (AU350)) and single ingredient anticholinergic products used as antispasmodics in the gastrointestinal tract (e.g.,glycopyrrolate). Excludes those products classified under selected cardiovascular (beta-blockers (CV100), alpha-blockers (CV150), antihypertensives (CV400,CV490)), respiratory (sympathomimetic bronchodilators (RE103), anticholinergic bronchodilators (RE105)), or ophthalmic (beta-blockers (OP101,OP107)) subclassifications; gastrointestinal tract antispasmodic combinations (GA802); and urinary tract antispasmodics (GU200).