the 10 mm muscle-strips from the guinea pig terminal ileum digitalis glycosides ( 0.4 microgram/ml beta-acetyl-digoxin or 0.5 microgram/ml k-strophanthin ) induce contractions which are dose-dependently and reversibly prevented by the calcium antagonist n- ( 2-benzyl-ethyl ) -n- ( 1-phenyl-ethyl ) -amine hydrochloride ( fendiline , sensit ) ( 0.01 -- 1 microgram/ml ) .
C0012253
digitalis glycosides
C0012265
digoxin