nnc112

Carsatrin is purinylpiperazine derivative. as cardiotonic and antiarrhythmic. Carsatrin acts as positive inotropic agent that increases twitch tension and prolongs the action potential (AP) duration of ventricular muscle without affecting the Na+, K+-ATPase, adenylyl cyclase, phosphodiesterase isozymes, or cardiac myofilaments. Carsatrin’s positive inotropic effect can be prevented by tetrodotoxin but not by the adrenergic antagonists timolol, yohimbine, or prazosin

(S)-Desmethyl-NNC112 ((+)-Desmethyl-NNC112) 是一种选择性 PET 放射性配体，可与 D-多巴胺受体结合。

NNC 112 is a selective dopamine D1 receptor antagonists.