This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All of the following drugs are used for the treatment of congestive heart failure except: 
Select and explain. 
A. Nitroglycerin, B. Spironolactone, C. Nesiritide, D. Trimetazidine
D: Trimetazidine
Answer: D: Trimetazidine 
Explanation: Trimetazidine is a partial fatty acid oxidation inhibitor used for angina pectoris.