Which of following substances inhibit succinate dehydrogease in Kreb cycle?
Inhibitors of TCA Cycle

Aconitase noncompetitively inhibited by Flouroacetate 
Alpha Ketoglutarate Dehydrogenase noncompetitively inhibited by Arsenite 
Succinate Dehydrogenase is competitively inhibited by Malonate.(Inhibitor of complex II of ETC).

Harper 30th edition pg-162
Flouroacetate
Arsenite
Malonate
Fluoride