<prompt> Daltroban is antagonist of ?AngiotensinNitric oxideThromboxane A2Oxytocin  <response>: Ans. is c i.e., Thromboxane A2 Drug affecting TXA2 are : - Cox inhibitors like aspirin and other NSAIDS inhibit the synthesis of TXA2. Daltroban and sultraban are TXA2 receptor antagonists. Dazoxiben inhibit the enzyme thromboxane synthase. 