timolol

A beta-blocker drug, C₁₃H₂₄N₄O₃S, used in its maleate form to treat hypertension and glaucoma, and to prevent recurrence after myocardial infarction.

A particular kind of beta-adrenergic receptor blocker that is used to treat high blood pressure and prevent heart attacks.

a beta blocker (trade name Blocadren) administered after heart attacks