brimonidine alpha2-adrenergic drug molecule. used in treatment of open-angle glaucoma, ocular hypertension and rosacea

brimonidine brimonidin glaucoma ocular hypertension gel rosacea facial erythema vasoconstriction alpha a2 adrenergic agonist hydrogen carbon nitrogen bromine eye ophthalmology dermatology redness skin cheek disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular