DRUG DESCRIPTION. ALPHAGANÂ® P (brimonidine tartrate ophthalmic solution) 0.1% or 0.15%, sterile, is a relatively selective alpha-2 adrenergic receptor agonist (topical intraocular pressure lowering agent).The structural formula of brimonidine tartrate is: 5-bromo-6-(2-imidazolidinylideneamino) quinoxaline L-tartrate; MW= 442.24.In solution, ALPHAGANÂ® P (brimonidine tartrate ophthalmic solution) has a clear, greenish-yellow color.rimonidine tartrate appears as an off-white to pale-yellow powder and is soluble in both water (0.6 mg/mL) and in the product vehicle (1.4 mg/mL) at pH 7.7.
Siren (noun). a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived. Odysseus ordered his crew to plug their ears so they would not hear the Siren's fatal song. enchantress, temptress, siren, Delilah, femme fatale (noun).
It is one tough siren with a reputation of providing years of reliable service. In fact, several thousands of them are still running the streets to this day alerting motorists of an approaching police officer, ambulance or other emergency rescue vehicle.