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).
1. siren song (or call). Used in reference to the appeal of something that is alluring but also potentially harmful or dangerous: a mountaineer who hears the siren song of K2. More example sentences. 1  Two minutes before curtain up, the performer hears the siren call of a proper job in a bank.iddle English (denoting an imaginary type of snake): from Old French sirene, from late Latin Sirena, feminine of Latin Siren, from Greek SeirÄn. More. In classical mythology the Sirens were bird-women whose beautiful singing lured sailors to their doom on submerged rocks.