Levitra Sex Pills Raw Powder Pharma Vardenafil Chemical Materials Man Sexual Satisfaction Vardenafil (Levitra) Basic Info: CAS: 224785-91-5 Aparência: White crystal powder What is Vardenafil (Levitra) ? Levitra is a popular erectile dysfunction (DE) medication of the phosphodiesterase 5 inhibitor (PED5) class of medications. Bayer, GlaxoSmithKline e Schering-Plough desenvolveram o medicamento para DE, mas a partir de 2005 A Bayer manteve todos os direitos. Levitra …