Monotrate, Vasotrate, Ismo, Imdur, Angicor), Isosorbide dinitrate (brand names: Sorbitrate, Isordil), Sublingual nitroglycerin tablets or spray (Angised, Angispan, GTN spray), Transdermal nitroglycerin patches or ointments (brand names: Top nitro, Nitroderm TTS, Myovin). Nitrates are also found in illicit drugs such as amyl nitrate (poppers). If you are not sure if any of your medicines contain nitrates, or if you do not understand what nitrates are ask you doctor or pharmacist.