I-2-Amino-5-nitropyridine CAS 4214-76-0 itholakala ku-nitrate ye-2-aminopyridine. Ezingeni lokushisa elingu-50 °C, i-2-aminopyridine yanezelwa ku-concentrated sulfuric acid, kwase kwengezwa i-nitric acid evuthayo, futhi izinga lokushisa alidluli ku-50 °C. Fukamela ku-45°C amahora angu-2, bese ugoqa ekamelweni lokushisa amahora angu-4. Isixazululo sokusabela sithelwa eqhweni elichotshoziwe, futhi i-pH yalungiswa yaba ngu-6 ngokungeza amanzi e-ammonia ngaphansi kuka-5 ° C, futhi amakristalu ancipha. Hlunga futhi wome. Ukuvuselela kabusha ngamanzi ukuze uthole ama-platelet aphuzi aphuzi, khiqiza ama-75%