Nicorandil BP Impurity A Catalogue N310261 CAS 65141-47-1 M.W 211.17 M.F C8H9N3O4 Specifications FAQs Nicorandil para-Isomer ; N-(2-Hydroxyethyl)isonicotinamide nitric ester ;N-[2-(Nitrooxy)ethyl]-4-pyridinecarboxamide ;