2H-Imidazol-2-one, 4-ethyl-1,3-dihydro-5-(4-pyridinylcarbonyl)- 4-Ethyl-5-isonicotinoyl-4-imidazolin-2-one 84490-12-0 MDL 19,205 PIROXIMONE HYDROCHLORIDE Piroximona [Spanish] Piroximone Piroximone [USAN:BAN:INN] Piroximonum [Latin]