5-异丙基异噁唑-4-羧酸

4-异丙基-2-嘧啶胺

ethyl 5-cyano-1,6-dihydro-2-isopropyl-6-oxo-3-pyridine carboxylate

5-cyano-2-isopropyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid