5-氨基-2-羟基苯乙酮

6-Amino-3,4-dihydro-1'-[2-(benzofurazan-5-yl)ethyl]-spiro[(2H)-1-benzopyran-2,4'-piperidine]-4-one

2H-吡喃-2-酮

N-(4-oxo-2-phenylchromen-6-yl)acetamide

6-氨基-2,2-二甲基-苯并二氢吡喃-4-酮