6-[1-(2-hydroxypropylamino)ethylidene]cyclohexa-2,4-dien-1-one

3,4-二甲基色烯-2-酮

2H-1-苯并吡喃-2,4(3H)-二酮

羟基环己基乙酸

2-(N-methylanilino)-4-oxochromene-3-carbaldehyde