1-(2H)-酞嗪酮

邻羧基苯甲醛

1(3H)-Isobenzofuranone, 3,3'-oxybis- (en)

3-羟基异吲哚啉-1-酮

N,N'-dimethyl-N-(3-oxo-1,3-dihydro-2-benzofuran-1-yl)thiourea