1-(1-adamantyl)pyrrole-2,5-dione

(Z)-4-(hydroxyamino)-4-oxobut-2-enoic acid

1-(pyridin-4-ylmethyl)pyrrole-2,5-dione

3-(2,5-二氧代-2,5-二氢-1H-吡咯-1-基)噻吩-2-羧酸甲酯

3-(4-Methoxyphenyl)-2,5-furandione