(2Z,3Z)-2,3-bis(phenylhydrazinylidene)propanoic acid

2,3-二氧代琥珀酸

bis(2,5-dioxopyrrolidin-1-yl) 2-oxobutanedioate

4-[(E)-丁-2-烯酰基]-3-甲氧基-5-甲基苯甲酸

3.3-Diphenyl-hydrindon-(1)