(E)-1,4-bis(4-chlorophenyl)but-2-ene-1,4-dione

2,4-二溴三甲基苯

(-)-双[(s)-1-(乙氧基羰基)乙基]富马酸

富马酸二乙酯

bis(2,4,6-trichlorophenyl) but-2-enedioate