1,2-二苯肼

4-[2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1,2-diphenyl-pyrazolidine-3,5-dione

[2-?(2-?甲基-?1,?3-?二氧戊环-?2-?基)?乙基]?-?丙二酸二乙酯

4-[(Z)-3-chlorobut-2-enyl]-1,2-diphenylpyrazolidine-3,5-dione

(3-chloro-but-2-enyl)-malonic acid diethyl ester