2-bromomethyl-1,4-diphenyl-but-2c-ene-1,4-dione

2,5-二苯基呋喃

3-bromomethyl-2,5-diphenyl-furan

2-morpholinomethyl-1,4-diphenyl-but-2c(?)-ene-1,4-dione

二氧化硒