(E)-N,N-diethyl-2,3-diphenylacrylamide

3,4-diphenylcyclobut-3-ene-1,2-dione

1,3-dimethylpyrido[2,3-d]pyrimidine-2,4-dione

1,3-dimethyl-6-(diethylaminomethyleneamino)-pyrimidine-2,4-dione

1-羟基菲