2,4-dimethyl-5-(4-nitrophenyl)penta-2,4-dien-1-ol

Ethyl 2-methyl-3-(4-nitrophenyl)acrylate

对硝基苯甲醛

(2E,4E,6E)-ethyl 2,4,6-trimethyl-7-(4-nitrophenyl)hepta-2,4,6-trienoate