1-O-ethyl 6-O-methyl 3-(4-methoxyphenyl)-2-trimethylsilylhexa-2,4-dienedioate

(2E)-4-Oxo-2-butenoic acid

(Dimethoxy-phosphoryl)-acetic acid 2-trimethylsilanyl-ethyl ester

2-(三甲硅基)乙醇

3-oxabicyclo[3.2.0]hept-6-ene-2,4-dione