(1S,4R)-4-(2-trimethylsilylethoxycarbonyl)cyclobut-2-ene-1-carboxylate

2-(trimethylsilyl)ethyl [2,5-dihydro-5-oxo-2-furan]acetate

5-羟基呋喃-2(5H)-酮

(2'-Trimethylsilyl)aethoxycarbonylmethyliden-triphenylphosphoran

2-(三甲硅基)乙醇