((1-(4-nitrophenyl)ethoxy)methanetriyl)tribenzene

1-(4-硝基苯基)乙醇

3β-trityloxy-androst-5-en-17β-ol

1,1-二甲基硅杂环丁烷 二甲基三亚甲基硅烷

((1-(4-chlorophenyl)ethoxy)methanetriyl)tribenzene