2,2-二甲基-1,3-丙二醇

2,5,5-三甲基-2-丙基-1,3-二恶烷

2-oxo-5-pentanol 2',2'-dimethylpropylene ketal

5-lithio-2-pentanone 2',2'-dimethylpropylene ketal

2,2-bis(4-oxopentyl 2',2'-dimethylpropylene ketal)piperidine