1,1-二羟基双环己基

ethyl 2-oxo-1-oxaspiro[4,5]decane-4-carboxylate

[1,1′-二环戊基]-1,1'-二醇

2-环亚戊基环戊酮

ethyl 2-oxo-1-oxaspiro[4.4]nonane-4-carboxylate