172270-85-8
Acetic acid, 1,4-dioxaspiro[4.5]dec-8-ylidene-, methyl ester
→
~95%
317338-46-8
1,4-二噁螺[4.5]癸烷-8-乙酸甲酯
4746-97-8
1,4-环己二酮单乙二醇缩酮