Tetra![3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one](https://thsciimg.chemcd.cn/TS18643.gif)
Chemical Name : 3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one
CAS : 69225-59-8
Synonyms: 1,4-Cyclohexanedione mono-2,2-dimethyltrimethylene acetal;1,4-Cyclohexanedione mono-2,2-dimethyltrimethylene ketal;3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-8-one;3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one
![3-[[[(2s,4s)-4-mercapto-1-(4-nitrobenzyloxy)carbonyl-2-pyrrolidinyl]carbonyl]amino]benzoic acid](https://thsciimg.chemcd.cn/TS82273.gif)
