Tetra![(1S,5r)-(-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one](https://thsciimg.chemcd.cn/TS32603.gif)
Chemical Name : (1S,5r)-(-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one
CAS : 43119-28-4
Synonyms: (1S,5r)-(-)-2-oxabicyclo[3.3.0]oct-6-en-3-one;(1S,5r)-(-)-cis-2-oxabicyclo[3.3.0]oct-6-en-3-one;(1S,5r)-2-oxabicyclo[3.3.0]oct-6-en-3-one;(3Ar,6as)-3,3a,6,6a-tetrahydro-2h-1-oxapentalen-2-one;(3Ar,6as)-3,3a,6,6a-tetrahydro-2h-cyclopenta[b]furan-2-one
![3-(2,3-Dihydrobenzo[b][1,4]dioxin-7-yl)-1-phenyl-1h-pyrazole-5-carboxylic acid](https://thsciimg.chemcd.cn/TS61707.gif)