Tetra![9,10-Dihydro-8h-benzo[b]naphtho[2,3-d]thiophen-7-one](https://thsciimg.chemcd.cn/TS28372.gif)
Chemical Name : 9,10-Dihydro-8h-benzo[b]naphtho[2,3-d]thiophen-7-one
CAS : 20841-54-7
Synonyms: 8,9,10-Trihydronaphtho[2,3-b]benzo[b]thiophen-7-one;9,10-Dihydro-8h-benzo[b]naphtho[2,3-d]thiophen-7-one;9,10-Dihydrobenzo[b]naphtho[2,3-b]thiophen-7(h)-one;9,10-Dihydronaphtho[2,3-b][1]benzothiophen-7(8h)-one
![1,5-Dihydro-4h-pyrrolo[3,2-d]pyrimidin-4-one](https://thsciimg.chemcd.cn/TS46817.gif)
