Chemical Name : Sulfur trioxide
CAS : 7446-11-9
Synonyms: Sulfan(r);Sulfur trioxide;Sulfuric anhydride
73081-88-6
196861-33-3
108310-90-3
30046-31-2
Tetra
![1-[4-(trifluoromethyl)phenyl]-2-pyrrolidinone](https://thsciimg.chemcd.cn/TS24692.gif)