New products:
Chinese name: 5-fluorothiophen-2, 3-dimethylene
English  name: 5-Fluoro-thiophene-2,3-dicarbaldehyde
CAS号：1015071-22-3

Formula:

Purity: 98%
The product has been developed and finished and the product has a light yellow crystal.
New and old users need to be consulted.