Base Information
- Chemical Name:Cyclopenta[b][1]benzopyran-7-carboxylic acid, 1,2,3,9-tetrahydro-9-oxo-3-(2-thienylmethylene)-, methyl ester
- CAS No.:94774-44-4
- Molecular Formula:C19H14O4S
- Molecular Weight:
- Hs Code.:
Synonyms:

