Free release

128790-02-3 2h-1-benzothiopyran-3-carboxylic acid, 3,4-dihydro-2-methyl-4-oxo-,methyl ester

service@apichina.com
Product Name 2H-1-Benzothiopyran-3-carboxylic acid, 3,4-dihydro-2-methyl-4-oxo-,methyl ester
CAS No. 128790-02-3
Molecular Formula C12H12O3S