Free release

42974-18-5 2h-1-benzopyran-2-one, 3,4-dibromo-3,4-dihydro-

service@apichina.com
Product Name 2H-1-Benzopyran-2-one, 3,4-dibromo-3,4-dihydro-
CAS No. 42974-18-5
Molecular Formula C9H6Br2O2