Free release

74074-09-2 4h-1-benzothiopyran-4-one, 2,3-dihydro-3-(phenylmethylene)-

service@apichina.com
Product Name 4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-(phenylmethylene)-
CAS No. 74074-09-2
Molecular Formula C16H12OS