Free release

74074-06-9 4h-1-benzothiopyran-4-one,2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-

service@apichina.com
Product Name 4H-1-Benzothiopyran-4-one,2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-
CAS No. 74074-06-9
Molecular Formula C16H12O2S