Free release

139449-25-5 4h-1-benzopyran-4-one,3-ethyl-2,3-dihydro-6-methyl-3-(phenylsulfonyl)-

service@apichina.com
Product Name 4H-1-Benzopyran-4-one,3-ethyl-2,3-dihydro-6-methyl-3-(phenylsulfonyl)-
CAS No. 139449-25-5
Molecular Formula C18H18O4S