Free release

55470-52-5 pyridinium, 4-[7-(diethylamino)-2-oxo-2h-1-benzopyran-3-yl]-1-methyl-

service@apichina.com
Product Name Pyridinium, 4-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1-methyl-
CAS No. 55470-52-5
Molecular Formula C19H21N2O2