with Diazo chlor-arsine
benzene by Sulphur
dioxide in
HCl solution
Reduction of Lud- Conversion of W)chst
Ethyl arsinic wigs- Ethyl arseni acid to Ethyl hafen ous Oxide to
arsenious oxide Ethyl dichlor by sulphur arsine by
dioxide HCl and iodine Conversion of H8chst
paraformalde hyde to sym
dichlor methyl