2'-Ethyl-2-(N-methylsulfinylethylamino)propionanilide oxalate 50765-61-2 Propanamide, N-(2-ethylphenyl)-2-(methyl(2-(methylsulfinyl)ethyl)amino)-, ethanedioate (1:1) Propionanilide, 2'-ethyl-2-(N-methylsulfinylethylamino)-, oxalate (1:1)