英文别名2-Malononitrilyl-1-(2-fluorophenyl)ethanone; Propanedinitrile,2-[2-(2-fluorophenyl)-2-oxoethyl]-; 2-(2-(2-fluorophenyl)-2-oxoethyl)propanedinitrile; [2-(2-fluorophenyl)-2-oxoethyl]propanedinitrile; Vonoprazan Impurity; TAK-438(Vonoprazan fumarate) intermediate 1; Vonoprazan Fumarate impurity 1; Vonoprazan Impurity 32; TAK438 Impurity 31 
