3,3''-二甲氧基联苯胺,97%
3,3'-二甲氧基联苯胺,分析对照品, 99%
3,3'-二甲氧基联苯胺,for spectrophotometric det. of Au, NO2-, Ce(IV), for the detection of Au, Co, Cu, SCN-, V, ≥97%