isovaleraldehyde 2,4-dinitrophenylhydrazone

Hangzhou Trylead Chemical Technology Co.,Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates. The major businesses of our company are:1. Supply high purity organic reagent.2. Supply intermediates for pharmaceuticals, agrochemicals, dyestuff 3. Custom manufacturing and co-developing new chemicals under signing secret agreements The company mainly supplies organic intermediate product of outstanding quality... View more >>