4-[4-[[4-[bis(2-cyanoethyl)amino]phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid;4-[[4-[[4-[Bis(2-cyanoethyl)amino]phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-1-yl]benzenesulfonic acid
Please post your buying leads,so that our qualified suppliers will soon contact you!
Country - Code Area - Code Number