Butanamide, N,N-1,4-phenylenebis2-(2-methoxy-4-nitrophenyl)azo-3-oxo-;N,N'-1,4-phenylenebis[2-[(2-methoxy-4-nitrophenyl) azo]-3-oxo-Butanamide
Please post your buying leads,so that our qualified suppliers will soon contact you!
Country - Code Area - Code Number