Einecs 279-208-0

2-[4-hydroxy-1-methyl-2-oxo-3(1H)-quinolylazo-(p-phenylene)sulphonyl]ethyl acetate

3-[[4-[[2-(Acetyloxy)ethyl]sulfonyl]phenyl]azo]-4-hydroxy-1-methyl-2(1H)-quinolinone