Einecs 288-536-3

2-((3-(2,4-Dihydro-4-((4-methoxy-2-nitrophenyl)azo)-5-methyl-3-oxo-3H-pyrazol-2-yl)-4-methoxyphenyl)sulphonyl)ethyl acetate

2-[5-[[2-(Acetyloxy)ethyl]sulfonyl]-2-methoxyphenyl]-2,4-dihydro-4-[(4-methoxy-2-nitrophenyl)azo]-5-methyl-3H-pyrazol-3-one

2-[[3-[2,4-dihydro-4-[(4-methoxy-2-nitrophenyl)azo]-5-methyl-3-oxo-3H-pyrazol-2-yl]-4-methoxyphenyl]sulphonyl]ethyl acetate