2,2'-((3-Chloro-4-((2-(methylsulphonyl)-4-nitrophenyl)azo)phenyl)imino)diethyl diacetate 26692-47-7 C.I. Disperse Red 193 EINECS 247-905-9 Ethanol, 2,2'-((3-chloro-4-((2-(methylsulfonyl)-4-nitrophenyl)azo)phenyl)imino)di-, diacetate (ester)