Ethanol,2,2'-[[3-chloro-4-[[2-(methylsulfonyl)-4-nitrophenyl]azo]phenyl]imino]bis-,diacetate (ester) (9CI); Ethanol,2,2'-[[3-chloro-4-[[2-(methylsulfonyl)-4-nitrophenyl]azo]phenyl]imino]di-,diacetate (ester) (8CI)
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