Pigment Red 243

bis[4-chloro-3-methyl-6-[[3-[[(2-methoxyphenyl)amino]carbonyl]-2-hydroxy-1-naphtyl]azo]benzenesulfonic acid]barium salt ; barium bis[6-chloro-4-[[2-hydroxy-3-[(2-methoxyphenyl)carbamoyl]-1-naphthyl]azo]toluene-3-sulphonate] ; benzenesulfonic acid, 4-chloro-2-[[2-hydroxy-3-[[(2-methoxyphenyl)amino]carbonyl]-1-naphthalenyl]azo]-5-methyl-, barium salt (2:1) ; pigment red 243