Cấm lưu hành
Disodium;3-[[4-[1-[4-[[7-(benzenesulfonyloxy)-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-4,6-dihydroxynaphthalene-2-sulfonate, Disodium 4,6-dihydroxy-3-[[4-[1-[4-[[1-hydroxy-7-[(phenylsulfonyl)oxy]-3-sulfo-2-naphtyl]azo]phenyl]cyclohexyl]phenyl]azo]-2-naphthalenesulfonate, Acid Red 163