6,6'-Oxybis(2-naphthalenesulfonic acid) in FD and C Yellow No. 6.
D001391:Azo Compounds / Q000032:analysis*; D004340:Drug Contamination; D004987:Ethers / Q000032:analysis; D005503:Food Additives / Q000032:analysis; D009281:Naphthalenes / Q000032:analysis; D013451:Sulfonic Acids / Q000032:analysis*; D014105:Tosyl Compounds / Q000032:analysis
D001391:Azo Compounds; D004987:Ethers; D005503:Food Additives; D009281:Naphthalenes; D013451:Sulfonic Acids; D014105:Tosyl Compounds