acid red 293-(phenylazo)chromotropic acid, disodium saltAcid Chromotrope 2RAcilan chromotrope RRBrasilan Fast fuchsine GC.I. 16570C.I. Acid Red 29C.I. Acid Red 29, disodium saltChromotrope Red 2RCromatrope 2RFast fuchsin GFast fuchsine GHispacid fuchsin GNSC 7829carmoisine 6Rchromotrope 2R