Chromium, [2-hydroxy-5-nitro-3-[[2-oxo-1-[(phenylamino)carbonyl] propyl]azo]-benzenesulfonato(3-1)] Spirit Fast Yellow GR Yellow G for Aluminium. [3-[[1-[anilinocarbonyl]-2-oxopropyl]azo]-2-hydroxy-5-nitrobenzene-1-sulphonato(3-)]chromium Fast Yellow GR Chromium, 2-(hydroxy-.kappa.O)-5-nitro-3-2-(oxo-.kappa.O)-1-(phenylamino)carbonylpropylazo-.kappa.N1benzenesulfonato(3-)- Solvent Yellow 19 Pigment Yellow 2