Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, hydrogen bis[3-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy -5-nitrobenzenesulfonato(3-)]chromate(3-) (1:2:1), compd. with 3-[(2-butylhexyl)oxy]-1-propanamine (1:1)