ชื่อทางเคมี : Hydrogen bis[3-[4,5-dihydro-4-[(2-hydroxy-5-methyl-3-nitrophenyl)azo]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzene-1-sulphonamidato(2-)]chromate(1-) , compound with 2-ethyl-1-hexylamine (1:1)