97392-82-0 Chromate(3-), bis(3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-2-hydroxy-5-nitrobenzenesulfonato(3-))-, trihydrogen,compd. with N,N'-di(phenyl, o-tolyl and xylyl)guanidine (3:1) EINECS 306-718-3