Chromium, 4-hydroxy-3-((2-hydroxy-3,5-dinitrophenyl)azo)-6(or 7)-((sulfomethyl)amino)-2-naphthalenesulfonate complexes, compds. withN,N-bis(Ph and tolyl and xylyl)guanidine
Chromium, 4-hydroxy-3-((2-hydroxy-3,5-dinitrophenyl)azo)-6(or 7)-((sulfomethyl)amino)-2-naphthalenesulfonate complexes, compds. withN,N-bis(Ph and tolyl and xylyl)guanidine