英文名称:Sulfuric acid copper(2+) salt (1:1), reaction products with 4-[(2,4-dinitrophenyl)amino]phenol, sodium hydroxide and sodium sulfide (Na2(Sx)); Sulfuric acid copper(2+) salt (1:1), reaction products with 4-((2,4-dinitrophenyl)amino)phenol, sodium hydroxide and sodium sulfide (Na2(Sx))