HC 红 NO. 9; HC RED NO. 9; 1-[6-[[3-Chloro-4-(methylamino)phenyl]imino]-4-methyl-3-oxo-1,4-cyclohexadien-1-yl]urea; Einecs 260-116-4; N-((3'-Chloro-4'methylamino)-phenyl)-2-methyl-5-ureido-1,4-benzoquinone-imine; Urea, (6-((3-chloro-4-(methylamino)phenyl)imino)-4-methyl-3-oxo-1,4-cyclohexadien-1-yl)-