N-methylamino-2-nitro-4-N',N'-bis(2-hydroxyethyl)aminobenzene; HCBLUENO1; HCBLUE1; 1-Methylamino-2-nitro-4-(bis-2-hydroxyethyl)aminobenzene; 2,2'-((4-(methylamino)-3-nitrophenyl)imino)bis-ethano; 2,2'-((4-(methylamino)-3-nitrophenyl)imino)di-ethano; 2,2'-((4-(methylamino)-3-nitrophenyl)imino)diethanol; 2-[N-(2-hydroxyethyl)-4-(methylamino)-3-nitroanilino]ethanol; HC Blue 1; 4-bis(2'-hydroxy-ethyl)amino-1-methyl-amino-2-nitro-benzene; 2-methylamino-5-bis(2'-hydroxyethyl)aminonitrobenzene; HC Blue Number 1; 2,2'-{[4-(methylamino)-3-nitrophenyl]imino}bisethanol; HC BLUE NO 1