英文名称:Bis[5'-[[3-[4-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]phenyl]azo]-1'-[3-(dimethylamino)propyl]-1',2'-dihydro-6'-hydroxy-4'-methyl-2'-oxo-1,3'-bipyridiniumato]iron salt with 2-hydroxypropanoic acid (1:1) bis(2-hydroxypropanoate) (salt);