79135-21-0 EINECS 279-072-2 Iron(1+), bis(1-(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-3-pyridinyl)pyridiniumato(2-))-, salt with 2-hydroxypropanoic acid (1:1), bis(2-hydroxypropanoate) (salt) Iron(1+), 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(2-))-, salt with 2-hydroxypropanoic acid (1:1), bis(2-hydroxypropanoate) (salt)