Cefathiamidine Impurity 10

(6R,7R) -7- (2- (((E) -1- (isopropylimino) -3-methylbutyl) thio) acetamido) -3- (((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl) thio) methyl) -8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

(6R,7R) -7- (2- (((E) -1- (isopropylimino) -3-methylbutyl) thio) acetamido) -3- (((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl) thio) methyl) -8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid