130327-67-2 5-Deazaisofolic acid L-Glutamic acid, N-(4-(((2-amino-1,4-dihydro-4-oxopyrido(2,3-d)pyrimidin-6-yl)amino)methyl)benzoyl)- N-(4-(((2-Amino-1,4-dihydro-4-oxopyrido(2,3-d)pyrimidin-6-yl)amino)methyl)benzoyl)-L-glutamic acid