Folic acid Impurity 12

Chemical Name: (4-(((2-amino-5-((4S)-4-(4-(((2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)-4-carboxybutanoyl)-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid

Synonym: erythromycin D ; 3''-​O-​demethyl-​12-​deoxy Erythromycin