Methotrexate EP Impurity C ;
Methotrexate USP RC C ;
Methopteridine ;
Methotrextae 4-Oxo Analog ;
 N-Methylfolic acid ;
(2S)-2-[[4-[[(2-amino-4-hydroxy pteridin-6-yl) methyl] methyl amino] benzoyl] amino] pentanedioic acid ;
CAS # 2410-93-7 ;
C20H21N7O6 ;
MW: 455.42 ;