MTX51: Methotrexate α-tert-Butyl Ester

(S)-5-tert-Butoxy-4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-oxopentanoic acid ; 

CAS # 79640-70-3 ;

C24H30N8O5 ;
Mol. Wt.: 510.55 ;