N-Methyl pemetrexed is an impurity of Pemetrexed. Pemetrexed is an antifolate cytotoxic agent that can be used for the research of cancer[1].
[1]. Warner A, et, al. Development of a purity control strategy for pemetrexed disodium and validation of associated analytical methodology. J Pharm Biomed Anal. 2015 Feb;105:46-54.
















