Skip to main content
. 2015 May 29;20(6):10004–10031. doi: 10.3390/molecules200610004

Table 1.

Main impurities of pemetrexed.

Name Structure
N-Methyl impurity 6 graphic file with name molecules-20-10004-i001.jpg
N,N-Dimethylformamidine impurity 7 graphic file with name molecules-20-10004-i002.jpg
Enantiomeric impurity (R)-1 graphic file with name molecules-20-10004-i003.jpg
γ-Dipeptide impurity 8 graphic file with name molecules-20-10004-i004.jpg
α-Dipeptide impurity 9 graphic file with name molecules-20-10004-i005.jpg
Dimer impurity 10 (diasteroisomeric mixture) graphic file with name molecules-20-10004-i006.jpg