API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Pemetrexed |
Pemetrexed Disodium |
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-D-glutamiaciddisodium |  |
Pemetrexed |
Impurity A |
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoicacid |  |
Pemetrexed |
Pemetrexed Impurity |
N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl]-L-glutamic acid dimetyl ester 4-toluene sulphonic acid salt |  |