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Chemical Name:(N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid 1,5-diethyl ester 4-methylbenzenesulfonate ) 
Cas No.:165049-28-5 
Standard:≥98.0% 
Usage:Pemetrexed disodium intermediate 5 
Molecular Structure: