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Chemical Name:4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid methyl ester; 
Cas No.:155405-80-4 
Standard:≥98.0% 
Usage:Pemetrexed disodium intermediate 3 
Molecular Structure: