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US09562050B2 Crystalline forms of pemetrexed diacid and processes for the preparation thereof 有权
培美曲塞二酸的结晶形式及其制备方法

Crystalline forms of pemetrexed diacid and processes for the preparation thereof
Abstract:
Provided are crystalline forms of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]ben-zoyl]-L-glutamic acid, pemetrexed diacid, and processes for the preparation thereof.
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