英文别名BUTANOIC ACID, 2-[(2-CHLORO-5-NITRO-4-PYRIMIDINYL)CYCLOPENTYLAMINO]-, METHYL ESTER, (2R)-; Methyl (R)-2-((2-chloro-5-nitropyrimidin-4-yl)(cyclopentyl)amino)butanoate; methyl (2R)-2-[(2-chloro-5-nitro-pyrimidin-4-yl)-cyclopentyl-amino]butanoate; methyl (2R)-2-[(2-chloro-5-nitropyrimidin-4-yl)-cyclopentylamino]butanoate 
