(2008/06/13)
N-(2-[N',N'-diethylamino]-5-nitropyrimidin-4-yl)-4'-(pyrrolidin-1-ylcarbonyloxy)-L-phenylalanine tert-butyl ester
N-(2-[N',N'-diethylamino]-5-aminopyrimidin-4-yl)-4'-(pyrrolidin-1-ylcarbonyloxy)-L-phenylalanine tert-butyl ester
methanesulfonyl chloride