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(2007/10/03)2-[4-(R,S)-(4-tert-butoxycarbonylaminomethyl-phenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetic acid
di-tert-butyl dicarbonate
4-cyanophenyl methyl ketone
4-(R,S)-(4-cyanophenyl)-4-methyl-2,5-dioxoimidazolidine
[(R,S)-4-(4-cyanophenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetic acid methyl ester