p. 488 - 491
(2011/05/14)(2009/05/28)
p. 2155 - 2160
(2007/10/03)(4S,5R)-1,3-bisbenzyl-2-oxo-5-(methoxycarbonyl)imidazolidin-4-carboxylic acid
(4S,5R)-1,3-dibenzyl-1H-furo[3,4-d]imidazole-2,4,6-trione
C19H20N2O4
sodium cyanide
cis-1,3-dibenzyl-2-oxoimidazolidine-4,5-dicarboxylic acid