p. 2593 - 2596
(2001)(2016/11/17)
p. 558 - 561
(2015/03/05)3-[2-(3-methyl-1S-{2-[4-(3-o-tolylureido)phenyl]acetylamino}butyl)thiazol-5-yl]propionic acid
3-[2-((S)-1-Benzyloxycarbonylamino-3-methyl-butyl)-oxazol-5-yl]-propionic acid methyl ester
3-[2-((S)-1-Benzyloxycarbonylamino-3-methyl-butyl)-thiazol-5-yl]-propionic acid methyl ester