1 I41 2-[[2-[[(2s)-3-(3h-imidazol-4-yl)-1-methoxy-1-oxo-propan-2-yl]amino]-2-oxo-ethyl]-(phenylmethyl)amino]ethanoic acid 1.000 2 33K N-benzyl-N-(carboxymethyl)glycyl-L-histidine 0.893