105424-59-7 BMY 28700 Butanoic acid, L-asparaginyl-N3-(1-carboxy-2-(1H-imidazol-4-yl)ethyl)-L-threo-2,3-diamino-, (S)- Butanoic acid, L-asparaginyl-Nbeta-(1-carboxy-2-(1H-imidazol-4-yl)ethyl)-L-threo-alpha,beta-diamino-, (S)- FR 900490 FR-900490 L-Histidine, N-((1R,2S)-2-carboxy-2-(((2S)-2,4-diamino-1,4-dioxobutyl)amino)-1-methylethyl)-