1 HJD N-[2-(1h-imidazol-5-yl)ethyl]-beta-alaninamide 1.000 2 AHN N-[2-(1h-imidazol-4-yl)ethyl]acetamide 0.846 3 8V0 (2~{S})-2-(3-azanylpropanoylamino)-3-(1~{H}-imidazol-4-yl)propanoic acid 0.812 4 8V3 (2~{S})-2-(3-azanylpropanoylamino)-3-(3-methylimidazol-4-yl)propanoic acid 0.765 5 9DK 3-[2-(1~{H}-imidazol-4-yl)ethylamino]-2,2-dimethyl-3-oxidanylidene-propanoic acid 0.706