1 9PA 5-[(2s)-2-{[(5-aminopentanoyl)amino]methyl}-4-methylpentyl]-1,3-benzodioxole-4-carboxylic acid 1.000 2 K1T 5-[(2s)-2-{[(4-aminobutanoyl)amino]methyl}-4-methylpentyl]-1,3-benzodioxole-4-carboxylic acid 0.893 3 H39 5-[(2s)-4-methyl-2-{[(1h-pyrrol-3-ylacetyl)amino]methyl}pentyl]-1,3-benzodioxole-4-carboxylic acid 0.719 4 Q31 5-[(2s)-2-[[2-(1h-imidazol-4-yl)ethanoylamino]methyl]-4-methyl-pentyl]-1,3-benzodioxole-4-carboxylic acid 0.719